| A |
| Ash-Shahada Housing Association | Camberwell, no street on record | ash-shahada.org | +44 20 7326 7890 | |
| Ashton & Perkins | Romford, no street on record | | | |
| B |
| Barry Stewart & Sons Ltd | Barking, no street on record | barrystewart.co.uk | | |
| Bennett & Hall | Long Lane, Church End | | | |
| Bow Wharf Management Office | Mile End, no street on record | | | |
| C |
| Capital, Estates and Facilities Directorate | Denmark Hill, no street on record | | | |
| Chrisp Street Management Officenot edited since 2020 | Poplar, no street on record | | | |
| Cody Dock Office | Canning Town, no street on record | | | |
| Concierge | Mill Meads, no street on record | | | |
| Coronation Square Management Hub | Leyton, no street on record | | | |
| D |
| D’Eynsford Tenant Management Organisation | Camberwell, no street on record | deynsford.org | +44 20 7525 0745 | |
| Dagenham Green (Peabody) Sales Suite | Kent Avenue, Dagenham | dagenhamgreen.co.uk | +44 20 3906 1953 | |
| Davies Daniel | 305 Munster Road, Fulham | | | |
| E |
| Easy Properties London | 5 Turnpike Parade, Harringay | easypropertieslondon.co.uk | +44 20 8888 3556 | |
| Elite Business Centre | 215 Ley Street, Ilford | | | |
| Ellender Estates | 1a The Parade, Ealing | ellenderestates.co.uk | +44 20 8997 9123 | |
| Estate Office | 14 Dipper Drive, Bromley-by-Bow | | | |
| G |
| Gani Property Services | 74 Balham High Road, Balham | | | |
| I |
| Ideal Letting Homes | Ley Street, Ilford | | | |
| Imperial Construction Services | 291-293 High Street, Croydon | | | |
| Interstar Properties Ltd | New Cross Gate, no street on record | | | |
| J |
| Jennings and Barratt | Bexley Road, Northumberland Heath | | | |
| K |
| Karin Housing Association Ltd | 563 Roman Road, Old Ford | | +44207 392 9622 | |
| Keylink Properties | 372 Katherine Road, Plashet | | | |
| L |
| Leathermarket Joint Management Board | 26 Leathermarket Street, Bermondsey Village | leathermarketjmb.org.uk | | |
| London Tokyo property services | 2 Station Parade, Acton | london-tokyo.co.uk | +44 20 8992 6818 | |
| M |
| Marengo Management | 38 Spring Street, Paddington | marengomanagement.com | +44 20 7630 7630 | |
| MPM Property Maintenance | Romford, no street on record | | | |
| N |
| New Home | 2 Boileau Parade, Ealing | newhomeinlondon.co.uk | +44 20 3151 3251 | |
| Newlon Housing Trust | 4 Daneland Walk, Tottenham Hale | newlon.org.uk | | |
| P |
| Palace Gate Lettings | 80 Balham High Road, Balham | | | |
| Park Superintendent's Office | Upton, no street on record | | | |
| Prime Point Sales Suite | Greenwich Peninsula, no street on record | | | |
| Professional Property Management | Harringay, no street on record | | | |
| Property Solutions | 97 Movers Lane, Thames View | | | |
| Property Spot Services | Green Lane, Goodmayes | | | |
| Q |
| Queensbridge and De Beauvoir Neighbourhood Office | 31 De Beauvoir Road, De Beauvoir Town | | | |
| Quest Property Services | Highbury, no street on record | questproperties.co.uk | +44 20 7259 8011 | |
| Quintain Living Marketing Suite | 20 Olympic Way, Wembley | | | |
| S |
| SACO Apartament Company | 82 Lamb's Conduit Street, Holborn | | | |
| simply-maintained.com | 675a Fulham Road, Fulham | simply-maintained.com | +44 20 7100 0123 | |
| Sol Property Services | 11 The Village, Charlton | sol-properties.com | | |
| T |
| Tdorr | 320 Lee High Road, Lee | tdorr.co.uk | +448000564000 | |
| The Property Company | 72 Chase Side, Southgate | thepropertycompany.co.uk | +44 20 8348 8833 | |
| The Student Housing Company | 5-7 Mandeville Place, Marylebone | thestudenthousingcompany.com | +44 800 553 6677 | |
| Tudor Property Services | 42 Lampton Road, Hounslow | | | |
| V |
| Vistry South London | 2 Broadway, Stratford | | | |
| W |
| WebBeds | 8 Holmes Road, Kentish Town | | | |
| Wyke Estate Office | 10 Wick Road, Hackney | wykehousing.co.uk | +44 20 8533 6077 | |
| Y |
| Your Future Aberfeldy | 43 Aberfeldy Street, Poplar | | | |