A - L
- Sir Patrick Abercrombie (1879–1957)
- ABK (Peter Ahrends, Richard Burton & Paul Koralek), founded 1961
- Robert Adam[2] (born 1948)
- David Adjaye (born 1966)
- Allies and Morrison, founded 1984
- Will Alsop (born 1947)
- Archigram, architectural collective active circa 1962–1964
- Architects Co-Partnership (Kenneth Capon)[3][4] founded 1939
- Arup, founded 1946
- Bryan Avery, born 1944
- George Grenfell Baines (1908–2003)
- Eric Bedford[5] (1909–2001)
- Bennetts Associates, founded 1987
- Benson & Forsyth
- Stephen Dykes Bower (1903–1994)
- Bradshaw Gass & Hope, founded 1862
- Broadway Malyan, founded 1956
- Building Design Partnership (BDP), founded 1964
- Alexander Buchanan Campbell (born 1914)
- Caruso St John, founded 1990
- Sir Hugh Casson, (1910–1999)
- Chamberlin, Powell and Bon (Peter Chamberlin (1919–1978), Geoffry Powell (1920–1999), Christof Bon (1921–1999)), founded 1952
- Chapman Taylor Architects, founded 1959
- David Chipperfield (born 1953)
- Edward Cullinan (born 1931)
- Ivor Cunningham[6] (1928–2007)
- Graham Dawbarn[7], partner of Norman & Dawbarn (founded 1934)
- Bill Dunster (born 1960)
- Gabriel Epstein
- Ralph Erskine (1914–2005)
- Evans & Shalev (Eldred Evans & David Shalev)[8]
- EPR Architects, founded 1947
- Sir Terry Farrell (born 1939)
- FAT (Fashion Architecture Taste) established 1990s
- Norman Foster, Baron Foster of Thames Bank (born 1935)
- Foster and Partners, founded 1967
- Tony Fretton
- Maxwell Fry (1899–1987)
- Future Systems (Jan Kaplický (born 1937) & Amanda Levete (born 1955)), founded 1982
- Barry Gasson OBE[9]
- Sir Frederick Gibberd (1908–1984)
- Gillespie, Kidd & Coia, founded 1927, wound up 1987
- Ernő Goldfinger (1902–1987)
- GMW Architects (Frank Gollins, James Melvin & Edmund Ward), founded 1948
- Sir Nicholas Grimshaw (born 1939)
- Piers Gough (born 1946)
- Zaha Hadid (born 1950)
- Seymour Harris Partnership
- Haworth Tompkins, founded 1991
- William Holford, Baron Holford (1907–1975)
- Sir Michael Hopkins (born 1935)
- Hopkins Architects, founded 1976
- Glenn Howells
- Information Based Architecture, founded 1998
- Geoffrey Jellicoe (1900–1996)
- Edward Jones (born 1939)
- Shiu-Kay Kan (born 1951)
- Sidney Kaye, Eric Frimin & Partners
- George Kenyon
- Eric Kuhne
- Sir Denys Lasdun (1914–2001)
- Richard Llewelyn-Davies, Baron Llewelyn-Davies (1912–1981)
- Owen Luder (born 1928)
- Berthold Lubetkin (1901–1990)
- Jack Lynn
- Eric Lyons (1912–1980)
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M - Z
- MacCormac Jamieson Prichard, founded 1972
- MAKE Architects, founded 2003
- Percy Johnson-Marshall (1915–1993)
- Rick Mather
- Sir Robert Matthew (1906–1975)
- Sir Leslie Martin (1908–1999)
- Sir Edward Maufe (1883–1974)
- Miller Partnership
- Peter Moro (1911–1998)[10]
- mossessian & partners, founded 2005
- Hidalgo Moya (1920–1994)
- Richard Murphy
- George Pace (1915–1975)
- Percy Thomas Partnership
- Claud Phillimore (1911–1994)
- Sir Philip Powell (1921–2003)
- Renton Howard Wood Levin
- Ian Ritchie (born 1947)
- RMJM, founded 1956
- James A. Roberts
- Robinson McIlwaine[11][12], founded 1963
- Richard Rogers, Baron Rogers of Riverside (born 1933)
- Richard Seifert (1910–2001)
- Pringle Richards Sharratt, founded 1996
- Sir Peter Shepheard (1913–2002)
- Richard Sheppard (1910–1982)
- Sheppard, Robson and Partners, founded 1938
- Ken Shuttleworth (born 1952)
- Ian Simpson
- SMC Hickton Madeley Architects, founded 1936
- Ivor Smith
- Alison Smithson (1928–1993)
- Peter Smithson (1923–2003)
- Sir Basil Spence (1907–1976)
- Sir James Stirling (1926–1992)
- Quinlan Terry (born 1937)
- Ralph Tubbs (1912–1996)
- Ronald Ward and Partners
- Michael Wilford (born 1938)
- Wilkinson Eyre (Chris Wilkinson & Jim Eyre), founded 1983
- Sir Colin St John Wilson (1922–2007)
- YRM[13][14] (F. R. S. Yorke, Eugene Rosenberg and Cyril Mardall), founded 1944
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