| A |
| AC1 Bespoke Finishesnot edited since 2022 | 19 The Bridge, Wealdstone | | | |
| AFL Construction | 383 Durnsford Road, Southfields | aflconstruction.co.uk | | |
| Alexa Developments Ltd | 196 Halfway Street, Halfway Street | alexadevelopments.com | | |
| Alrimo Construction | Burford Road, Stratford | | | |
| Alter Ego Projects | 123 Dawes Road, Fulham | alteregoprojects.co.uk | | |
| Alyas & BMT | Merton Park, no street on record | bmtrenovation.co.uk | | |
| Art & Build Ltd | 93 Croydon Road, Beddington | artbuildltd.co.uk | | |
| B |
| B&N Building | Marylebone, no street on record | bnbuildingltd.co.uk | | |
| B.E.L. Group | 127 Eastern Avenue, Redbridge | belgroup.co.uk | | |
| Barneswoodnot edited since 2022 | 44 White Hart Lane, Barnes | barneswoodltd.com | | |
| BH Builder & Handymannot edited since 2020 | Clapham Junction, no street on record | | | |
| BH Builder & Handyman Fulhamnot edited since 2016 | Fulham, no street on record | | | |
| BNM Builders ltd | Maryland, no street on record | | | |
| Brygola Construction | Leyton, no street on record | | | |
| C |
| C. Anderson & Sons | 25-27 Filmer Road, Fulham | andersonandsons.co.uk | | |
| Chadwell | Romford, no street on record | chadwell.co.uk | | |
| Chambers Design & Buildnot edited since 2018 | 24b The Parade, Carshalton | | | |
| D |
| Dakin Service Station Contractors Ltdnot edited since 2018 | 128-130 Church Street, Croydon | | | |
| Davies & Daughters Building Contractorsnot edited since 2018 | Roman Way Industrial Estate, Roman Way, Barnsbury | | | |
| Debonair Group | Hanwell, no street on record | | | |
| DMR Building Service Ltdnot edited since 2021 | 48 Avenue Road, Crook Log | | | |
| E |
| Eli Refurbishments | 29 Oldchurch Road, Romford | elirefurbishments.co.uk | | |
| Environ Property Services | 33-39 Parsons Green Lane, Fulham | environpropertyservices.co.uk | | |
| Extend | 320 Munster Road, Fulham | | | |
| G |
| G Constructionnot edited since 2022 | Strand-on-the-Green, no street on record | | | |
| Grafton Brickwork | 100 Station Road, Chingford | graftonbrickwork.com | | |
| H |
| Horton Builders | 181 Petts Wood Road, Petts Wood | | | |
| House Renovationnot edited since 2021 | 157 North End Road, West Kensington | house-renovation.co.uk | | |
| I |
| interholc | 99 Bell Street, Paddington | | | |
| J |
| Jaaz Building Contractors | 137 Stafford Road, South Beddington | | | |
| K |
| Keir & Buildbasenot edited since 2018 | Roman Way Industrial Estate, Roman Way, Barnsbury | | | |
| KHF Maintenance | 214 Francis Road, Leyton | | | |
| KNK Building Services Ltd | 10 Morden Road, Mitcham | | | |
| L |
| LMB Loft Conversionsnot edited since 2018 | 167 Shirley Road, Shirley | | | |
| M |
| Marlin Contract Services | Raynes Park, no street on record | marlincontractservices.co.uk | | |
| MoreSpace Basements | 112 Gunnersbury Avenue, Acton | | | |
| N |
| New Build Maintenance | 23 Nuxley Road, Lessness Heath | newbuildmaintenance.co.uk | | |
| P |
| P.P.M. Specialist Works | 8 Filmer Road, Fulham | | | |
| Patterson Constructionnot edited since 2020 | Hanwell, no street on record | | | |
| Peter John and co | 101 Bell Street, Paddington | | | |
| PN Tiling and Flooring | Leytonstone, no street on record | | | |
| R |
| Rated Builders London | Fitzroy Street, Fitzrovia | ratedbuilderslondon.co.uk | | |
| Regent Land & Developments | 266 Selsdon Road, Croydon | regentland.co.uk | | |
| Renovations Team Ltd | 517 Old York Road, Wandsworth | renovationsteam.co.uk | | |
| Roxburgh Construction | 33-39 Parsons Green Lane, Fulham | roxburghconstruction.co.uk | | |
| T |
| TC&D Construction | 1A Station Road, Sidcup | tcdconstruction.co.uk | | |