| # |
| 21st Architecturenot edited since 2021 | 314 Goswell Road, Angel | 21starchitecture.com | | |
| 231 Old Kent Road | Old Kent Road, no street on record | | | |
| A |
| A2 Studio | 106-108 High Street, Hornsey | a2studio.co.uk | +44 2079 989 066 | |
| Adam Khan Architectsnot edited since 2018 | 45 Vyner Street, Bethnal Green | | | |
| Alexander Maltby | Clapham Junction, no street on record | alexandermaltby.com | | |
| All Done | 77 Colney Hatch Lane, Colney Hatch | alldone.com | +44 20 8442 0465 | |
| AR Urbanism | 3 Plough Yard, Spitalfields | ar-urbanism.com | | |
| Arc 3 Architecture & Surveyors | 101 Station Road, West Wickham | | +44 20 8777 4000 | |
| archi.tile | Barbican, no street on record | | | |
| Architectural & Property Services | 157 Forest Road, Higham Hill | | | |
| Architecture Center Ltd | 223 Regent Street, Soho | architecture-center.com | +44 20 3598 3287 | |
| Ayad Al-Tuhafi ltd | 60 Upper Montagu Street, Marylebone | | | |
| B |
| BDL | 207 Ley Street, Ilford | | | |
| Bloomsbury Design | 61b Judd Street, King's Cross | | | |
| Bolans Architects | 51 London Road, Forest Hill | bolansgroup.com | +44 20 8699 5676 | |
| Brooks Murray Architectsnot edited since 2021 | 8-10 New North Place, Shoreditch | brooksmurray.com | +44 20 7739 9955 | |
| C |
| Clive Christian | 1 Sydney Place, Brompton | clivechristianfurniture.com | +44 20 3959 1060 | |
| Cross Works | 1 Bonny Street, Camden Town | cross-works.com | +44 20 7916 1827 | |
| csarchitects | 610 Kingston Road, Raynes Park | csarchitects.co.uk | +44 20 8540 8049 | |
| D |
| Darling Associates Architectsnot edited since 2016 | 1 Greencoat Street, Victoria | darlingassociates.net | | |
| David Collins Studio | 74 Farm Lane, Lot's Village | davidcollins.studio | +44 20 7835 5000 | |
| De Rossa Sa | 87 Notting Hill Gate, Notting Hill | deroseesa.com | +44 20 7221 5495 | |
| dRAW Architecture | 340 Old York Road, Wandsworth | | | |
| DSDHA | 357 Kennington Lane, Vauxhall | dsdha.co.uk | +44 20 7703 3555 | |
| E |
| E&E Architects - Educational & Residential Design | Fifth Floor, Building 7 566 Chiswick Park, Chiswick High Rd, Chiswick | eearchitects.com | +44 20 3714 2704 | |
| Elysium Diem | 20 Blenheim Terrace, St. John's Wood | | | |
| Encompass | 338 Garratt Lane, Earlsfield | | | |
| EPR Architects | Austral Street, Elephant and Castle | epr.co.uk | | |
| F |
| Failden Fowles | 8 Royal Street, Lambeth | feildenfowles.co.uk | +44 20 7033 4594 | |
| Feix and Merlinnot edited since 2020 | 133 Rye Lane, Peckham | feixandmerlin.com | +44 20 3745 8676 | |
| First Design Solutions | Corbets Tey, no street on record | | | |
| Foster+ Partners | Chelsea, no street on record | | | |
| G |
| GBP Architects | Teddington, no street on record | | | |
| Gebow Design & Build | Culmore Road, New Cross Gate | | | |
| Giles Pike | 537 Battersea Park Road, Battersea | | | |
| H |
| Haworth Tompkinsnot edited since 2021 | 74A Holmes Road, Kentish Town | | | |
| Hi-Spec Design | 677-679 Fulham Road, Fulham | hi-specdesign.com | +44 20 7736 9098 | |
| Hilleard Developmentsnot edited since 2021 | Elmers End, no street on record | | | |
| HK Architects | High Street, High Barnet | | | |
| HLM Architects | 46 Loman Street, Southwark | hlmarchitects.com | | |
| Hodgkinson Design | 29 Alexander Street, Westbourne | hodgkinson-design.co.uk | +44 20 7221 7557 | |
| HTA Design LLP | 75 Wallis Road, Hackney Wick | hta.co.uk | +44 20 7485 8555 | |
| Hughes Developments | 15 Falcon Court, Summerstown | hughesdesignandbuild.com | | |
| J |
| J.LEO Architecture | 60 High Street, New Malden | | | |
| Jameson Architectural Surveyors | 46 Chipstead Valley Road, Coulsdon | | | |
| L |
| LBMV Architects | 72 Haverstock Hill, West Kentish Town | lbmvarchitects.com | | |
| M |
| Michael Jones Architects | 129 Kew Road, Richmond | | | |
| N |
| Nick Baker Architects | 6 Bakers Yard, Clerkenwell | nickbakerarchitects.co.uk | | |
| S |
| Spparc Architecture | 10 Bayley Street, Bloomsbury | spparcstudio.com | | |
| T |
| Teatum & Teatumnot edited since 2021 | 79 Askew Road, Shepherd's Bush | teatumandteatum.com | +44 20 8746 7497 | |