| Faithful Gould | Epsom, Leeds, Glasgow | 71 | 44 |
| AECOM | London, Edinburgh, Leeds | 21 | 137 |
| Turner & Townsend Project Management | Leeds, Glasgow | 10 | 13 |
| Currie & Brown | London, Edinburgh | 12 | 29 |
| Ridge & Partners | Woodstock, Liverpool | 12 | 38 |
| Rider Levett Bucknall | Birmingham, Wokingham, Sheffield | 10 | 21 |
| Ove Arup & Partners | London | 9 | 72 |
| Arcus Consulting | Sale, Greater Manchester | 9 | 16 |
| Curtins Consulting | Liverpool, Leeds | 9 | 16 |
| Si Sealy & Associates | Stockport | 5 | 3 |
| Robinson Low Francis | Glasgow, London, Stevenage | 11 | 14 |
| Pick Everard | Glasgow, Leicester | 9 | 16 |
| Gleeds Cost Management | London, Glasgow, Leeds | 9 | 5 |
| Align Property Partners | Northallerton | 7 | 15 |
| Wardell Armstrong | Glasgow, Stoke on Trent | 7 | 17 |
| WT Partnership | Croydon, London, Manchester | 7 | 5 |
| Armour Construction Consultants | Glasgow, Kilmarnock | 7 | 7 |
| Arcadis | London, Edinburgh, Lomdon | 6 | 79 |
| Gardiner & Theobald | Glasgow, London | 6 | 10 |
| Clancy Consulting | Glasgow, Altrincham, Cheshire | 6 | 6 |
| Bwa Europe | Leeds, London | 6 | 5 |
| CPC Project Services | London | 5 | 16 |
| Identity Consult | Sunderland, York | 5 | 8 |
| Singleton Clamp & Partners | Manchester | 4 | 5 |
| Services Design Associates | Sheffield | 7 | 3 |
| Atkins | Glasgow, Epsom | 6 | 128 |
| Hunter & Partners | London, Hammersmith and Fulham | 6 | 3 |
| David Narro Associates | Edinburgh | 6 | 6 |
| Ecd Architects | Glasgow | 6 | 6 |
| WSP | London, Glasgow | 5 | 132 |
| RPS Consulting Services | Abingdon | 5 | 23 |
| Stantec | Glasgow, Manchester, Frederick | 5 | 15 |
| Whiteleyeaves | Oldham, Manchester | 5 | 7 |
| Appleyard & Trew | Manchester, Sale | 5 | 3 |
| TCS Construction Consultants | Kilmarnock | 5 | 2 |
| Mott Macdonald | Croydon, Edinburgh | 4 | 60 |
| Aa Projects | Manchester | 4 | 11 |
| Capita Property & Infrastructure | Glasgow, London | 4 | 21 |
| Hickton Consultants | Barnsley, Elsecar | 4 | 6 |
| Sda Consulting | Manchester, Salford | 4 | 6 |
| Ecs Consultants | Cheadle, Cheshire | 4 | 6 |
| Mason Clark Associates | Hull, Leeds | 4 | 7 |
| Gleeds | Edinburgh, London, Glasgow | 4 | 3 |
| Pennington Choices | Cheshire West and Chester, Norcott Brook, Warrington | 3 | 18 |
| Cushman & Wakefield | London, Leeds | 3 | 16 |
| Couch Perry Wilkes | Solihull, London | 3 | 8 |
| PRP Architects | Surrey, Thames Ditton, London | 3 | 4 |
| Pozzoni Architecture | Altrincham, Cheshire | 3 | 2 |
| Hardies Property & Construction Consultants | Aberdeen, Edinburgh | 3 | 3 |
| Waterman Structures | London, Southwark | 6 | 6 |
| Calfordseaden | Orpington, London | 5 | 20 |
| Watson Batty Architects | Leeds | 5 | 4 |
| Collective Architecture | Glasgow | 5 | 2 |
| Anderson Bell Christie | Glasgow | 5 | 5 |
| Holmes Miller | Glasgow | 5 | 5 |
| Summers Inman | Edinburgh | 5 | 5 |
| Will Rudd Davidson | Edinburgh | 5 | 5 |
| Curtins | Liverpool | 4 | 6 |
| RG P | Leicester | 4 | 7 |
| Building Design Partnership | Manchester | 4 | 5 |
| Hurley Palmer Flatt | Glasgow | 4 | 3 |
| Austin Smith Lord | Cardiff, Glasgow | 4 | 2 |
| Axis M&E Consulting Engineers | Nottingham | 4 | 4 |
| Harley Haddow | Edinburgh | 4 | 4 |
| Img Quality Control | Yieldshields | 4 | 4 |
| Robert POTTER & Partners | Glasgow | 4 | 4 |
| Ross Quality Control | Stirling | 4 | 4 |
| Mace | London | 3 | 26 |
| Michael Dyson Associates | Holmfirth, Honley | 3 | 13 |
| Airey Miller | Sevenoaks, Kent | 3 | 13 |
| Lambert Smith Hampton | Glasgow, London | 3 | 11 |
| Ahr Building Consultancy | London, Huddersfield | 3 | 8 |
| Campbell Reith Hill | London | 3 | 7 |
| Summers Inman Construction & Property Consultants | Newcastle upon Tyne, Leeds | 3 | 7 |
| Bernard Taylor Partnership | Stockport | 3 | 5 |
| Anderton Gables | Preston | 3 | 4 |
| JNP Group Consulting Engineers | Brighouse | 3 | 4 |
| Elluc Projects | Warrington | 3 | 4 |
| Malcolm Hollis | Edinburgh, Manchester | 3 | 3 |
| Edge Property Solutions | Nottingham | 3 | 3 |
| RJD Associates North West | Padiham | 3 | 3 |
| Wilde Consultants | Stockport | 3 | 3 |
| Trent Architecture Design | Sheffield | 3 | 2 |
| Clerk of Works Inspection Services | Jeffrey Bank | 3 | 3 |
| Davie & Mcculloch | Glasgow | 3 | 3 |
| Doig & Smith | Glasgow, Edinburgh | 3 | 3 |
| Geo Info | Rosyth | 3 | 3 |
| Graham Sibbald | Edinburgh, Inverness | 3 | 3 |
| Hulley & Kirkwood Consulting Engineers | Glasgow | 3 | 3 |
| Kyle Smart Associates | Sewell, Bedfordshire | 3 | 3 |
| Scott Brownrigg | London, Dunfermline | 3 | 3 |
| Stuart Burke Associates | South Queensferry, Fife | 3 | 3 |
| Thomas & Adamson | Edinburgh | 3 | 3 |
| Wylie Shanks Architects | Glasgow | 3 | 3 |
| Carter Jonas | London | 2 | 21 |
| RSK Environment | Coventry, Bristol | 2 | 20 |
| WYG Engineering | Leeds | 2 | 17 |
| Jones Lang Lasalle | London, Leeds | 2 | 11 |
| NPS Property Consultants | Norfolk, Norwich | 2 | 10 |
| Hawkins Brown Design | London | 2 | 7 |