Founding and early expansion (1971–1990s)

Worley was founded in 1971 by John Grill as Wholohan Grill and Partners, a small engineering consultancy based in Australia specializing in oil and gas projects.[2] Initially operating under the name Smith De Kantzow Wholohan Grill, the firm focused on providing engineering, procurement, and construction management services for early hydrocarbon developments.[6] During the 1970s and 1980s, the company experienced steady growth within Australia, expanding its workforce and expertise in hydrocarbons and infrastructure sectors through contracts for onshore and offshore oil and gas facilities.[19] Key milestones included initial engineering contracts for Australian energy projects, which established the firm's reputation in the resources industry and laid the groundwork for broader technical capabilities.[20]

In 1987, Wholohan Grill and Partners acquired the Australian operations of Worley Engineering Pty Ltd, an American firm founded by Steve Worley, which prompted a rebranding to Worley and marked the beginning of international expansion.[21] This acquisition provided access to established engineering methodologies and facilitated entry into Southeast Asia through joint ventures and project partnerships.[22] By 1988, Worley had established operations in Brunei for energy projects, followed by engagements in Malaysia, Thailand, and Singapore, where it secured contracts in upstream oil and gas development.[23] These initiatives diversified the company's regional footprint beyond Australia while leveraging its core competencies in hydrocarbons.[20]

The 1990s represented a period of accelerated diversification and growth for Worley, as it ventured into additional sectors including power generation, infrastructure, environment, minerals, and metals.[20] This strategic shift broadened the firm's service offerings from hydrocarbon-focused engineering to comprehensive project delivery across energy and resources industries.[6] By the early 2000s, Worley had expanded to approximately 30 offices worldwide and employed around 3,000 personnel, reflecting robust year-on-year growth that positioned it among Australia's top expanding companies.

Acquisitions and growth (2000s)

In 2002, Worley Group Limited completed its initial public offering on the Australian Securities Exchange under the ticker ASX: WOR, which provided capital to support expansion into new markets and capabilities.[24][5]

The company pursued aggressive acquisition strategies throughout the decade to build expertise in specialized sectors. In 2004, Worley acquired Parsons E&C Corporation, the engineering and construction arm of the U.S.-based Parsons Corporation, for US$245 million, enhancing its downstream oil and gas services.[25] That same year, it purchased Astron, an Australian environmental consulting firm, to strengthen minerals and environmental capabilities.[26] In 2005, Worley acquired Komex Environmental International, a leading Canadian firm in environmental and water resources consulting, expanding its North American presence in sustainability-focused services.[27] Also in 2005, it bought DRPL, a UK-based power sector engineering company, and TMG International Holdings, an infrastructure specialist with operations in the UK and Asia, to bolster energy and project delivery expertise.[28]

Building on this momentum, Worley acquired HG Engineering AS in late 2005, a Norwegian firm specializing in offshore oil and gas engineering, which added subsea and floating production capabilities.[29] In 2006, the company formed a joint venture with ARA, a Santiago-based engineering firm, to enter the South American market, targeting projects in Venezuela, Peru, and Chile.[26]

Subsequent acquisitions further diversified Worley's portfolio. In 2007, it purchased SEA Engineering Inc., a U.S.-based firm focused on offshore facilities, to deepen expertise in marine and subsea engineering.[26] The 2008 acquisition of INTEC Engineering from the Heerema Group for US$108.5 million brought advanced subsea engineering and deepwater project delivery skills.[30] That year, Worley also acquired Westmar Consultants Inc., a Canadian specialist in marine, port, and mining infrastructure, for A$48.68 million.[31] In 2009, it obtained the UK assets of Day & Zimmermann to establish a base for operations support services in Europe.[26] Later that year, Worley acquired CNEC Engenharia, a Brazilian engineering firm with strengths in energy and infrastructure, enhancing its Latin American footprint.[26]

These moves, following the 2004 rebranding to WorleyParsons after the Parsons E&C integration, rapidly expanded the company's global operations, growing its workforce to over 20,000 employees by the late 2000s and diversifying into offshore, environmental, and international infrastructure services.[32][2]

Mergers, rebranding, and recent developments (2010s–present)

In the early 2010s, WorleyParsons pursued targeted acquisitions to expand its advisory and engineering capabilities in key markets. In 2010, the company acquired Evans & Peck Group Limited, an Australian business advisory firm operating in Australia and China, for A$89.3 million, enhancing its expertise in transport, infrastructure, and resources consulting.[22] This was followed in 2011 by the acquisition of Kwezi-V3 Engineers (Pty) Limited, a South African engineering firm specializing in civil, structural, and mechanical services, for approximately A$49.8 million, strengthening its presence in Africa's mining and infrastructure sectors.[33] By 2013, WorleyParsons had completed two significant deals: the R900 million (approximately A$100 million) purchase of TWP Holdings (Pty) Limited, a South African engineering, procurement, and construction management (EPCM) firm focused on mining, which added specialized underground mine planning capabilities; and the NOK 1 billion (about US$190 million) acquisition of Bergen Group Rosenberg AS, a Norwegian offshore engineering and fabrication company, bolstering its oil and gas project delivery in the North Sea region.[34][35] In 2014, the firm acquired MTG Ltd., a US-based management consulting company specializing in hydrocarbons operational performance, for an undisclosed amount, further integrating advisory services into its portfolio.[36]

The most transformative deal came in 2018–2019, when WorleyParsons agreed to acquire Jacobs Engineering Group's Energy, Chemicals, and Resources (ECR) business for US$3.2 billion (A$4.55 billion), a transaction completed on April 26, 2019.[37] This acquisition significantly scaled the company, increasing its workforce to approximately 57,600 employees and expanding operations to 51 countries, while creating a leading global provider of professional project and asset services in energy, chemicals, and resources.[38]

In conjunction with the Jacobs ECR integration, WorleyParsons underwent a major rebranding in 2019, shortening its name to Worley to reflect a unified focus on delivering integrated end-to-end solutions for clients navigating complex energy and resources challenges.[39] The rebrand emphasized streamlined branding and a shift toward holistic project delivery, with the corporate name officially changing to Worley Limited following shareholder approval at the annual general meeting.[40]

Leadership transitioned in early 2020 amid these changes, with Chris Ashton appointed as Chief Executive Officer and Managing Director effective February 24, succeeding Andrew Davies.[41] Ashton, who joined the company in 1998 and served as Chief Operating Officer during the Jacobs integration, has guided Worley through strategic adaptations in the energy sector.

In 2023, Worley conducted a brand refresh to further consolidate its subsidiaries and underscore its sustainability focus, rebranding its advisory arm Advisian as Worley Consulting to integrate consulting services more seamlessly under the parent brand.[42] This included aligning other specialized units, such as Intecsea for subsea engineering, more closely with Worley's core operations to enhance integrated offerings in energy transition projects.

Services and solutions

Worley provides a comprehensive suite of engineering, procurement, and project management services that span the entire asset lifecycle, from initial concept and front-end engineering design (FEED) through to engineering, procurement, construction management (EPCM), commissioning, operations and maintenance (O&M), and decommissioning.[45] These services enable clients to develop, operate, and retire complex assets in energy, chemicals, and resources sectors, with an emphasis on integrated data-centric approaches to solve multifaceted challenges.[45]

Among its specialized solutions, Worley incorporates digital technologies to enhance asset performance, including predictive maintenance through advanced simulations that minimize downtime and extend asset life while adhering to safety and sustainability standards.[46] Asset optimization leverages robotics, digital twins, and AI to improve production efficiency and reduce operational risks, while real-time data analytics supports faster, data-driven decision-making across workflows.[46]

Project delivery models at Worley emphasize integrated teams that combine client and Worley personnel, utilizing cloud-based tools and global expertise to ensure seamless execution with a strong focus on safety, quality, and sustainability—such as reducing emissions, optimizing energy use, and minimizing waste.[47] For instance, these models have facilitated rapid project timelines, including the delivery of Africa's largest wind farm with 365 turbines completed in 362 days.[47]

Key offerings include Worley Consulting, which delivers strategic advisory services across the asset lifecycle, incorporating the integrated capabilities of the former Advisian for areas like decarbonization and climate risk management.[48][49] Subsea engineering is provided through Intecsea, specializing in umbilicals, risers, flowlines (SURF), and offshore systems from startup to decommissioning, including innovations like Pseudo Dry Gas Technology for extended subsea operations.[50]

These services are applied in various project types, such as brownfield upgrades to enhance existing infrastructure, greenfield developments for new facilities, and decommissioning efforts to safely retire assets in energy sectors.[45]

Markets and sectors

Worley primarily operates in the energy, chemicals, and resources sectors, providing engineering and professional services to support complex projects in these industries. The company's expertise spans conventional and emerging areas, with a significant emphasis on facilitating the global energy transition. In fiscal year 2025, these sectors accounted for approximately 49% of revenue from energy, 25% from chemicals, and 26% from resources, underscoring their balanced portfolio. In FY2025, sustainability-related work accounted for 60% of aggregated revenue.[4]

In the energy sector, Worley delivers solutions for hydrocarbons, including upstream exploration, midstream transportation, and downstream processing, as well as power generation and transmission. This encompasses conventional oil and gas operations alongside renewables such as solar, wind, and nuclear technologies like small modular reactors. The company also supports integrated power networks to enhance reliability and efficiency in energy supply.[51][4]

The chemicals sector focuses on fuels, polymers, and petrochemicals, where Worley applies its capabilities in process design, optimization, and facility development. As a leader in downstream refining and petrochemical engineering, the company helps clients produce essential materials like ethylene and propylene derivatives while addressing production scalability and safety.[51][4]

Within resources, Worley specializes in mining, minerals, and metals extraction and processing, including critical materials such as copper and battery minerals. The firm holds a strong market position in mining engineering, offering services from feasibility studies to operational enhancements that improve yield and reduce environmental impact during resource development.[51][4]

Worley's energy transition efforts integrate across sectors, providing expertise in hydrogen production and infrastructure, carbon capture utilization and storage (with involvement in over 40 projects expected to capture or transport over 110 million tonnes of CO2 per annum), renewables integration, and low-carbon fuels like biofuels and synthetic gases.[52] These services enable clients to decarbonize operations and meet regulatory demands for reduced emissions. In infrastructure and environment, the company supports water treatment and distribution systems, transport networks, and environmental compliance projects to ensure sustainable development in industrial settings.[4]

The client base includes major oil and gas firms such as Aramco and BP, leading mining companies, chemical producers, and government entities, with the top 20 clients representing 58% of revenue and 80% having net-zero commitments. Worley positions itself as a strategic partner in these markets, leveraging its global scale and technical depth to lead in downstream refining, petrochemicals, and mining engineering, while delivering tailored services that align with broader project execution needs.[4]

International presence

Worley maintains a global footprint with operations in 44 countries across six continents, providing engineering, procurement, construction management, and consulting services tailored to local markets while drawing on worldwide expertise.[53] The company's presence spans the Asia-Pacific, Americas, Europe, Middle East, Africa, and Australia, supporting projects in energy, chemicals, and resources sectors through a network of offices that facilitates 24/7 operational continuity.[54] Key hubs include its global headquarters in Sydney, Australia, along with major facilities in Houston, Texas (a center for energy and modularization), London, United Kingdom (focusing on European and international projects), and Calgary, Alberta (emphasizing resources and low-carbon energy).[55][56][57][58]

Regionally, Worley's operations leverage specific strengths to address industry demands. In Australia, as the company's founding location, it concentrates on resources and mining with approximately 4,000 employees supporting full project lifecycles.[55] North America, encompassing the United States and Canada, highlights energy transition initiatives, including hydrogen and carbon capture, with 22 offices in the US and multiple sites in Canada such as Edmonton and Burnaby.[56][57] In the Middle East, operations center on oil and gas through project management and EPCM services, exemplified by facilities in Al Khobar, Saudi Arabia.[59] Africa features a mining focus, particularly in South Africa, where Johannesburg-based teams deliver engineering and procurement for resource projects.[60][61]

The extensive office network, spanning dozens of locations worldwide, enables seamless collaboration and rapid response to client needs across geographies.[54] Worley's workforce of over 45,000 professionals is distributed internationally, fostering diverse teams that integrate local knowledge of regulations, cultures, and logistics with global standards to ensure compliant and effective project execution.[53][26] This structure originated from an Australia-centric base over 50 years ago and has evolved into a truly global organization through strategic expansion, enhancing its ability to serve multinational clients.[6]

Senior executives

Chris Ashton has served as Chief Executive Officer and Managing Director of Worley since 24 February 2020. He joined the company in 1998 and previously held roles including Chief Operating Officer, with extensive experience in operations, major projects, and leadership across global regions. Ashton holds a Bachelor of Engineering (Honours) in electrical engineering and an MBA, bringing engineering and strategic expertise to guide Worley's focus on energy transition and project delivery.[62]

Justine Travers was appointed Chief Financial Officer on 1 July 2025, overseeing finance, treasury, tax, property, and investor relations. Prior to this, she served as Worley's Deputy CFO and held senior finance positions at Shell and Newcrest Mining. Travers possesses degrees in economics, finance, and international business, contributing to the company's financial strategy amid global market shifts.[62]

Other key executives include regional and functional leaders driving operational strategy. Mark Brantley, Group President for Global Operations since 1 July 2025, manages field services and regional delivery, having previously led the EMEA and APAC regions with an emphasis on leadership development and diversity. Mark Trueman, Group President for Major Projects and Programs since 1 July 2025, focuses on large-scale project execution and growth initiatives, drawing from his tenure leading the Americas region since joining Worley in 1994. Vikki Pink, Chief People Officer since February 2020, leads talent management, diversity, and inclusion efforts, with prior experience in human capital transformation. Laura Leonard, appointed Chief AI and Enterprise Services Officer effective 1 November 2025, oversees digital transformation, risk, sustainability, and corporate affairs, building on her 20+ years in energy technology and prior role as Group President of Technology Solutions. Additional C-suite roles include Andy Hemingway as Executive Group Director for Growth since August 2022, specializing in energy transition strategy and sales; Sabrina Gilman as Chief Legal Officer since 1 July 2025, managing global legal and governance; and Nuala O'Leary as Group Company Secretary since August 2016, handling corporate governance.[62]

The executive team comprises a diverse group of professionals from regions including Australia, the USA, and the UK, with balanced gender representation and collective expertise spanning over 20–40 years in energy, resources, engineering, digital innovation, and project delivery. Recent changes in 2025, including multiple July appointments and the October restructuring to streamline the Group Executive from 12 to 9 members effective 1 November, aim to accelerate AI integration and operational efficiency while emphasizing sustainability and growth.[12]

Board of directors

The Board of Directors of Worley Limited provides strategic oversight and governance for the company, ensuring alignment with long-term objectives in the energy, chemicals, and resources sectors. As of November 2025, the Board comprises 12 members, including one executive director (the CEO) and 11 non-executive directors, of whom 10 are independent, maintaining a majority of independent oversight as required by corporate governance standards. This composition reflects a diverse mix of expertise in leadership, energy transition, finance, mining, and public policy, drawn from global professionals to support Worley's international operations.[62]

John Grill AO serves as the non-executive Chairman, a role he has held since 1 March 2013; as the company's founder in 1971, he brings over 40 years of experience in resources and energy sectors, previously as CEO of Worley predecessor firm Wholohan Grill and Partners. Andrew Liveris AO acts as Deputy Chair and Lead Independent Director since 5 September 2018, with a background as former CEO of Dow Chemical Company and current directorships at IBM and Saudi Aramco, contributing strategic insights into global chemicals and sustainability. Other notable independent non-executive directors include Roger Higgins, appointed 20 February 2019, a mining and operations specialist with prior senior roles at Teck Resources Limited; Emma Stein, appointed 10 December 2020, former director of energy firms like Woodside Energy Group; and recent appointees Alison Kitchen AM (1 July 2024), ex-National Chairman of KPMG Australia with finance and audit expertise, and Kim Gillis AM (1 July 2024), former Deputy Secretary of the Australian Department of Defence. Additional key members encompass Joseph Geagea (energy executive from Chevron, appointed 1 July 2023), Thomas Gorman (former CEO of Brambles Limited, appointed 18 December 2017), Martin Parkinson AC (ex-Secretary of the Australian Treasury, appointed 24 February 2020), Juan Suárez Coppel (former CEO of PEMEX, appointed 27 May 2019), and Jeanne Johns (former CEO of Incitec Pivot Limited, appointed 1 September 2025).[62]

The Board operates through four principal committees to enhance governance and risk management: the Audit and Risk Committee (chaired by Alison Kitchen, focusing on financial reporting, compliance, and enterprise risk); the People and Remuneration Committee (chaired by Emma Stein, overseeing executive compensation, talent strategy, and performance metrics); the Health, Safety and Sustainability Committee (chaired by Roger Higgins, addressing ESG risks, environmental impacts, and occupational health); and the Nominations Committee (chaired by John Grill, handling director succession, board diversity, and skills alignment). All committees except Nominations are chaired by independent directors, and they report directly to the full Board.[63]

Worley's governance practices adhere to the fourth edition of the ASX Corporate Governance Principles and Recommendations, emphasizing ethical conduct, board renewal, and long-term shareholder value creation. The Board conducts annual performance reviews, assesses director independence yearly, and maintains a skills matrix highlighting collective strengths in areas such as energy transition, digital innovation, and sustainability to guide strategic decision-making and ESG oversight. External assurance of ESG metrics follows ISAE 3000 standards, reinforcing accountability in sustainability reporting.[63]

Environmental sustainability

Worley has committed to achieving net zero Scope 1 and Scope 2 greenhouse gas emissions by 2030 and net zero Scope 3 emissions by 2050, aligning these targets with a 1.5°C warming scenario.[64] By the end of fiscal year 2025, the company had reduced its Scope 1 and 2 emissions by 73% from the 2020 baseline of 114,241 tCO₂e, surpassing its interim goal of a 65% reduction.[64] Additionally, Worley aspires to derive 75% of its revenue from sustainability-related work by the end of fiscal year 2026.[65]

The company advances key environmental initiatives through engineering and consulting services focused on energy transition technologies. In carbon capture and storage (CCS), Worley provides concept development, techno-economic evaluation, and engineering for projects up to 550 MWe capacity, including a large-scale CCS initiative in Canada to capture CO₂ from a refinery and chemicals plant, and a feasibility study for Ørsted's onshore CO₂ storage project in Denmark with a 20+ km pipeline.[52][66] For hydrogen development, Worley supports low-carbon hydrogen production and infrastructure, such as engineering services for Gasgrid's hydrogen pipeline in Finland to bolster the country's hydrogen economy, and modular systems for green hydrogen projects that integrate renewables, production, and storage.[67][68] In renewable energy engineering, the company invests in solar installations that generated 464 MWh in fiscal year 2025 and collaborates on renewable integration for industrial-scale green hydrogen facilities.[69][64]

Internally, Worley implements practices to minimize its environmental footprint, including an Environmental Management System certified to ISO 14001 at 34 sites as of June 2025.[65] The company sources 81% of its electricity from renewables in fiscal year 2025, deploys a hybrid vehicle fleet (such as 39 vehicles in Saudi Arabia), and offsets 10,305 tCO₂e from air travel using high-quality carbon credits.[64] Energy-efficient offices are prioritized, with initiatives like 100% renewable energy procurement in its Perth office and recognition of high-impact sites for creative efficiency measures.[70][71] Biodiversity protection is integrated into project planning through the SEAL framework, which optimizes sustainability by assessing environmental impacts and protecting natural capital at sites.[65][48] Digital tools further support these practices, with digital twins enabling emissions reductions in asset design and operations.[72]

Worley publishes annual sustainability reports detailing environmental metrics, such as Scope 1 emissions of 24,485 tCO₂e and Scope 2 (market-based) emissions of 6,524 tCO₂e in fiscal year 2025, alongside an 81% improvement in energy productivity from the 2020 baseline.[64] These reports, aligned with TCFD and ISSB standards, highlight reductions in project emissions achieved through digital optimization tools that enhance efficiency in engineering and decommissioning processes.[65][73]

Through partnerships, Worley collaborates with clients on low-carbon pathways, particularly in oil and gas decommissioning, using digital twins and renewable integration to decarbonize assets like those in the North Sea.[74][72] Notable alliances include those with NVIDIA, Dell, C3 AI, and Microsoft for AI-driven sustainability solutions, as well as industry players like ABB and IBM for renewable hydrogen adoption.[64][75]

Corporate social responsibility

Worley emphasizes diversity and inclusion as core elements of its corporate social responsibility, with specific targets aimed at achieving gender balance across leadership levels. The company set a goal of reaching 20% women in senior leadership roles by fiscal year 2025 (FY2025), which it nearly achieved at 19.7-20%, up from 17.7-18% in FY2024.[76] Similarly, Worley targeted 30% women on its Board by FY2025, attaining 25%, and maintained strong representation in the Group Executive at 42% women against a 40% goal.[4] For early-career talent, the firm aimed for at least 50% women in global graduate intakes by FY2025, achieving 54%.[76] In Australia, Worley's Innovate Reconciliation Action Plan (2024-2026) seeks to boost Indigenous employment by targeting 3% Aboriginal and Torres Strait Islander students in graduate and summer vacation intakes by September 2025, alongside increasing overall Indigenous staff representation through partnerships like the Polly Farmer Foundation and CareerTrackers.[77] These efforts are supported by cultural awareness training, with 25% of staff completing it by January 2025 and 50% by August 2025.[77]

Community engagement forms a key pillar of Worley's social initiatives, focusing on local hiring, skills development, and philanthropy in regions where it operates, particularly mining communities. The Worley Foundation, established to support sustainable development, funded 23 projects in FY2025, contributing $1.7 million in non-legislated investments and $1.6 million in legislated contributions.[4] These include STEM education programs for Indigenous students in Australia via the Indigenous Australian Engineering School and partnerships with the Polly Farmer Foundation, aiming to build long-term skills in underserved communities.[78] Additionally, initiatives like the First Nations Apprenticeship Program in Australia and the Indigenous Employment Action Plan in Canada promote local hiring and training to enhance economic opportunities in operational areas.[4]

Worley upholds rigorous ethical standards through policies on anti-corruption, human rights, and supply chain transparency. The company maintains a zero-tolerance policy for bribery and corruption, mandating annual Code of Conduct training completed by over 39,000 employees in FY2025, supported by an Ethics Helpline available in eight languages that handled 365 reports with zero confirmed modern slavery cases.[4] Its human rights framework aligns with the UN Guiding Principles, incorporating due diligence processes such as a salience assessment identifying risks like discrimination and deceptive recruitment.[78] For supply chain oversight, Worley manages 6,359 direct suppliers across 75 countries with $10.3 billion AUD in FY2025 spend, conducting 11,701 due diligence checks on 66% of suppliers and assessing high-risk Canadian suppliers for forced labor.[79] Transparency is enhanced via the Supplier Support Hub and a modern slavery e-learning module, with 130 completions in FY2025.[79]

Ecuador arbitration case

In 2019, Worley International Services Pty Ltd, an Australian subsidiary of Worley Ltd, initiated international arbitration against the Republic of Ecuador under the Australia-Ecuador Bilateral Investment Treaty, seeking approximately $700 million in unpaid amounts related to engineering, procurement, and construction management contracts for the renovation of the Esmeraldas oil refinery and other gas projects awarded by Petroecuador between 2013 and 2018.[81][82] The contracts, valued at over $1 billion in total, involved Worley acting as project manager, with Ecuador alleging that the firm faced harassment through repeated audits from 2012 to 2016 and subsequent non-payment of receivables estimated at around $71 million.[83][82]

On December 22, 2023, a Paris-seated arbitration tribunal, composed of Bernard Hanotiau, Brigitte Stern, and Gonzalo Vicente Rigo Sureda, issued a final award dismissing Worley's claims in their entirety on jurisdictional and admissibility grounds, ruling that the conduct amounted to corruption, including bid rigging through the exchange of confidential information with competitor Shaw Group, violations of Ecuador's Public Procurement Law Article 87 by subcontracting to Tecnazul without approval, and bribery offers such as funding trips to Miami and gifts for Petroecuador officials.[82][83] The panel cited Worley's "wilful blindness" to Tecnazul's payment of over $1 million in bribes to Petroecuador personnel, as revealed in Panama Papers investigations, and ordered Worley to cover the arbitration costs.[84][83] Ecuador publicized the confidential award in January 2024, prompting Worley to dispute its validity, arguing that Ecuador violated arbitration confidentiality rules by not notifying the firm beforehand.[83]

Worley denied all allegations of corruption, illegality, or bad faith, stating that it had conducted proper due diligence and terminated the Tecnazul subcontract in 2016 upon discovering the principals' corruption via an Ecuadorian court ruling, and emphasized that no breaches of anti-bribery laws occurred.[84][85] In February 2024, Worley wrote off the $71 million in receivables and paid approximately $6 million in arbitration costs to Ecuador, resolving the matter without pursuing further legal proceedings.[86][87] The company asserted that the tribunal's findings were not material to its ongoing operations or financial position.[84][83] The decision led to a temporary halt in trading of its shares on the Australian Securities Exchange (ASX) on January 9, 2024, followed by a 6% share price drop to A$16.06, its lowest since July 2023.[83][85]

The case underscores heightened scrutiny on corruption in international arbitration, particularly in resource-rich Latin American markets, where tribunals may deny jurisdiction or admissibility even absent explicit treaty anti-corruption clauses, potentially complicating future contract awards and enforcement for engineering firms operating in Ecuador and similar jurisdictions.[82][83]

Other legal matters

In 2021, Worley Group reached a conciliation agreement with the U.S. Department of Labor's Office of Federal Contract Compliance Programs to resolve allegations of pay discrimination at its Houston subsidiary, affecting 42 female, Black, and Hispanic employees.[88] The settlement required Worley to pay $500,000 in back wages and interest to the impacted workers and allocate an additional $500,000 annually for salary adjustments to address ongoing disparities.[88] Following the agreement, Worley implemented enhanced compliance measures, including regular audits and training on equal pay practices, to prevent future violations.[89]

In 2016, the Occupational Safety and Health Administration (OSHA) fined Worley Parsons (now part of Worley) $37,413 for workplace safety and health violations at U.S. sites, stemming from failures to maintain safe conditions and provide adequate protective equipment.[90] The citations highlighted lapses in hazard communication and respiratory protection standards, prompting Worley to conduct site-wide safety reviews and update its protocols to align with OSHA requirements.[90]

In 2024, Worley faced an ongoing appeal in the Australian Federal Court in the class action case Crowley v Worley Ltd, where shareholders alleged misleading or deceptive conduct and breaches of continuous disclosure obligations related to 2013 project delays and earnings guidance.[91] The appeal, filed in February 2024, challenges the primary judge's dismissal of claims that Worley failed to disclose material information about underperforming projects, leading to a share price drop; a hearing occurred in March 2025.[92] Following the hearing, in June 2025, the court permitted additional submissions based on a related class action ruling, and the appeal remains pending as of November 2025.[93] Worley has defended its disclosures as compliant, emphasizing internal risk assessments conducted at the time.[94]

Across these matters, Worley has consistently prioritized swift resolutions through settlements and fines, coupled with internal policy enhancements such as improved disclosure training and diversity initiatives, to mitigate recurrence and strengthen governance.[88][90]

Founding and early expansion (1971–1990s)

Worley was founded in 1971 by John Grill as Wholohan Grill and Partners, a small engineering consultancy based in Australia specializing in oil and gas projects.[2] Initially operating under the name Smith De Kantzow Wholohan Grill, the firm focused on providing engineering, procurement, and construction management services for early hydrocarbon developments.[6] During the 1970s and 1980s, the company experienced steady growth within Australia, expanding its workforce and expertise in hydrocarbons and infrastructure sectors through contracts for onshore and offshore oil and gas facilities.[19] Key milestones included initial engineering contracts for Australian energy projects, which established the firm's reputation in the resources industry and laid the groundwork for broader technical capabilities.[20]

In 1987, Wholohan Grill and Partners acquired the Australian operations of Worley Engineering Pty Ltd, an American firm founded by Steve Worley, which prompted a rebranding to Worley and marked the beginning of international expansion.[21] This acquisition provided access to established engineering methodologies and facilitated entry into Southeast Asia through joint ventures and project partnerships.[22] By 1988, Worley had established operations in Brunei for energy projects, followed by engagements in Malaysia, Thailand, and Singapore, where it secured contracts in upstream oil and gas development.[23] These initiatives diversified the company's regional footprint beyond Australia while leveraging its core competencies in hydrocarbons.[20]

The 1990s represented a period of accelerated diversification and growth for Worley, as it ventured into additional sectors including power generation, infrastructure, environment, minerals, and metals.[20] This strategic shift broadened the firm's service offerings from hydrocarbon-focused engineering to comprehensive project delivery across energy and resources industries.[6] By the early 2000s, Worley had expanded to approximately 30 offices worldwide and employed around 3,000 personnel, reflecting robust year-on-year growth that positioned it among Australia's top expanding companies.

Acquisitions and growth (2000s)

In 2002, Worley Group Limited completed its initial public offering on the Australian Securities Exchange under the ticker ASX: WOR, which provided capital to support expansion into new markets and capabilities.[24][5]

The company pursued aggressive acquisition strategies throughout the decade to build expertise in specialized sectors. In 2004, Worley acquired Parsons E&C Corporation, the engineering and construction arm of the U.S.-based Parsons Corporation, for US$245 million, enhancing its downstream oil and gas services.[25] That same year, it purchased Astron, an Australian environmental consulting firm, to strengthen minerals and environmental capabilities.[26] In 2005, Worley acquired Komex Environmental International, a leading Canadian firm in environmental and water resources consulting, expanding its North American presence in sustainability-focused services.[27] Also in 2005, it bought DRPL, a UK-based power sector engineering company, and TMG International Holdings, an infrastructure specialist with operations in the UK and Asia, to bolster energy and project delivery expertise.[28]

Building on this momentum, Worley acquired HG Engineering AS in late 2005, a Norwegian firm specializing in offshore oil and gas engineering, which added subsea and floating production capabilities.[29] In 2006, the company formed a joint venture with ARA, a Santiago-based engineering firm, to enter the South American market, targeting projects in Venezuela, Peru, and Chile.[26]

Subsequent acquisitions further diversified Worley's portfolio. In 2007, it purchased SEA Engineering Inc., a U.S.-based firm focused on offshore facilities, to deepen expertise in marine and subsea engineering.[26] The 2008 acquisition of INTEC Engineering from the Heerema Group for US$108.5 million brought advanced subsea engineering and deepwater project delivery skills.[30] That year, Worley also acquired Westmar Consultants Inc., a Canadian specialist in marine, port, and mining infrastructure, for A$48.68 million.[31] In 2009, it obtained the UK assets of Day & Zimmermann to establish a base for operations support services in Europe.[26] Later that year, Worley acquired CNEC Engenharia, a Brazilian engineering firm with strengths in energy and infrastructure, enhancing its Latin American footprint.[26]

These moves, following the 2004 rebranding to WorleyParsons after the Parsons E&C integration, rapidly expanded the company's global operations, growing its workforce to over 20,000 employees by the late 2000s and diversifying into offshore, environmental, and international infrastructure services.[32][2]

Mergers, rebranding, and recent developments (2010s–present)

In the early 2010s, WorleyParsons pursued targeted acquisitions to expand its advisory and engineering capabilities in key markets. In 2010, the company acquired Evans & Peck Group Limited, an Australian business advisory firm operating in Australia and China, for A$89.3 million, enhancing its expertise in transport, infrastructure, and resources consulting.[22] This was followed in 2011 by the acquisition of Kwezi-V3 Engineers (Pty) Limited, a South African engineering firm specializing in civil, structural, and mechanical services, for approximately A$49.8 million, strengthening its presence in Africa's mining and infrastructure sectors.[33] By 2013, WorleyParsons had completed two significant deals: the R900 million (approximately A$100 million) purchase of TWP Holdings (Pty) Limited, a South African engineering, procurement, and construction management (EPCM) firm focused on mining, which added specialized underground mine planning capabilities; and the NOK 1 billion (about US$190 million) acquisition of Bergen Group Rosenberg AS, a Norwegian offshore engineering and fabrication company, bolstering its oil and gas project delivery in the North Sea region.[34][35] In 2014, the firm acquired MTG Ltd., a US-based management consulting company specializing in hydrocarbons operational performance, for an undisclosed amount, further integrating advisory services into its portfolio.[36]

The most transformative deal came in 2018–2019, when WorleyParsons agreed to acquire Jacobs Engineering Group's Energy, Chemicals, and Resources (ECR) business for US$3.2 billion (A$4.55 billion), a transaction completed on April 26, 2019.[37] This acquisition significantly scaled the company, increasing its workforce to approximately 57,600 employees and expanding operations to 51 countries, while creating a leading global provider of professional project and asset services in energy, chemicals, and resources.[38]

In conjunction with the Jacobs ECR integration, WorleyParsons underwent a major rebranding in 2019, shortening its name to Worley to reflect a unified focus on delivering integrated end-to-end solutions for clients navigating complex energy and resources challenges.[39] The rebrand emphasized streamlined branding and a shift toward holistic project delivery, with the corporate name officially changing to Worley Limited following shareholder approval at the annual general meeting.[40]

Leadership transitioned in early 2020 amid these changes, with Chris Ashton appointed as Chief Executive Officer and Managing Director effective February 24, succeeding Andrew Davies.[41] Ashton, who joined the company in 1998 and served as Chief Operating Officer during the Jacobs integration, has guided Worley through strategic adaptations in the energy sector.

In 2023, Worley conducted a brand refresh to further consolidate its subsidiaries and underscore its sustainability focus, rebranding its advisory arm Advisian as Worley Consulting to integrate consulting services more seamlessly under the parent brand.[42] This included aligning other specialized units, such as Intecsea for subsea engineering, more closely with Worley's core operations to enhance integrated offerings in energy transition projects.

Services and solutions

Worley provides a comprehensive suite of engineering, procurement, and project management services that span the entire asset lifecycle, from initial concept and front-end engineering design (FEED) through to engineering, procurement, construction management (EPCM), commissioning, operations and maintenance (O&M), and decommissioning.[45] These services enable clients to develop, operate, and retire complex assets in energy, chemicals, and resources sectors, with an emphasis on integrated data-centric approaches to solve multifaceted challenges.[45]

Among its specialized solutions, Worley incorporates digital technologies to enhance asset performance, including predictive maintenance through advanced simulations that minimize downtime and extend asset life while adhering to safety and sustainability standards.[46] Asset optimization leverages robotics, digital twins, and AI to improve production efficiency and reduce operational risks, while real-time data analytics supports faster, data-driven decision-making across workflows.[46]

Project delivery models at Worley emphasize integrated teams that combine client and Worley personnel, utilizing cloud-based tools and global expertise to ensure seamless execution with a strong focus on safety, quality, and sustainability—such as reducing emissions, optimizing energy use, and minimizing waste.[47] For instance, these models have facilitated rapid project timelines, including the delivery of Africa's largest wind farm with 365 turbines completed in 362 days.[47]

Key offerings include Worley Consulting, which delivers strategic advisory services across the asset lifecycle, incorporating the integrated capabilities of the former Advisian for areas like decarbonization and climate risk management.[48][49] Subsea engineering is provided through Intecsea, specializing in umbilicals, risers, flowlines (SURF), and offshore systems from startup to decommissioning, including innovations like Pseudo Dry Gas Technology for extended subsea operations.[50]

These services are applied in various project types, such as brownfield upgrades to enhance existing infrastructure, greenfield developments for new facilities, and decommissioning efforts to safely retire assets in energy sectors.[45]

Markets and sectors

Worley primarily operates in the energy, chemicals, and resources sectors, providing engineering and professional services to support complex projects in these industries. The company's expertise spans conventional and emerging areas, with a significant emphasis on facilitating the global energy transition. In fiscal year 2025, these sectors accounted for approximately 49% of revenue from energy, 25% from chemicals, and 26% from resources, underscoring their balanced portfolio. In FY2025, sustainability-related work accounted for 60% of aggregated revenue.[4]

In the energy sector, Worley delivers solutions for hydrocarbons, including upstream exploration, midstream transportation, and downstream processing, as well as power generation and transmission. This encompasses conventional oil and gas operations alongside renewables such as solar, wind, and nuclear technologies like small modular reactors. The company also supports integrated power networks to enhance reliability and efficiency in energy supply.[51][4]

The chemicals sector focuses on fuels, polymers, and petrochemicals, where Worley applies its capabilities in process design, optimization, and facility development. As a leader in downstream refining and petrochemical engineering, the company helps clients produce essential materials like ethylene and propylene derivatives while addressing production scalability and safety.[51][4]

Within resources, Worley specializes in mining, minerals, and metals extraction and processing, including critical materials such as copper and battery minerals. The firm holds a strong market position in mining engineering, offering services from feasibility studies to operational enhancements that improve yield and reduce environmental impact during resource development.[51][4]

Worley's energy transition efforts integrate across sectors, providing expertise in hydrogen production and infrastructure, carbon capture utilization and storage (with involvement in over 40 projects expected to capture or transport over 110 million tonnes of CO2 per annum), renewables integration, and low-carbon fuels like biofuels and synthetic gases.[52] These services enable clients to decarbonize operations and meet regulatory demands for reduced emissions. In infrastructure and environment, the company supports water treatment and distribution systems, transport networks, and environmental compliance projects to ensure sustainable development in industrial settings.[4]

The client base includes major oil and gas firms such as Aramco and BP, leading mining companies, chemical producers, and government entities, with the top 20 clients representing 58% of revenue and 80% having net-zero commitments. Worley positions itself as a strategic partner in these markets, leveraging its global scale and technical depth to lead in downstream refining, petrochemicals, and mining engineering, while delivering tailored services that align with broader project execution needs.[4]

International presence

Worley maintains a global footprint with operations in 44 countries across six continents, providing engineering, procurement, construction management, and consulting services tailored to local markets while drawing on worldwide expertise.[53] The company's presence spans the Asia-Pacific, Americas, Europe, Middle East, Africa, and Australia, supporting projects in energy, chemicals, and resources sectors through a network of offices that facilitates 24/7 operational continuity.[54] Key hubs include its global headquarters in Sydney, Australia, along with major facilities in Houston, Texas (a center for energy and modularization), London, United Kingdom (focusing on European and international projects), and Calgary, Alberta (emphasizing resources and low-carbon energy).[55][56][57][58]

Regionally, Worley's operations leverage specific strengths to address industry demands. In Australia, as the company's founding location, it concentrates on resources and mining with approximately 4,000 employees supporting full project lifecycles.[55] North America, encompassing the United States and Canada, highlights energy transition initiatives, including hydrogen and carbon capture, with 22 offices in the US and multiple sites in Canada such as Edmonton and Burnaby.[56][57] In the Middle East, operations center on oil and gas through project management and EPCM services, exemplified by facilities in Al Khobar, Saudi Arabia.[59] Africa features a mining focus, particularly in South Africa, where Johannesburg-based teams deliver engineering and procurement for resource projects.[60][61]

The extensive office network, spanning dozens of locations worldwide, enables seamless collaboration and rapid response to client needs across geographies.[54] Worley's workforce of over 45,000 professionals is distributed internationally, fostering diverse teams that integrate local knowledge of regulations, cultures, and logistics with global standards to ensure compliant and effective project execution.[53][26] This structure originated from an Australia-centric base over 50 years ago and has evolved into a truly global organization through strategic expansion, enhancing its ability to serve multinational clients.[6]

Senior executives

Chris Ashton has served as Chief Executive Officer and Managing Director of Worley since 24 February 2020. He joined the company in 1998 and previously held roles including Chief Operating Officer, with extensive experience in operations, major projects, and leadership across global regions. Ashton holds a Bachelor of Engineering (Honours) in electrical engineering and an MBA, bringing engineering and strategic expertise to guide Worley's focus on energy transition and project delivery.[62]

Justine Travers was appointed Chief Financial Officer on 1 July 2025, overseeing finance, treasury, tax, property, and investor relations. Prior to this, she served as Worley's Deputy CFO and held senior finance positions at Shell and Newcrest Mining. Travers possesses degrees in economics, finance, and international business, contributing to the company's financial strategy amid global market shifts.[62]

Other key executives include regional and functional leaders driving operational strategy. Mark Brantley, Group President for Global Operations since 1 July 2025, manages field services and regional delivery, having previously led the EMEA and APAC regions with an emphasis on leadership development and diversity. Mark Trueman, Group President for Major Projects and Programs since 1 July 2025, focuses on large-scale project execution and growth initiatives, drawing from his tenure leading the Americas region since joining Worley in 1994. Vikki Pink, Chief People Officer since February 2020, leads talent management, diversity, and inclusion efforts, with prior experience in human capital transformation. Laura Leonard, appointed Chief AI and Enterprise Services Officer effective 1 November 2025, oversees digital transformation, risk, sustainability, and corporate affairs, building on her 20+ years in energy technology and prior role as Group President of Technology Solutions. Additional C-suite roles include Andy Hemingway as Executive Group Director for Growth since August 2022, specializing in energy transition strategy and sales; Sabrina Gilman as Chief Legal Officer since 1 July 2025, managing global legal and governance; and Nuala O'Leary as Group Company Secretary since August 2016, handling corporate governance.[62]

The executive team comprises a diverse group of professionals from regions including Australia, the USA, and the UK, with balanced gender representation and collective expertise spanning over 20–40 years in energy, resources, engineering, digital innovation, and project delivery. Recent changes in 2025, including multiple July appointments and the October restructuring to streamline the Group Executive from 12 to 9 members effective 1 November, aim to accelerate AI integration and operational efficiency while emphasizing sustainability and growth.[12]

Board of directors

The Board of Directors of Worley Limited provides strategic oversight and governance for the company, ensuring alignment with long-term objectives in the energy, chemicals, and resources sectors. As of November 2025, the Board comprises 12 members, including one executive director (the CEO) and 11 non-executive directors, of whom 10 are independent, maintaining a majority of independent oversight as required by corporate governance standards. This composition reflects a diverse mix of expertise in leadership, energy transition, finance, mining, and public policy, drawn from global professionals to support Worley's international operations.[62]

John Grill AO serves as the non-executive Chairman, a role he has held since 1 March 2013; as the company's founder in 1971, he brings over 40 years of experience in resources and energy sectors, previously as CEO of Worley predecessor firm Wholohan Grill and Partners. Andrew Liveris AO acts as Deputy Chair and Lead Independent Director since 5 September 2018, with a background as former CEO of Dow Chemical Company and current directorships at IBM and Saudi Aramco, contributing strategic insights into global chemicals and sustainability. Other notable independent non-executive directors include Roger Higgins, appointed 20 February 2019, a mining and operations specialist with prior senior roles at Teck Resources Limited; Emma Stein, appointed 10 December 2020, former director of energy firms like Woodside Energy Group; and recent appointees Alison Kitchen AM (1 July 2024), ex-National Chairman of KPMG Australia with finance and audit expertise, and Kim Gillis AM (1 July 2024), former Deputy Secretary of the Australian Department of Defence. Additional key members encompass Joseph Geagea (energy executive from Chevron, appointed 1 July 2023), Thomas Gorman (former CEO of Brambles Limited, appointed 18 December 2017), Martin Parkinson AC (ex-Secretary of the Australian Treasury, appointed 24 February 2020), Juan Suárez Coppel (former CEO of PEMEX, appointed 27 May 2019), and Jeanne Johns (former CEO of Incitec Pivot Limited, appointed 1 September 2025).[62]

The Board operates through four principal committees to enhance governance and risk management: the Audit and Risk Committee (chaired by Alison Kitchen, focusing on financial reporting, compliance, and enterprise risk); the People and Remuneration Committee (chaired by Emma Stein, overseeing executive compensation, talent strategy, and performance metrics); the Health, Safety and Sustainability Committee (chaired by Roger Higgins, addressing ESG risks, environmental impacts, and occupational health); and the Nominations Committee (chaired by John Grill, handling director succession, board diversity, and skills alignment). All committees except Nominations are chaired by independent directors, and they report directly to the full Board.[63]

Worley's governance practices adhere to the fourth edition of the ASX Corporate Governance Principles and Recommendations, emphasizing ethical conduct, board renewal, and long-term shareholder value creation. The Board conducts annual performance reviews, assesses director independence yearly, and maintains a skills matrix highlighting collective strengths in areas such as energy transition, digital innovation, and sustainability to guide strategic decision-making and ESG oversight. External assurance of ESG metrics follows ISAE 3000 standards, reinforcing accountability in sustainability reporting.[63]

Environmental sustainability

Worley has committed to achieving net zero Scope 1 and Scope 2 greenhouse gas emissions by 2030 and net zero Scope 3 emissions by 2050, aligning these targets with a 1.5°C warming scenario.[64] By the end of fiscal year 2025, the company had reduced its Scope 1 and 2 emissions by 73% from the 2020 baseline of 114,241 tCO₂e, surpassing its interim goal of a 65% reduction.[64] Additionally, Worley aspires to derive 75% of its revenue from sustainability-related work by the end of fiscal year 2026.[65]

The company advances key environmental initiatives through engineering and consulting services focused on energy transition technologies. In carbon capture and storage (CCS), Worley provides concept development, techno-economic evaluation, and engineering for projects up to 550 MWe capacity, including a large-scale CCS initiative in Canada to capture CO₂ from a refinery and chemicals plant, and a feasibility study for Ørsted's onshore CO₂ storage project in Denmark with a 20+ km pipeline.[52][66] For hydrogen development, Worley supports low-carbon hydrogen production and infrastructure, such as engineering services for Gasgrid's hydrogen pipeline in Finland to bolster the country's hydrogen economy, and modular systems for green hydrogen projects that integrate renewables, production, and storage.[67][68] In renewable energy engineering, the company invests in solar installations that generated 464 MWh in fiscal year 2025 and collaborates on renewable integration for industrial-scale green hydrogen facilities.[69][64]

Internally, Worley implements practices to minimize its environmental footprint, including an Environmental Management System certified to ISO 14001 at 34 sites as of June 2025.[65] The company sources 81% of its electricity from renewables in fiscal year 2025, deploys a hybrid vehicle fleet (such as 39 vehicles in Saudi Arabia), and offsets 10,305 tCO₂e from air travel using high-quality carbon credits.[64] Energy-efficient offices are prioritized, with initiatives like 100% renewable energy procurement in its Perth office and recognition of high-impact sites for creative efficiency measures.[70][71] Biodiversity protection is integrated into project planning through the SEAL framework, which optimizes sustainability by assessing environmental impacts and protecting natural capital at sites.[65][48] Digital tools further support these practices, with digital twins enabling emissions reductions in asset design and operations.[72]

Worley publishes annual sustainability reports detailing environmental metrics, such as Scope 1 emissions of 24,485 tCO₂e and Scope 2 (market-based) emissions of 6,524 tCO₂e in fiscal year 2025, alongside an 81% improvement in energy productivity from the 2020 baseline.[64] These reports, aligned with TCFD and ISSB standards, highlight reductions in project emissions achieved through digital optimization tools that enhance efficiency in engineering and decommissioning processes.[65][73]

Through partnerships, Worley collaborates with clients on low-carbon pathways, particularly in oil and gas decommissioning, using digital twins and renewable integration to decarbonize assets like those in the North Sea.[74][72] Notable alliances include those with NVIDIA, Dell, C3 AI, and Microsoft for AI-driven sustainability solutions, as well as industry players like ABB and IBM for renewable hydrogen adoption.[64][75]

Corporate social responsibility

Worley emphasizes diversity and inclusion as core elements of its corporate social responsibility, with specific targets aimed at achieving gender balance across leadership levels. The company set a goal of reaching 20% women in senior leadership roles by fiscal year 2025 (FY2025), which it nearly achieved at 19.7-20%, up from 17.7-18% in FY2024.[76] Similarly, Worley targeted 30% women on its Board by FY2025, attaining 25%, and maintained strong representation in the Group Executive at 42% women against a 40% goal.[4] For early-career talent, the firm aimed for at least 50% women in global graduate intakes by FY2025, achieving 54%.[76] In Australia, Worley's Innovate Reconciliation Action Plan (2024-2026) seeks to boost Indigenous employment by targeting 3% Aboriginal and Torres Strait Islander students in graduate and summer vacation intakes by September 2025, alongside increasing overall Indigenous staff representation through partnerships like the Polly Farmer Foundation and CareerTrackers.[77] These efforts are supported by cultural awareness training, with 25% of staff completing it by January 2025 and 50% by August 2025.[77]

Community engagement forms a key pillar of Worley's social initiatives, focusing on local hiring, skills development, and philanthropy in regions where it operates, particularly mining communities. The Worley Foundation, established to support sustainable development, funded 23 projects in FY2025, contributing $1.7 million in non-legislated investments and $1.6 million in legislated contributions.[4] These include STEM education programs for Indigenous students in Australia via the Indigenous Australian Engineering School and partnerships with the Polly Farmer Foundation, aiming to build long-term skills in underserved communities.[78] Additionally, initiatives like the First Nations Apprenticeship Program in Australia and the Indigenous Employment Action Plan in Canada promote local hiring and training to enhance economic opportunities in operational areas.[4]

Worley upholds rigorous ethical standards through policies on anti-corruption, human rights, and supply chain transparency. The company maintains a zero-tolerance policy for bribery and corruption, mandating annual Code of Conduct training completed by over 39,000 employees in FY2025, supported by an Ethics Helpline available in eight languages that handled 365 reports with zero confirmed modern slavery cases.[4] Its human rights framework aligns with the UN Guiding Principles, incorporating due diligence processes such as a salience assessment identifying risks like discrimination and deceptive recruitment.[78] For supply chain oversight, Worley manages 6,359 direct suppliers across 75 countries with $10.3 billion AUD in FY2025 spend, conducting 11,701 due diligence checks on 66% of suppliers and assessing high-risk Canadian suppliers for forced labor.[79] Transparency is enhanced via the Supplier Support Hub and a modern slavery e-learning module, with 130 completions in FY2025.[79]

Ecuador arbitration case

In 2019, Worley International Services Pty Ltd, an Australian subsidiary of Worley Ltd, initiated international arbitration against the Republic of Ecuador under the Australia-Ecuador Bilateral Investment Treaty, seeking approximately $700 million in unpaid amounts related to engineering, procurement, and construction management contracts for the renovation of the Esmeraldas oil refinery and other gas projects awarded by Petroecuador between 2013 and 2018.[81][82] The contracts, valued at over $1 billion in total, involved Worley acting as project manager, with Ecuador alleging that the firm faced harassment through repeated audits from 2012 to 2016 and subsequent non-payment of receivables estimated at around $71 million.[83][82]

On December 22, 2023, a Paris-seated arbitration tribunal, composed of Bernard Hanotiau, Brigitte Stern, and Gonzalo Vicente Rigo Sureda, issued a final award dismissing Worley's claims in their entirety on jurisdictional and admissibility grounds, ruling that the conduct amounted to corruption, including bid rigging through the exchange of confidential information with competitor Shaw Group, violations of Ecuador's Public Procurement Law Article 87 by subcontracting to Tecnazul without approval, and bribery offers such as funding trips to Miami and gifts for Petroecuador officials.[82][83] The panel cited Worley's "wilful blindness" to Tecnazul's payment of over $1 million in bribes to Petroecuador personnel, as revealed in Panama Papers investigations, and ordered Worley to cover the arbitration costs.[84][83] Ecuador publicized the confidential award in January 2024, prompting Worley to dispute its validity, arguing that Ecuador violated arbitration confidentiality rules by not notifying the firm beforehand.[83]

Worley denied all allegations of corruption, illegality, or bad faith, stating that it had conducted proper due diligence and terminated the Tecnazul subcontract in 2016 upon discovering the principals' corruption via an Ecuadorian court ruling, and emphasized that no breaches of anti-bribery laws occurred.[84][85] In February 2024, Worley wrote off the $71 million in receivables and paid approximately $6 million in arbitration costs to Ecuador, resolving the matter without pursuing further legal proceedings.[86][87] The company asserted that the tribunal's findings were not material to its ongoing operations or financial position.[84][83] The decision led to a temporary halt in trading of its shares on the Australian Securities Exchange (ASX) on January 9, 2024, followed by a 6% share price drop to A$16.06, its lowest since July 2023.[83][85]

The case underscores heightened scrutiny on corruption in international arbitration, particularly in resource-rich Latin American markets, where tribunals may deny jurisdiction or admissibility even absent explicit treaty anti-corruption clauses, potentially complicating future contract awards and enforcement for engineering firms operating in Ecuador and similar jurisdictions.[82][83]

Other legal matters

In 2021, Worley Group reached a conciliation agreement with the U.S. Department of Labor's Office of Federal Contract Compliance Programs to resolve allegations of pay discrimination at its Houston subsidiary, affecting 42 female, Black, and Hispanic employees.[88] The settlement required Worley to pay $500,000 in back wages and interest to the impacted workers and allocate an additional $500,000 annually for salary adjustments to address ongoing disparities.[88] Following the agreement, Worley implemented enhanced compliance measures, including regular audits and training on equal pay practices, to prevent future violations.[89]

In 2016, the Occupational Safety and Health Administration (OSHA) fined Worley Parsons (now part of Worley) $37,413 for workplace safety and health violations at U.S. sites, stemming from failures to maintain safe conditions and provide adequate protective equipment.[90] The citations highlighted lapses in hazard communication and respiratory protection standards, prompting Worley to conduct site-wide safety reviews and update its protocols to align with OSHA requirements.[90]

In 2024, Worley faced an ongoing appeal in the Australian Federal Court in the class action case Crowley v Worley Ltd, where shareholders alleged misleading or deceptive conduct and breaches of continuous disclosure obligations related to 2013 project delays and earnings guidance.[91] The appeal, filed in February 2024, challenges the primary judge's dismissal of claims that Worley failed to disclose material information about underperforming projects, leading to a share price drop; a hearing occurred in March 2025.[92] Following the hearing, in June 2025, the court permitted additional submissions based on a related class action ruling, and the appeal remains pending as of November 2025.[93] Worley has defended its disclosures as compliant, emphasizing internal risk assessments conducted at the time.[94]

Across these matters, Worley has consistently prioritized swift resolutions through settlements and fines, coupled with internal policy enhancements such as improved disclosure training and diversity initiatives, to mitigate recurrence and strengthen governance.[88][90]