World’s 100 Largest Architectural Practices League Table Published

Published by Building Design, the WA100 2026 ranks the top 100 architectural practices in the world by number of architects employed, from a survey of over 1,000 firms.

It’s the only list available comparing practices around the globe, making it an established reference point for international research.

The top ten practices are:

• Gensler
• HDR
• Arcadis
• Aecom
• Sweco Group
• Nikken Sekkei
• DLR Group
• Heerim Architects & Planners
• Perkins&Will
• CannonDesign

The full list also includes details of fee income. It can be viewed here.

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