Circle Square Competitors

We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity. From local beginnings to a globe-spanning presence today, we operate in over 50 countries and employ approximately 73,000 professionals, known as Visioneers. Together they pioneer solutions and deliver innovative projects across sectors: Transport & Infrastructure, Property & Buildings, Earth & Environment, Water, Power & Energy and Mining & Metals. Together let’s unlock potential everywhere. #WeAreWSP

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.

We are an engineering, management and development consultancy and one of the largest wholly employee-owned firms of our kind. We plan, design, deliver and maintain the transport, energy, water, defence and security, and buildings infrastructure that is integral to people's daily lives. Our core strength is using our expertise to overcome complex challenges to deliver benefits for our clients and the communities they serve.