| Willmott Dixon Construction | Letchworth Garden City, Letchworth, Bristol, City of | 33 | 16 |
| Seddon Construction | Bolton, West Midlands | 5 | 20 |
| Morgan Sindall Construction & Infrastructure | London, West Midlands | 5 | 11 |
| VINCI Construction | Watford, Hertfordshire | 4 | 23 |
| Kier Construction | Sandy | 4 | 16 |
| Novus Property Solutions | Stoke on Trent, Staffordshire | 3 | 32 |
| M&J Group Construction & Roofing | Bedford | 3 | 3 |
| Sir Robert Mcalpine | Dacorum, Hemel Hempstead | 3 | 3 |
| Engie Regeneration | Newcastle upon Tyne, Newcastle | 2 | 40 |
| John Graham Construction | London, County Down | 2 | 21 |
| ISG Construction | West Midlands, London | 2 | 7 |
| Speller Metcalfe | Worcestershire, Malvern | 2 | 3 |
| Thakeham Client | Billingshurst, West Sussex | 2 | 2 |
| Geoffrey Osborne | Reigate | 2 | 2 |
| Morgan Sindall Consortium R1 A B C D E F G H I R2 A B C D E F G H I R3 A B C D E F G H I R4 A B C D E F G H I R5 A B C D E F G H I R6 A B C D E F G H I R7 A B C D E F G H I | London | 2 | 2 |
| Contract Services South Wales | Port Talbot | 2 | 2 |
| Henstaff Construction | Swansea | 2 | 2 |
| Atkins | Epsom | 1 | 128 |
| Esh Construction | County Durham | 1 | 34 |
| Wates Construction | Surrey | 1 | 24 |
| Lindum Group | Lincoln | 1 | 25 |
| Interserve Construction | Birmingham | 1 | 14 |
| Mulalley | London | 1 | 13 |
| Kier Services | Bedfordshire | 1 | 12 |
| Lovell Partnerships | London | 1 | 12 |
| Midas Construction | Exeter | 1 | 11 |
| F Parkinson | Blackpool | 1 | 9 |
| Galliford Try Building | Middlesex | 1 | 7 |
| Robertson Construction Group | Stirlingshire | 1 | 11 |
| Farrans Construction | Dunmurry | 1 | 7 |
| Hill Partnerships | Waltham Abbey | 1 | 6 |
| Neilcott Construction | London | 1 | 5 |
| J Greenwood Builders | Chadderton | 1 | 5 |
| Spie | London | 1 | 5 |
| Interclass | Wolverhampton | 1 | 5 |
| Diamond Build | London | 1 | 5 |
| Speller Metcalfe Malvern | Malvern | 1 | 4 |
| Rydon Construction | East Sussex | 1 | 4 |
| GF Tomlinson Building | Derby | 1 | 3 |
| Herbert T Forrest | Bolton | 1 | 3 |
| Bugler Developments | Southwest Hertfordshire | 1 | 3 |
| Higgins Construction | Essex | 1 | 3 |
| Midgard | Southern Hertfordshire | 1 | 3 |
| Vistry Partnerships | West Malling | 1 | 3 |
| Eg Carter | Gloucester | 1 | 2 |
| Jarvis Contracting | Hertfordshire | 1 | 2 |
| John Turner Construction Group | Preston | 1 | 2 |
| Mountjoy | Portsmouth | 1 | 2 |
| Queensberry Real Estate | London | 1 | 2 |
| Manchester & Cheshire Construction | Salford | 1 | 10 |
| Kaberry Construction | Heywood | 1 | 2 |
| Shaylor Group | West Midlands | 1 | 2 |
| Drew Smith | West Malling | 1 | 3 |
| City Build Manchester | Preston | 1 | 2 |
| Glenman Corporation | London | 1 | 2 |
| Argon Property Development Solutions | Newcastle upon Tyne | 1 | 1 |
| Aura Newcastle | Hemel Hempstead | 1 | 1 |
| BJF Group | Kent | 1 | 1 |
| Bruntwood Development Holdings | Manchester | 1 | 1 |
| Capital & Centric | Manchester | 1 | 1 |
| Cityheart | Chester | 1 | 1 |
| by Development | London | 1 | 1 |
| Doswell Projects | Winchester | 1 | 1 |
| Equitix | London | 1 | 1 |
| Feltham Construction | Berkshire | 1 | 1 |
| Galliford Try Construction | Uxbridge | 1 | 1 |
| GF Tomlinson Group | Derby | 1 | 1 |
| Godwin Development Holdings | Nottingham | 1 | 1 |
| Goldbeck Construction | Birmingham | 1 | 1 |
| Helena Partnerships | St Helens | 1 | 1 |
| Helix Construct | Berkshire | 1 | 1 |
| Henry Boot Developments | Sheffield | 1 | 1 |
| Heron Property | Draperstown | 1 | 1 |
| Hill Holdings | Waltham Abbey | 1 | 1 |
| Interclass Holdings | Wolverhampton | 1 | 1 |
| Ion Property Developments | Liverpool | 1 | 1 |
| Kajima Europe | London | 1 | 1 |
| Keepmoat Regeneration | Doncaster | 1 | 1 |
| Kier Construction Southern | West Sussex | 1 | 1 |
| Kier Property Developments | Manchester | 1 | 1 |
| Kind Diamond Build Consortium | Middlesex | 1 | 1 |
| Lakehouse Contracts | Essex | 1 | 1 |
| Life Build Solutions | London | 1 | 1 |
| Management & Construction Services | Surrey | 1 | 1 |
| Manley Construction | Meath | 1 | 1 |
| Markey Construction | Hardwicke | 1 | 1 |
| MBC Building Contractor NW | Glossop | 1 | 1 |
| Mcgoff Construction | Altrincham | 1 | 1 |
| Morgan Sindall Consortium R8 A B C D E F G H I | London | 1 | 1 |
| Pick Everard R2 J R3 J R5 J R6 J R7 J R8 J R10 J R11 J | Leicester | 1 | 1 |
| Pick Everard R2 J R3 J R5 J R6 J R8 J | Leicester | 1 | 1 |
| Pick Everard R3 C D E | Leicester | 1 | 1 |
| Pick Everard R3 C R4 C R6 C | Leicester | 1 | 1 |
| Pick Everard R4 C | Leicester | 1 | 1 |
| Prime | Worcester | 1 | 1 |
| Sir Robert Mcalpine Capital Ventures | Hemel Hempstead | 1 | 1 |
| Spe Contracts | Belfast | 1 | 1 |
| Summerhill Services | Birmingham | 1 | 1 |
| VINCI UK Developments | Watford | 1 | 1 |
| Warden Construction | Preston | 1 | 1 |