Allies and Morrison is an architecture and urban planning practice based in London. It operates from its own studios in Southwark Street, the RIBA London Building of the Year 2004.

The practice has completed projects throughout the UK and is currently undertaking work in Germany, Holland, India, the Lebanon and Qatar.

Allies and Morrison brings to all its projects the same rigorous approach which places importance on the way buildings work, the way they are made, and the public spaces they generate.

The practice was named Architect of the Year in the 2007 Building Design Awards and has won 30 RIBA Awards.