| RPS Consulting Services | Abingdon, Oxfordshire | 16 | 23 |
| AECOM | Glasgow, London, Cardiff | 11 | 137 |
| Faithful & Gould | Edinburgh, Epsom, Surrey | 7 | 44 |
| Clancy Consulting | Glasgow, Prestwick, Altrincham | 7 | 6 |
| Turner & Townsend Project Management | Edinburgh, Glasgow, Leeds | 6 | 13 |
| Cbre | London | 4 | 11 |
| Atkins | Cardiff, Epsom, Glasgow | 6 | 128 |
| Stantec | Bristol, High Wycombe, Glasgow | 6 | 15 |
| Curtins Consulting | Cardiff, Glasgow, Liverpool | 6 | 16 |
| Capita Property & Infrastructure | Cardiff, London, Glasgow | 6 | 21 |
| Savills | London | 4 | 30 |
| Jones Lang Lasalle | London | 4 | 11 |
| Currie & Brown | Edinburgh, Eurocentral | 6 | 29 |
| WSP | London, Edinburgh | 4 | 132 |
| Mott Macdonald | Cardiff, Glasgow | 4 | 60 |
| Jacobs | Cardiff, London | 4 | 62 |
| Arcadis Consulting | Cardiff | 4 | 23 |
| Wardell Armstrong | Cardiff, Edinburgh | 4 | 17 |
| Amey OW | London, Oxfordshire | 4 | 13 |
| Gardiner & Theobald | London, Glasgow | 4 | 10 |
| Jeremy Benn Associates | Newport, Edinburgh | 4 | 8 |
| Sweco | Leeds, Glasgow | 4 | 5 |
| Aird Geomatics | Glasgow | 4 | 4 |
| Ironside Farrar | Manchester, Edinburgh | 4 | 4 |
| Local Transport Projects | Beverley | 4 | 4 |
| Michael Dyson Associates | Holmfirth, Honley | 3 | 13 |
| Sda Consulting | Manchester, Salford | 3 | 6 |
| Pennington Choices | Cheshire West and Chester, Norcott Brook | 2 | 18 |
| Iceni Projects | London | 2 | 9 |
| Couch Perry & Wilkes | Solihull | 2 | 8 |
| Lambert Smith Hampton Group | London | 2 | 6 |
| Barton Willmore | Reading | 2 | 6 |
| BPTW | London | 2 | 6 |
| Nexus Planning | Reading | 2 | 4 |
| Bwa Europe | London | 2 | 5 |
| Singleton Clamp & Partners | Manchester | 2 | 5 |
| Aew Architects & Designers | Manchester | 2 | 3 |
| Butler Young Lift Consultants | Croydon | 2 | 3 |
| Michael Hyde & Associates | Barton Arcade Deansgate Manchester, Manchester | 2 | 3 |
| Nicol Thomas | Lancs, Oldham | 2 | 3 |
| Si Sealy & Associates | Stockport | 2 | 3 |
| Nathaniel Lichfield & Partners | London | 2 | 2 |
| Kinetic Engineers | Gateshead, Tyne and Wear | 2 | 2 |
| Pozzoni Architecture | Altrincham, Cheshire | 2 | 2 |
| Planning Potential | London | 2 | 2 |
| Holmes Miller | Glasgow | 4 | 4 |
| Robert POTTER & Partners | Glasgow | 4 | 4 |
| Wellwood Leslie Architects | Dundee | 4 | 4 |
| Wylie Shanks Architects | Glasgow | 4 | 4 |
| Ove Arup & Partners | Cardiff | 2 | 72 |
| Mace | London | 2 | 26 |
| Ridge & Partners | Woodstock | 2 | 38 |
| Rider Levett Bucknall | Birmingham | 2 | 21 |
| Arcus Consulting | Sale | 2 | 16 |
| Ramboll | London | 2 | 20 |
| Pick Everard | Inverness | 2 | 16 |
| Systra | Glasgow | 2 | 13 |
| Waterman Infrastructure & Environment | Perth | 2 | 16 |
| Align Property Partners | Northallerton | 2 | 15 |
| Aa Projects | Manchester | 2 | 11 |
| RSK Environment | Coventry | 2 | 20 |
| CPC Project Services | London | 2 | 16 |
| Robinson Low Francis | Glasgow | 2 | 14 |
| BDP | Bristol | 2 | 13 |
| Avison Young | Birmingham | 2 | 12 |
| Matrix SCM | Milton Keynes | 2 | 10 |
| Cushman & Wakefield Debenham Tie Leung | London | 2 | 9 |
| SLR Consulting | Stirling | 2 | 8 |
| Ahr Building Consultancy | London | 2 | 8 |
| Bruton Knowles | Gloucester | 2 | 6 |
| Environment Partnership | Warrington | 2 | 8 |
| Identity Consult | Sunderland | 2 | 8 |
| Project Centre | London | 2 | 7 |
| RG P | Leicester | 2 | 7 |
| Summers Inman Construction & Property Consultants | Newcastle upon Tyne | 2 | 7 |
| Pell Frischmann Consultants | Wakefield | 2 | 9 |
| Whiteleyeaves | Oldham | 2 | 7 |
| Ecs Consultants | Cheadle | 2 | 6 |
| Ahr Architects | Manchester | 2 | 5 |
| Gleeds Cost Management | Glasgow | 2 | 5 |
| SAC Commercial | Edinburgh | 2 | 5 |
| Bernard Taylor Partnership | Stockport | 2 | 5 |
| WT Partnership | Croydon | 2 | 5 |
| Knight Frank | London | 2 | 4 |
| Mason Clark Associates | Hull | 2 | 7 |
| Building Design Partnership | Manchester | 2 | 5 |
| Baker Hicks | Motherwell | 2 | 4 |
| Fairhurst | Aberdeen | 2 | 4 |
| Acanthus WSM Architects | Leeds | 2 | 4 |
| Perega | Guildford | 2 | 4 |
| PP Consulting Engineers | Birmingham | 2 | 4 |
| Rand Associates Consultancy Services | Reigate | 2 | 4 |
| Watson Batty Architects | Leeds | 2 | 4 |
| Ibi Group | Didsbury | 2 | 3 |
| Malcolm Hollis | Edinburgh | 2 | 3 |
| Stride Treglown | Cardiff | 2 | 3 |
| Haskoningdhv | Manchester | 2 | 4 |
| Hurley Palmer Flatt | Glasgow | 2 | 3 |
| Adept Consulting Engineers | Leeds | 2 | 3 |
| Breakwell Sumner Partnership | Nottingham | 2 | 3 |