| 00026461 Limited | Professional & scientific | 1888 |
| 10 Compayne Gardens Ltd | Real estate | 2007 |
| 102 Broadway Limited | Real estate | 2016 |
| 11 MAY Terrace Freehold Ltd | Real estate | 2024 |
| 12 Sutherland Avenue Freehold Limited | Real estate | 2008 |
| 13 Pictures Ltd | Information & communication | 2020 |
| 1311 Content Limited | Information & communication | 2021 |
| 134HS Ltd | Real estate | 2025 |
| 14 Ladysmith Road Limited | Real estate | 2007 |
| 14/16 Church Street Management Company Limited | Households | 2004 |
| 142A to 146A New Road Croxley Green Management Co Ltd | Households | 2019 |
| 15 Colinette Road Freehold Limited | Real estate | 2008 |
| 17 Park Road Rickmansworth Freehold Company Limited | Other services | 2014 |
| 17 Park Road Rickmansworth RTM Company Limited | Households | 2008 |
| 17 SGR Limited | Construction | 2021 |
| 17 Stanley Gardens Limited | Real estate | 1999 |
| 18 Greenaway Gardens (Management) Limited | Real estate | 1989 |
| 193-199 High Street Sutton Limited | Construction | 2020 |
| 1ST Car Imports Limited | Administrative & support | 2008 |
| 2-4 White's ROW Management Limited | Households | 2004 |
| 21 Marloes Road Management Company Limited | Real estate | 2013 |
| 2109 Solutions Ltd | Information & communication | 2023 |
| 23 Great Western Road Limited | Real estate | 2010 |
| 24 Kilkie Street Freehold Limited | Households | 2017 |
| 25TH Century FOX Limited | Construction | 2015 |
| 26 Belsize Square Limited | Households | 2013 |
| 29-34 P.A.C. Management Company Limited | Households | 1987 |
| 2ABM UK Limited | Real estate | 2015 |
| 2EM Limited | Professional & scientific | 2015 |
| 3 Ginger Ltd | Information & communication | 2015 |
| 30 Penn House Management Company Limited | Households | 2024 |
| 30 Selborne Road Management Company Limited | Households | 2008 |
| 31 & 33 Green Street Management Company Ltd | Real estate | 2025 |
| 31 Seward Street (London) Limited | Real estate | 2007 |
| 31 Storeys Limited | Construction | 2018 |
| 32 Property Services Limited | Real estate | 2025 |
| 321 Leader Limited | Information & communication | 2015 |
| 33 Pheasants Consulting Ltd | Professional & scientific | 2016 |
| 34 Clarendon Road Redland Bristol Management Company Limited | Households | 1991 |
| 34 Glazbury Road Limited | Households | 2001 |
| 34 Roland Gardens Freehold Limited | Households | 2018 |
| 35 Christchurch Avenue Freehold Company Limited | Households | 2021 |
| 36 Eton Avenue Limited | Real estate | 1996 |
| 365 Consultants Limited | Information & communication | 2016 |
| 37A Redington Road Management Company Limited | Real estate | 2005 |
| 37B Millharbour Limited | Administrative & support | 2015 |
| 38 Eastbury Avenue Developments Limited | Real estate | 2018 |
| 38/44 ST Ann's Harrow Limited | Real estate | 2018 |
| 39 Addison Gardens (Management) Limited | Households | 2002 |
| 390 Old London Road ORE Limited | Professional & scientific | 2008 |
| 3D Growth UK Limited | Information & communication | 2016 |
| 3GSENSE Ltd | Information & communication | 2023 |
| 3PMO Ltd | Real estate | 2009 |
| 4 Readiness Ltd | Administrative & support | 2013 |
| 40 Lewin Road Limited | Construction | 2017 |
| 40-42 West Way (Freehold) Limited | Real estate | 2024 |
| 43-45 Malvern Way Limited | Real estate | 2013 |
| 46-48 Green Street Limited | Households | 2004 |
| 47 Loates Lane RTM Company Limited | Households | 2023 |
| 48 & 50 Cathcart Road Freehold Limited | Households | 2024 |
| 49 Addison Gardens Limited | Real estate | 1997 |
| 4CORNERNETWORKS Ltd | Information & communication | 2012 |
| 4MATION Holdings Ltd | Administrative & support | 2024 |
| 5 Sinclair Gardens Residents Association Limited | Households | 1991 |
| 53 Fitzjohns Avenue Management Company Limited | Real estate | 2000 |
| 53 Kingsgate Road Limited | Hospitality | 2013 |
| 5ULTAN Trading (UK) Limited | Wholesale & retail | 2022 |
| 6 Alpha Associates Limited | Financial services | 2004 |
| 60 Fellows Road London Limited | Households | 2017 |
| 60 Guilford Avenue Limited | Households | 2013 |
| 60 Strategies Ltd | Information & communication | 2016 |
| 61 Parliament Hill Limited | Real estate | 2001 |
| 62/63 Belsize Park Flat Management Company Limited | Households | 1976 |
| 72 Stars Ltd | Transport & logistics | 2025 |
| 75 Belsize Park Management Limited | Households | 2017 |
| 79 Stories Limited | Information & communication | 2015 |
| 8 ARC Ltd | Professional & scientific | 2025 |
| 804 Tech Ltd | Information & communication | 2025 |
| 815AM Ltd | Wholesale & retail | 2018 |
| 82 Clova Road Limited | Households | 2018 |
| 85 Lansdowne Place (Hove) Limited | Real estate | 2015 |
| 9 Humbolt Road Freehold Limited | Households | 2018 |
| 91 Priory Road Limited | Real estate | 2011 |
| 93BARAKA Ltd | Manufacturing | 2025 |
| 9TH BIT Solutions UK Ltd | Information & communication | 2017 |
| A & J Complete Construction Ltd | Construction | 2021 |
| A & T Roofing Ltd | Construction | 2015 |
| A and S Reliable Repairs Limited | Hospitality | 2025 |
| A Bajrangee Limited | Professional & scientific | 2019 |
| A C Fabrications & Pipework (Petrochemicals) Limited | Professional & scientific | 1949 |
| A Chronus UK Ltd | Wholesale & retail | 2015 |
| A Esmail Medical Ltd | Health & social care | 2022 |
| A Fraser Care 2 Limited | Administrative & support | 2023 |
| A Fraser Care Limited | Administrative & support | 2022 |
| A London International Limited | Hospitality | 2017 |
| A Obolenskaya Limited | Arts & recreation | 2021 |
| A Place in the Sun Currency Limited | Financial services | 2008 |
| A Slice of KIM Ltd | Other services | 2022 |
| A Squared Construction Limited | Construction | 2025 |
| A Star Binding Supplies Ltd | Wholesale & retail | 2012 |