| 65 Harberton Road Freehold Ltd | Households | 2025 |
| 65 Harlesden Gardens Limited | Real estate | 2016 |
| 65 Hemstal Road Limited | Households | 2017 |
| 65 Heyford Avenue Limited | Extraterritorial | 2008 |
| 65 Holland Road Limited | Real estate | 2002 |
| 65 Holmes Road (NO.2) Limited | Real estate | 2019 |
| 65 Huddleston Road Management Company Ltd. | Households | 2001 |
| 65 Ickburgh Road Management Company Limited | Households | 2019 |
| 65 Kellett Road (Freehold) Limited | Households | 2009 |
| 65 Kensington Gardens Square Limited | Real estate | 1990 |
| 65 Leigham Vale RTM Company Limited | Professional & scientific | 2011 |
| 65 Lord Kensington House Limited | Real estate | 2020 |
| 65 Miles Limited | Administrative & support | 2024 |
| 65 Montpelier Road RTM Company Limited | Households | 2024 |
| 65 Muswell Hill RTM Company Ltd | Households | 2020 |
| 65 Nightingale Lane Limited | Households | 1995 |
| 65 Onslow Gardens (Residents) Limited | Households | 1984 |
| 65 Peak Hill Limited | Households | 2005 |
| 65 Portland Road (London) Management Company Limited | Households | 2001 |
| 65 Priory Road Limited | Households | 1991 |
| 65 Property Ltd | Real estate | 2025 |
| 65 Quarrendon Street Limited | Households | 1989 |
| 65 Ramsden Road Management Company Limited | Professional & scientific | 1989 |
| 65 Redcliffe Gardens Limited | Households | 2002 |
| 65 Ridge Road Limited | Households | 2008 |
| 65 Ritherdon Road Limited | Extraterritorial | 1998 |
| 65 Salford Road Limited | Real estate | 2024 |
| 65 ST John's Hill Grove (Freehold) Limited | Households | 2014 |
| 65 St.Quintin Avenue 1996 Limited | Households | 1996 |
| 65 Sunny Gardens Freehold Limited | Real estate | 2019 |
| 65 Sutherland Avenue Management Company Limited | Households | 2008 |
| 65 the Chase Limited | Professional & scientific | 2011 |
| 65 Tufnell Park Road Limited | Real estate | 2005 |
| 65 Uxbridge Road Ltd | Real estate | 2026 |
| 65 Warwick Avenue Limited | Extraterritorial | 1996 |
| 65 Wilding Films Ltd | Information & communication | 2011 |
| 65 Woodheyes Road Ltd | Real estate | 2025 |
| 65-104 Beaufort Mansions Freehold Limited | Extraterritorial | 2010 |
| 65-69 West Kensington Mansions Limited | Households | 2017 |
| 65/66 Eccleston Square Tenants Association Limited | Households | 1991 |
| 65/67 Grosvenor Road Limited | Households | 2005 |
| 65/67 ST Peters Street Limited | Real estate | 1986 |
| 650D Limited | Professional & scientific | 2025 |
| 652 Fulham Road (Freehold) Company Limited | Households | 2020 |
| 653 Leyton Ltd | Real estate | 2018 |
| 65535 Limited | Wholesale & retail | 2022 |
| 657 and 659 Fulham Road Limited | Households | 2022 |
| 65A Portobello Road Limited | Construction | 2012 |
| 65C Northbrook Road Ltd | Real estate | 2018 |
| 65HH Limited | Real estate | 2014 |
| 65SEVEN Labs Ltd | Information & communication | 2025 |
| 65TS Holdings Limited | Financial services | 2022 |
| 65TS Limited | Real estate | 2022 |
| 65WBR Ltd | Construction | 2018 |
| 66 & 68 Crediton Hill Management Company Limited | Households | 2010 |
| 66 Abbey Road Limited | Households | 1999 |
| 66 and 68 Weir Road Management Limited | Households | 1998 |
| 66 Anerley Park Ltd | Households | 2025 |
| 66 Ballater Road Limited | Real estate | 2009 |
| 66 Barnsbury Road N1 Limited | Households | 2006 |
| 66 Books Trustees Ltd | Professional & scientific | 2025 |
| 66 Bramber Road Limited | Extraterritorial | 2015 |
| 66 Burma Road Management Company Limited | Households | 2013 |
| 66 Burton Road Limited | Households | 2015 |
| 66 Cadogan Square Limited | Real estate | 2006 |
| 66 Cambridge Street Freehold Limited | Households | 2020 |
| 66 Carlton Hill Freehold Limited | Households | 2015 |
| 66 Castellain Road Limited | Households | 2007 |
| 66 Chalk Farm Road Limited | Real estate | 2008 |
| 66 Cheltenham Road London Limited | Extraterritorial | 2010 |
| 66 Chestnut Road Management Company Limited | Real estate | 2004 |
| 66 Church Road Records Limited | Administrative & support | 2017 |
| 66 Clarendon Road Limited | Real estate | 2001 |
| 66 Court Road (Management) Limited | Construction | 1984 |
| 66 Crowland Limited | Real estate | 2021 |
| 66 Culverden Road Limited | Households | 1989 |
| 66 Dennington Park Road Limited | Households | 1990 |
| 66 Eaton Place Management Company Limited | Households | 1992 |
| 66 Edith Road Limited | Real estate | 1995 |
| 66 Ellison Road Management Limited | Real estate | 2013 |
| 66 Enmore Road RTM Company Limited | Households | 2011 |
| 66 Fenwick Road Freeholders Limited | Real estate | 2014 |
| 66 Filey Avenue Mgnt Co Ltd | Households | 2020 |
| 66 Finsbury Park Road Limited | Households | 2023 |
| 66 Fulham Park Gardens Limited | Real estate | 2007 |
| 66 George ROW Limited | Households | 2012 |
| 66 Goldhurst Terrace Management Limited | Households | 2011 |
| 66 Great North Road Limited | Professional & scientific | 2004 |
| 66 Hadyn Park Road Limited | Households | 2016 |
| 66 Haverhill Road Limited | Real estate | 2014 |
| 66 Haymarket Limited | Hospitality | 2018 |
| 66 Investments Limited | Administrative & support | 2019 |
| 66 Isledon Road Limited | Households | 2011 |
| 66 Kensington Gardens Square Management Limited | Households | 1990 |
| 66 Kent House Road Limited | Households | 2001 |
| 66 Ladbroke Grove Management Company Limited | Households | 1995 |
| 66 Lancaster Ltd | Households | 2020 |
| 66 Linden Gardens Management Limited | Households | 2000 |
| 66 Lots Road Management Limited | Households | 2021 |
| 66 Middle Lane Limited | Real estate | 2012 |