Engineering Consulting in Australia: Market Size, Businesses & Forecast 2026

The engineering consulting industry in Australia comprises professional services that provide engineering design, project management, and technical advisory across resources, infrastructure, and energy sectors. The sector operates in close alignment with major infrastructure and resource developments, drawing heavy demand from both public and private investment. According to the Australian Bureau of Statistics (ABS) Australian Industry 2024-25 publication, the broader Professional, Scientific and Technical Services division, of which engineering consulting is a major part, remains one of the largest contributors to Australia's service economy. While precise annual revenue figures for the spe

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What does the Engineering Consulting in Australia industry cover?

The industry encompasses businesses primarily engaged in providing engineering design, drafting, and consulting services. These services apply physical laws and principles of engineering to the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. It covers diverse disciplines including civil, structural, mechanical, electrical, chemical, and mining engineering.

• •Classified under ANZSIC code 6923 (Engineering Design and Engineering Consulting Services) in Australia.
• •Services exclude physical construction or direct contract mining, focusing strictly on advisory and design phases.
• •Includes specialized sub-activities such as drawing office services, quantity surveying, and marine engineering consulting.

Who operates in the industry and how is it structured?

Australia's engineering consulting landscape is characterized by a mix of large multinational firms, mid-sized specialist practices, and a vast number of small sole proprietorships. The market is structured to service regional resources in Western Australia and Queensland, alongside major civil infrastructure pipelines in New South Wales and Victoria. This geographic distribution ensures that operators maintain localized hubs near major client projects.

• •A small tier of large integrated firms dominate high-value public infrastructure and mining contracts.
• •Small-scale firms and independent contractors constitute the majority of operating businesses by count.
• •Firms often operate under joint ventures or project-specific alliances to mitigate risk on multi-billion dollar developments.

What drives demand in the industry?

The industry is heavily dependent on capital expenditure cycles in private mining, public infrastructure, and utility networks. Government spending on transport, water, and renewable energy infrastructure provides a stable baseline of demand, while resource sector exploration drives high-margin specialized engineering contracts. These macro-economic drivers dictate the volume and complexity of the engineering design pipeline.

• •Total engineering construction work done in Australia reached $38,868.1 million in the March quarter of 2026, highlighting strong project pipelines.
• •Private sector engineering work done rose 15.9% in the March quarter of 2026 to $22,928.1 million.
• •Public sector engineering construction work accounted for $15,940.0 million in the March quarter of 2026, driven by transport and utility upgrades.

Who are the notable companies in the industry?

Competition in the Australian market is intense and increasingly focused on technological capability, local regulatory expertise, and sustainability credentials. Large ASX-listed entities and major multinational consultancies leverage their global technical networks to secure major projects across multiple states. M&A activity is a common mechanism for global firms to acquire localized specialist capability.

• •Worley Limited (ASX: WOR) is an Australian-listed global provider of professional project and asset services in the energy, chemicals, and resources sectors.
• •GR Engineering Services Limited (ASX: GNG) specializes in providing EPC and engineering consulting to the mineral processing and resources industries.
• •GHD Group Limited is a major employee-owned global engineering and environmental advisory firm headquartered in Australia.
• •WSP Australia and Aurecon Group are other prominent tier-one engineering consultancies operating extensive footprints across Australian infrastructure.

What are the recent trends and outlook?

The transition to renewable energy and decarbonization pathways is reshaping the engineering services landscape in Australia. Consultancies are pivoting towards green hydrogen, battery energy storage systems, and grid transmission design to capture emerging clean energy capital expenditure. Digital engineering, including Building Information Modelling (BIM) and digital twin technologies, has transitioned from an optional service to a standard client expectation.

• •Demand is rising for battery integration specialists, highlighted by major battery projects like the 500 MW Collie Battery in Western Australia.
• •Resources-focused consultancies are expanding services into transition metals, including lithium and rare earths processing design.
• •Capacity constraints remain an industry challenge due to localized skilled engineering shortages across key states.

How is the industry regulated?

The engineering profession in Australia is subject to stringent professional registration standards and compliance frameworks designed to protect public safety. State-based mandatory registration schemes have rapidly expanded, moving the industry toward a nationally harmonized but individually regulated compliance environment. These systems require practicing engineers to prove qualifications, competency, and ongoing professional development.

• •Queensland enforces the long-standing Registered Professional Engineer of Queensland (RPEQ) system governed by the BPEQ.
• •Victoria and the ACT mandate registration under their respective Professional Engineers Registration Acts for core disciplines.
• •Western Australia introduced mandatory registration for building engineers in key fields, rolling out in phases through to July 2027.

Government, statistical and trade sources used for this Claight analysis.

• ABS Australian Industry 2024-25 ·
• ABS Engineering Construction Activity March 2026 ·
• Board of Professional Engineers of Queensland (BPEQ) Guidelines 2026 ·
• Victorian Professional Engineers Registration Scheme Reference 2025