| 00629114 Limited | Wholesale & retail | 1959 |
| 05133697 Limited | Health & social care | 2004 |
| 10 Rosslyn Crescent Management Company Limited | Real estate | 2006 |
| 1001 Services Limited | | 1991 |
| 107 Station Road, Hampton Management Company | Professional & scientific | 1993 |
| 11 Byron Hill Road Management Limited | Households | 1988 |
| 11H Limited | Other services | 2024 |
| 12 Elmers Drive Management Company Limited | Administrative & support | 2002 |
| 12 Sidney Road (Freehold) Limited | Real estate | 2007 |
| 121 Services Group Limited | Health & social care | 2020 |
| 12345 Limited | Professional & scientific | 1999 |
| 13 Althorpe Road Limited | Hospitality | 2005 |
| 13 Ferry Road, (Teddington) Residents Management Limited | Households | 1991 |
| 13 Hampton Road Limited | Professional & scientific | 1987 |
| 139/141 Windmill Road Management Limited | Real estate | 2002 |
| 14 Cambridge Park Limited | Households | 2001 |
| 14 Riverdale Road Residents' Association Limited | Households | 1996 |
| 14TOWERS Limited | Real estate | 2019 |
| 16 Ickenham Road Management Company Limited | Households | 1992 |
| 17 the Barons Limited | Households | 2010 |
| 173 French Street Limited | Households | 1995 |
| 178 Holland Road Management Limited | Households | 1992 |
| 18 Holland Road Ltd | Real estate | 2018 |
| 19 Princes Road Management Limited | Households | 2005 |
| 19/20 Ruislip Close (Management Company) Limited | Households | 1999 |
| 192 Burrage Road Company Limited | Administrative & support | 2003 |
| 1943 Investments Ltd | Other services | 2017 |
| 1ST Care Limited | Other services | 2001 |
| 1ST Property Management and Services Ltd | Real estate | 2014 |
| 2 & 2A Heath Road Limited | Households | 2002 |
| 2 CV Workshop Limited | | 1980 |
| 2 Erncroft Way Management Limited | Households | 1993 |
| 2-MEDABEL Limited | Professional & scientific | 2005 |
| 202-204 Amyand Park Road (Twickenham) Limited | Households | 1994 |
| 21ST Century Trading Limited | Wholesale & retail | 1992 |
| 23 Dollis Road Management Limited | Professional & scientific | 2002 |
| 23 the Barons Management Limited | Real estate | 1999 |
| 25 Marlborough Hill Limited | Households | 2005 |
| 25-28 Meadway Gardens Freehold Ltd | Households | 2023 |
| 25TH Century Limited | Wholesale & retail | 2004 |
| 26 QR Twickenham Management Company Limited | Households | 2000 |
| 27 ST. Margarets Road Limited | Households | 2006 |
| 29 Hampton Road Ltd | Households | 2005 |
| 290B Limited | Construction | 2015 |
| 2CARE4 Pharma Limited | Wholesale & retail | 2026 |
| 2D: 3D Limited | Manufacturing | 1994 |
| 2SQU4RE Limited | Real estate | 2022 |
| 3 C Investment Financial Ltd | Wholesale & retail | 2012 |
| 3 Cambridge Park Management Limited | Real estate | 1994 |
| 3 Knights (Management) Limited | Construction | 2001 |
| 3/3A Lansdowne Road Harrow on the Hill (Freehold) Limited | Real estate | 1998 |
| 317 Richmond Road Management Limited | Administrative & support | 1990 |
| 32 Brighton Road Management Company Limited | Real estate | 1991 |
| 323 Richmond Road Management Company Limited | Households | 2006 |
| 33 Kent Gardens Management Company Limited | Households | 1998 |
| 33 SSG Management Company Limited | Households | 1995 |
| 34 Hillingdon Road Limited | Administrative & support | 1982 |
| 34 Rutland Gate Limited | Real estate | 1993 |
| 340 City Road Management Company Limited | Households | 1998 |
| 36 Barn Rise Limited | Professional & scientific | 1993 |
| 36 Beech Avenue, Eastcote, Middlesex Limited | Real estate | 2000 |
| 36 Northolme Road Limited | Real estate | 1993 |
| 365 Media Group Limited | Professional & scientific | 2001 |
| 365CHAUFFEURS.COM Limited | Transport & logistics | 2000 |
| 39 Twickenham Road (Flat Management Company) Teddington TW11 Limited | Households | 2002 |
| 390A Richmond Road Management Company Limited | Households | 2001 |
| 3B Commercial Investments Ltd | Real estate | 2021 |
| 3E Consultants Limited | Professional & scientific | 2006 |
| 3SK Ltd | Real estate | 2025 |
| 3SL Properties Limited | Real estate | 2017 |
| 4 Leaf Clover Property Limited | Real estate | 2024 |
| 4 Murray Road Limited | Households | 1991 |
| 40-43 the Grove Teddington Residents Company Limited | Extraterritorial | 2001 |
| 41 Cresswell Road Management Company Limited | Households | 1985 |
| 42 Chester Road Limited | Real estate | 1994 |
| 45 Marlborough Hill Limited | Real estate | 2006 |
| 47 First Avenue Limited | Administrative & support | 2005 |
| 47 Windsor Road (Ealing) Management Company Ltd. | Households | 1998 |
| 4D Computer Graphics Limited | | 1986 |
| 4EVER Constructions Ltd | Construction | 2006 |
| 4G Solutions Ltd | Information & communication | 2001 |
| 5 Croham Valley Road Ltd | Real estate | 2020 |
| 5 Elmers Drive Limited | Households | 1998 |
| 5 Fractures Ltd | Education | 2006 |
| 5 Station Road Residents Association Limited | Extraterritorial | 1998 |
| 5 Wood Construction Limited | Construction | 2003 |
| 50 Brondesbury Villas Limited | Households | 1997 |
| 51 Wellington Road Limited | Real estate | 1999 |
| 52 Delancy Street Management Limited | Real estate | 2002 |
| 54 North END Road Limited | Real estate | 2001 |
| 56 Corwell Lane (Management) Limited | Extraterritorial | 2006 |
| 59 Design Ltd | Arts & recreation | 2014 |
| 5TH-AXIS Limited | Professional & scientific | 2003 |
| 6 Crown Road Management Company Ltd | Real estate | 2005 |
| 6-8 the Grove Management Limited | Administrative & support | 1978 |
| 62 Sandringham Crescent Management Co Ltd | Professional & scientific | 2005 |
| 65 Eton Avenue Residents RTM Company Limited | Real estate | 2004 |
| 65 Holcroft Ltd | Real estate | 2005 |
| 65 Robin Hood Way Management Limited | Households | 1987 |
| 69 Woodlands Road Management Limited | Households | 1998 |