| Wates Construction | Leatherhead, Mole Valley, Surrey | 28 | 24 |
| Vistry Partnerships | London, West Malling, West Mailling | 12 | 3 |
| Mclaren Construction | Brentwood, Essex, Brentwood Esses | 9 | 3 |
| Bugler Developments | Rickmansworth, Hertfordshire, Southwest Hertfordshire | 8 | 3 |
| Midgard | Borehamwood, Hertfordshire, Southern Hertfordshire | 8 | 3 |
| Glenman Corporation | Chiswick, London | 8 | 2 |
| Durkan | Borehamwood | 8 | 8 |
| John Graham Construction | Hillsborough, London, Down | 5 | 21 |
| Bouygues | London | 6 | 9 |
| Engie Regeneration | Newcastle upon Tyne | 5 | 40 |
| Neilcott Construction | Kent, Orpington, London | 5 | 5 |
| Rydon Construction | Forest Row, East Sussex | 5 | 4 |
| Interserve Construction | Birmingham, Interserve Construction Limited, West Midlands | 3 | 14 |
| Lovell Partnerships | London | 5 | 12 |
| Hill Partnerships | Waltham Abbey | 5 | 6 |
| United Living South | Swanley | 5 | 5 |
| Henry Construction Projects | Cramford, Cranford | 5 | 3 |
| Claritas Group | Bromley | 5 | 2 |
| Kingsbury Construction | London | 5 | 5 |
| D Brown Building Contractors | Spalding, Spandling | 4 | 4 |
| Real Lse | Covent Garden, London | 4 | 4 |
| Thakeham Partnerships | Billingshurst, West Sussex | 4 | 4 |
| Novus Property Solutions | Stoke on Trent | 3 | 32 |
| Gelder | Lincoln | 3 | 20 |
| Mulalley | Woodford Green, London | 3 | 13 |
| Midas Construction | Exeter, Bristol | 3 | 11 |
| P Casey | Rochdale | 3 | 3 |
| Esh Construction | Durham | 2 | 34 |
| MITIE Property Services | Middlesbrough, Swindon | 2 | 23 |
| Seddon Construction | Bolton, Altro | 2 | 20 |
| J Tomlinson | Birmingham, Nottingham | 2 | 16 |
| Kier Construction | Manchester, Sandy | 2 | 16 |
| Morris & Spottiswood | Glasgow, Glasgow City | 2 | 7 |
| RG Carter Cambridge | Norfolk, Norwich | 2 | 13 |
| Speller Metcalfe Malvern | Malvern | 2 | 4 |
| GF Tomlinson Building | Little Eaton, Little Eaton Derby | 2 | 3 |
| Karmo | Ashton under Lyne, Tameside | 2 | 2 |
| Conamar Building Services | Herts, Stevenage | 2 | 2 |
| Feltham Construction | Newbury, Berkshire | 2 | 2 |
| Galliford Try Construction | Middlesex, Uxbridge | 2 | 2 |
| Thomas Sinden | Harold Wood | 3 | 8 |
| Stack London | Basildon | 3 | 4 |
| Geoffrey Osborne | Reigate | 3 | 3 |
| Lindum Group | Lincoln | 2 | 25 |
| TSG Building Services | Hertfordshire | 2 | 16 |
| A Connolly | Wigan | 2 | 10 |
| Ew Beard | Swindon | 2 | 8 |
| United Living North | Swanley | 2 | 6 |
| Termrim Construction | Huddersfield | 2 | 6 |
| Jeakins Weir | Corby | 2 | 5 |
| J Harper & Sons Leominster | Brierley Hill | 2 | 4 |
| Buxton Building Contractors | Surrey | 2 | 7 |
| Robert Woodhead | Mansfield | 2 | 5 |
| Crestra | Doncaster | 2 | 4 |
| Welch & Phillips Building Contractors | Shrewsbury | 2 | 3 |
| Westshield | Bolton | 2 | 3 |
| Saul Construction | Barnsley | 2 | 2 |
| Wildgoose Construction | Alfreton | 2 | 2 |
| Ardmore Construction | London | 2 | 2 |
| Bennett Construction | London | 2 | 2 |
| Complete Construction & Design | Leeds | 2 | 2 |
| Denton Construction & Electrical | Salford | 2 | 2 |
| HG Construction | Hitchin | 2 | 2 |
| Higgins Partnership 1961 | Loughton | 2 | 2 |
| Mercer Building Solutions | Desford | 2 | 2 |
| Real SW | London | 2 | 2 |
| Syntec Projects | London | 2 | 2 |
| Whitfield & Brown Developments | Widnes | 2 | 2 |
| Bell Decorating Group | Orpington | 1 | 33 |
| Openview Security Solutions | Boldon Colliery | 1 | 33 |
| Breyer Group | Romford | 1 | 19 |
| VINCI Construction | Watford | 1 | 23 |
| Willmott Dixon Construction | Surrey | 1 | 16 |
| Bam Construction | Hempstead | 1 | 16 |
| Overbury | Greater London | 1 | 18 |
| Dodd Group Midlands | Telford | 1 | 11 |
| Morgan Sindall Construction & Infrastructure | London | 1 | 11 |
| DFP Services | Durham | 1 | 12 |
| Kier Services | Sandy | 1 | 12 |
| F Parkinson | Blackpool | 1 | 9 |
| Hodgson Sayers | Stanley | 1 | 9 |
| Bowmer Kirkland | Derbyshire | 1 | 9 |
| John Flowers | Washington | 1 | 9 |
| Liberty Gas Group | Liverpool | 1 | 11 |
| British Gas Social Housing | Runcorn | 1 | 7 |
| Conlon Construction | Preston | 1 | 5 |
| Mclaughlin Harvey | County Antrim | 1 | 5 |
| Caddick Construction | West Yorkshire | 1 | 5 |
| Carmelcrest | Bishops Stortford | 1 | 5 |
| Anglian Windows | Norwich | 1 | 4 |
| Eric Wright Construction | Preston | 1 | 4 |
| Rothwell Plumbing Services | Wigan | 1 | 7 |
| Balfour Beatty | Holytown | 1 | 5 |
| Pacifica Home Services | Houghton le Spring | 1 | 5 |
| Springs Roofing | Chester le Street | 1 | 5 |
| Crown Flooring | Burtonwood | 1 | 5 |
| Diamond Build | London | 1 | 5 |
| Ashe Construction | Herts | 1 | 4 |
| Sekura Trade Frames | Washington | 1 | 4 |
| Skanska Construction | Hertfordshire | 1 | 3 |