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10 Engineering Consultancies Shaping the Future of Infrastructure and Clean Energy
04 Jun, 20255 Minutes
Engineering consultancies play a key role in shaping the world around us, from advancing renewable energy to delivering large-scale infrastructure and smart city developments. As the complexity of global projects increases and the need for sustainable solutions grows, the demand for specialist engineering expertise has never been higher.
The global engineering consultancy services market reflects this momentum. Valued at $175.43 billion in 2025, the market is expected to nearly double to $348.79 billion by 2034, highlighting the scale of opportunity and growth across the sector.
In this article, we highlight ten engineering consultancies who are shaping the future of the industry and the senior talent required to achieve long-term growth.
10 Engineering Consultancies Shaping the Future
Fluor Corporation
Fluor Corporation is a global leader in engineering and construction known for delivering complex projects across a range of sectors. With a workforce of nearly 27,000 professionals and operations spanning over 100 countries, Fluor offers services across engineering, procurement, fabrication, construction, and maintenance. 
An example of Fluor's expertise is the $671 million expansion of State Highway 6 in Texas, which aims to improve safety and reduce congestion in the rapidly growing Bryan–College Station area. Fluor is also advancing the GeZero project in Germany by integrating carbon capture and storage solutions into Heidelberg Materials' cement production facility to capture 700,000 tonnes of CO₂ annually. Fluor’s extensive portfolio and global reach show how specialist engineering consultancies can address worldwide infrastructure challenges.
AECOM
AECOM is a global infrastructure consulting firm with approximately 51,000 employees worldwide that offers services in architecture, engineering, and construction management with a big focus on sustainability and innovation. The company has played key roles in major projects such as the 2016 Rio Olympic Games in Brazil, where it focused on transportation and public spaces, and the construction management of One World Trade Centre in New York, which is the tallest building in the Western Hemisphere. AECOM is also the official venue infrastructure partner for the 2028 Los Angeles Olympic Games.
In the UK, AECOM contributed to the Crossrail project in London, which was Europe's largest construction project at the time, providing strategic planning, procurement, and project management services. With reported revenues of $16.1 billion in 2024, AECOM has solidified its position as a global leader in delivering innovative infrastructure solutions.
WSP Global Inc.
As one of the world’s largest engineering consultancies, WSP Global has built a reputation for strategic growth and strong service offerings. Headquartered in Montreal, Canada, WSP employs over 72,000 professionals across more than 40 countries, delivering solutions that span the full lifecycle of the built and natural environment. With revenues of $11.8 billion in 2024, its core expertise includes transportation, property, environment, energy, and water.
Strategic acquisitions are a key focus for WSP as they have consistently acquired other engineering and consulting firms to expand their geographical reach and enter new markets. For example, their recent acquisition of Lexica enhances their healthcare and life sciences capabilities in the UK. Major projects include New York’s Penn Station and LaGuardia Airport redevelopment programmes and the Waterview Connection Project in Auckland, New Zealand. With around 200,000 projects currently active, WSP Global remains at the forefront of engineering innovation.
Arup
Arup is an independent firm of designers, planners, engineers, consultants, and technical specialists known for its collaborative approach across a range of sectors. Arup is uniquely owned in trust, which benefits employees and creates a culture that prioritises long-term vision, quality, and sustainable outcomes. Headquartered in London, Arup operates from more than 90 offices across 35 countries and has contributed to projects in over 160 nations. 
Its most iconic project is the Sydney Opera House, where Arup’s engineers created the pioneering structural shell design. The company also contributed to the Centre Pompidou in Paris and Beijing’s National Aquatics Centre “Water Cube”, which is recognised for its innovative ETFE bubble façade. With reported revenue of £2.2 billion in 2024, Arup prides itself on technical excellence, innovation, and an integrated approach to design qualities that position it as a leading specialist engineering consultancy.
Sweco
Sweco is a leading European architecture and engineering consultancy with a strong focus on sustainability and digitalisation in urban development. With a team of approximately 22,000 designers, engineers, and consultancy experts, Sweco’s expertise covers the entire built and natural environment. Contributing to over 150,000 projects annually, Sweco leverages its deep regional knowledge and advanced digital tools across multiple disciplines.
The company was involved in the modernisation of Bradford City Centre and the redevelopment of One Exchange Square in London, demonstrating its skill in integrating innovative design in complex settings. As demand grows for engineering recruitment in specialist firms, Sweco’s model shows how the right expertise can drive long-term growth and success.
NEI Electric Power Engineering
Founded in 1982 and headquartered in Lakewood, Colorado, NEI Engineering is a specialised electrical design and power system engineering consultancy focused on the energy transition. Unlike other multidisciplinary firms, NEI focuses on substation design, transmission and distribution line design, protective relaying, and system studies to ensure the reliability and efficiency of the existing power grid.
Although primarily an electrical consultancy, NEI also offers integrated civil and structural engineering services for power infrastructure projects. Its client base includes electrical utilities, industrial operations, and renewable energy developers that rely on NEI’s deep technical expertise to address key challenges.
Revamp Engineering
Revamp Engineering is a specialised firm that has established a niche in the utility-scale renewable energy sector, with a primary focus on solar PV and battery energy storage systems. Headquartered in Oakland, California, and licensed in over 40 states, Revamp provides engineering design services tailored exclusively to large-scale solar and battery projects.
Revamp’s offerings include:
PV and BESS Design
High Voltage Substation Design
Power System Studies
Civil Engineering
Structural Engineering
Array layout optimisation
Lightning risk assessments
With regional hubs in Honolulu, San Diego, Denver, Austin, and Raleigh, Revamp is driven by a mission to design a cleaner future, and their portfolio includes serving as Engineer of Record for 12.5 GW of utility-scale installations and supporting over 100 GW overall.
Pure Power Engineering
Headquartered in Hoboken, New Jersey, with satellite offices across key U.S. regions, Pure Power Engineering has become a leading engineering firm in the solar and storage industry. By focusing exclusively on solar photovoltaic and battery energy storage systems, Pure Power delivers optimised solutions for a sector that requires precise, scalable design.
Pure Power has completed over 2,500 full designs for projects 100 kW and larger and has been involved in more than 10,000 distributed generation and utility-scale projects in the United States. Over the past 12 years, the team has collectively engineered over 4,000 MWDC of solar capacity. The company emphasises high-quality, user-friendly designs, using value engineering to maximise energy production and reduce costs. 
Electrical Consultants Inc.
Electrical Consultants, Inc. (ECI) is an engineering consultancy that has specialised in power delivery solutions since 1985. As an employee-owned firm operating from over 37 offices across the U.S. and Canada, ECI has created a culture of personal ownership and long-term commitment, which are essential qualities when designing critical infrastructure for electric utilities and renewable energy developers.
ECI’s has strong expertise in the transmission and distribution of electricity, ensuring reliable and cost-effective power delivery. In recent years, the firm has played a key role in modernising the grid by designing infrastructure that integrates large-scale solar, wind, and battery energy storage projects.
Rodan Energy Consultants
Rodan Energy Consultants is a North American energy management consultancy specialising in optimising consumption for large energy users, power distributors, and generation companies. By combining innovative technology with expert consulting, Rodan has helped clients reduce energy costs and meet sustainability objectives since 2003.
A significant part of their offering is demand response, where Rodan enables large commercial and industrial users to earn revenue by reducing electricity consumption during peak demand periods. This stabilises the grid and contributes to a smarter energy network. As the energy transition accelerates and smart-grid solutions become essential, Rodan’s expertise in energy management positions them as a critical partner for organisations looking to minimise operational costs and meet environmental goals.
Why Engineering Consultancies Face a Senior Talent Shortage
The engineering consultancy sector is experiencing an increase in demand for skilled professionals driven by developments across renewable energy, infrastructure, and digital transformation. As projects scale and become more complex, consultancies need access to senior talent, from electrical engineers supporting power grid upgrades to design experts delivering sustainable urban regeneration and solar projects. This growing demand has made engineering recruitment more competitive than ever. 
Because of this, engineering consultancies are facing significant talent shortages. Many experienced engineers are approaching retirement, and there is an increasing gap between the skills required on modern projects and the experience available in the market. Emerging technologies and the shift toward more sustainable solutions are driving the need for a more diverse and adaptable talent pool than traditional hiring methods can provide.
For more insights on engineering talent shortages, explore our article: Where Is All the Engineering Talent? Skills Gaps and the Significant Lack of Engineers
Engineering Consultancies Recruitment Experts at CSG Talent
At CSG Talent, we specialise in connecting engineering consultancies with the senior talent needed to drive innovation and success. Our renewable energy recruitment team understands the technical demands and challenges of the industry and tailor their executive search strategies accordingly.
Whether you’re scaling your team for a major project or seeking niche expertise in a competitive market, we deliver talent that adds long-term value. Partner with CSG Talent for strategic talent solutions that future-proof your engineering consultancy.
