Aecom

Our fiscal year consists of 52 or 53 weeks, ending on the Friday closest to September 30. For clarity of presentation, we present all periods as if the year ended on September 30. We refer to the fiscal year ended September 30, 2024 as fiscal 2024 and the fiscal year ended September 30, 2025 as fiscal 2025. Overview We are a leading global provider of professional infrastructure consulting and advisory services for governments, businesses and organizations throughout the world. We provide advisory, planning, consulting, architectural and engineering design, construction and program management services, and investment and development services to public and private clients worldwide in major end markets such as transportation, facilities, water, environmental, and energy. According to Engineering News-Record’s (ENR’s) 2025 Design Survey, we are the largest general architectural and engineering design firm in the world, ranked by 2024 design revenue, and we are the number one ranked water, transportation design, facilities design, environmental engineering, environmental consulting and environmental science firm in the world. In addition, we are ranked by ENR as the leading firm in a number of design end markets, including several water infrastructure-related markets. We utilize our scale and the technical strength of our workforce to create innovative solutions for our clients. Clients are increasingly seeking our technical expertise to solve the world’s most complex and large scale infrastructure related challenges.