ENR 2025 Top 225 International Design Firms
Global AEC sector transformation lurches forward in another consecutive year of growth for ENR’s Top 225 International Design Firms—driven by energy transition and more intense geopolitical and climate-linked challenges. As firms innovate to stay competitive, revenue numbers reveal how domestic and overseas markets are shifting.
Current Top 225 International Design Firms Story:
2025 ENR Top 225 International Design Firms: Global Innovation Demands Grow
More detailed information on ENR's Top 150 International Design Firms:
View complete list with revenue and market data
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2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003
Companies are ranked according to revenue for design services performed in 2024 in $ millions (*). Those with subsidiaries are indicated by (†). For information on subsidiaries and where each firm worked outside of the U.S., see www.enr. com. **Firms not ranked last year. Some markets may not add up to 100% due to omission of “other” miscellaneous market category and rounding. NA-Not available.
Key to type of firm A-architect; E-engineer; EC-engineer-contractor; AE-architect-engineer; EA-engineer-architect; ENV-environmental; GE-geotechnical engineer; L-landscape architect; P-planner; O-other. Other combinations possible. Firms classified themselves.
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ENR 2025 Top 225 International Design Firms
| RANK 2025 |
RANK 2024 |
FIRM | FIRM TYPE |
|---|---|---|---|
| 1 | 1 | WSP Global Inc., Montreal, Quebec, Canada† | E |
| 2 | 2 | Worley Ltd., Sydney, Australia | E |
| 3 | 3 | Arcadis NV, Amsterdam, Netherlands† | M |
| 4 | 5 | AtkinsRéalis, Montreal, Quebec, Canada† | M |
| 5 | 4 | AECOM, Dallas, Texas, U.S.A. | M |