- Aedas Building Surveying Limited
- Allen Tod Partnership
- Anthony Towler Associates
- Arcacia
- Arcus HSB
- Bradbury Group
- Bradshaw Gass & Hope
- C.D.P Associates
- David Lyons & Associates
- DTR Sheard Walshaw
- E.C. Harris & Partnership
- Faithful & Gould
- Finn & Downes
- Firth Partnership
- Gardiner & Theobold
- Halliday Clarke
- Harris Partnership
- Jackson Coles
- Janus Building Design
- John Lawson Architecture
- John Percy
- John Trichler Associates
- Jordan Pritchard Gorman
- Langtry - Langton Architects
- Lumsdon Wood Partnership
- Martin S. Ramsden
- Michael Bateson Associates
- Michael Eyres Partnership
- MNB Partnership
- Morgan Spence
- Nicol Thomas
- One Stop Architects
- Pearce Bottomley Architects
- Pitchford Design Associates
- Rance Booth & Smith
- Rex Proctor & Partners
- Richard Boothroyd & Associates
- Spawforth Associates
- Strategic Design Alliance
- Webb, Seeger Moorhouse
- West & Machel
- WSP
