International practice founded in Basel in 1978 by Jacques Herzog and Pierre de Meuron, owned by its active partners. Practice page.
Ten selected projects are dated from the practice’s project pages, including CaixaForum Madrid. The Siana credit line “Herzog & de Meuron” is not split.
Checked 8 November 2026. Swiss and UK registration: not verified. The practice states it is not licensed in Florida. The H&dM wordmark is the Commons PD-textlogo file. Portraits of the founders use Commons licences.