Gensler has been named the world’s biggest architecture practice for the sixth year in a row.

The US-based firm retained its crown despite losing more than 300 architects in the previous year, a drop of 11%. But its 2,506 remaining architects were enough to keep it safely out of the reach of its closest rival, Japan’s Nikken Sekkei which hits its 125^th anniversary this year with 1,960 architects.

The figures are revealed in the 2021 edition of World Architecture 100, Building Design’s influential compendium of the planet’s biggest practices, which is published tomorrow.

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