| 52 Church Hill Limited | Households | 2007 |
| 52 Church Road RTM Company Limited | Households | 2026 |
| 52 Cleveland Square Management Limited | Households | 1984 |
| 52 Courtfield Gardens Management Company Limited | Professional & scientific | 1978 |
| 52 Cranhurst Road Limited | Households | 2005 |
| 52 Culverden Road (Freehold) Limited | Households | 2014 |
| 52 Denton Road Freehold Limited | Households | 2023 |
| 52 Devonshire Ltd | Real estate | 2018 |
| 52 Digital Ltd | Professional & scientific | 2018 |
| 52 Dogs Holding Ltd. | Financial services | 2023 |
| 52 Duckett Road Management Limited | Households | 2008 |
| 52 Dulwich Road Ltd | Households | 2017 |
| 52 East Capital Limited | Professional & scientific | 2023 |
| 52 Eaton Place Freehold Ltd | Households | 2025 |
| 52 ELM Park (RTM) Company Limited | Households | 2016 |
| 52 Elsham Road Limited | Real estate | 2026 |
| 52 Esmond Road Ltd | Households | 2011 |
| 52 Etherley Road Limited | Hospitality | 2006 |
| 52 Events Limited | Hospitality | 2019 |
| 52 Factorial Ltd | Information & communication | 2023 |
| 52 Films Ltd | Professional & scientific | 2018 |
| 52 Fitness Ltd | Arts & recreation | 2024 |
| 52 Fonthill Road Limited | Households | 2015 |
| 52 Fordingley Road Freehold Limited | Real estate | 2015 |
| 52 Fortess Road Limited | Households | 2008 |
| 52 Foyle Road Limited | Households | 2014 |
| 52 Gilbey Road Management Ltd | Households | 2025 |
| 52 Gloucester Avenue Residents Association Limited | Households | 1990 |
| 52 Gloucester Drive (Finsbury Park) Limited | Households | 2005 |
| 52 Goldhurst Terrace Limited | Real estate | 1996 |
| 52 Group Ltd | Information & communication | 2006 |
| 52 Hainault Road Romford Residents Company Limited | Households | 1992 |
| 52 Halesworth Road Limited | Households | 1995 |
| 52 Hampden Road Limited | Real estate | 2005 |
| 52 Harold Road Management Company Limited | Households | 2011 |
| 52 Helix Road Management Company Limited | Financial services | 2017 |
| 52 Holland Park Avenue Tenants Limited | Households | 1972 |
| 52 Inchmery Road Management Company Limited | Households | 1990 |
| 52 Kellett Road Management Limited | Households | 2010 |
| 52 Lennox Gardens Limited | Households | 2016 |
| 52 Linden Gardens Limited | Real estate | 1997 |
| 52 LRV Ltd | Households | 2013 |
| 52 Maberley Road Residents Company Limited | Households | 2002 |
| 52 Mill Lane RTM Company Limited | Households | 2011 |
| 52 Moxon Street Limited | Real estate | 2013 |
| 52 Munster Road Freehold Limited | Households | 2023 |
| 52 Munster Road RTM Company Limited | Households | 2003 |
| 52 Norfolk Estate Limited | Other services | 2017 |
| 52 North Kent Ltd | Real estate | 2026 |
| 52 North Street Limited | Hospitality | 2014 |
| 52 Offley Road Management Company Limited | Real estate | 1999 |
| 52 Old Road RTM Company Ltd | Households | 2020 |
| 52 Ossory LLP | | 2015 |
| 52 Pellatt Road (London) Limited | Households | 2023 |
| 52 Penywern Road Limited | Real estate | 2026 |
| 52 Princess MAY Road (Freehold) Limited | Households | 2014 |
| 52 Queen's Gate Terrace Management Limited | Hospitality | 1995 |
| 52 Queens Gardens Management Company Limited | Administrative & support | 2004 |
| 52 Queenstown Road RTM Company Ltd | Households | 2021 |
| 52 Quinton Street (Freehold) Limited | Real estate | 2013 |
| 52 Redcliffe Gardens Management Limited | Households | 1997 |
| 52 Redcliffe Square Limited | Households | 1985 |
| 52 Richford FE Ltd | Real estate | 2007 |
| 52 Rossiter Road Limited | Households | 2008 |
| 52 Russell Road Residents Association Limited | Extraterritorial | 1996 |
| 52 Sandrock Road Limited | Households | 2025 |
| 52 Sarre Road Limited | Households | 2016 |
| 52 Shell Road Limited | Households | 2018 |
| 52 Shirland Road (Freehold) Limited | Households | 2017 |
| 52 South Edwardes Square (2019) Company Limited | Households | 2019 |
| 52 ST Asaph Road Limited | Households | 2017 |
| 52 ST Johns Villas Limited | Administrative & support | 2006 |
| 52 Sutherland Place Residents Association Limited | Hospitality | 1994 |
| 52 Tanner Street RTM Company Limited | Households | 2024 |
| 52 Thorparch Road RTM Company Limited | Households | 2013 |
| 52 Tottenham Street, Fitzrovia Ltd | Real estate | 2024 |
| 52 Trafalgar Property Holding Ltd | Professional & scientific | 2023 |
| 52 Tufnell Park Road (Freehold) Limited | Real estate | 2008 |
| 52 Upper Richmond Road West (Freehold) Company Limited | Extraterritorial | 2009 |
| 52 Victoria Crescent Management Limited | Households | 2015 |
| 52 Warrington Crescent Limited | Real estate | 1983 |
| 52 West END Avenue Ltd | Households | 2022 |
| 52 West END Lane (Freehold) Limited | Households | 2003 |
| 52 Whitmore RD LLP | | 2010 |
| 52 Wightman Road Management Limited | Real estate | 2006 |
| 52 Worple Road Mews RTM Company Limited | Households | 2025 |
| 52-54 Lavender Hill Limited | Households | 2003 |
| 52-54 White Post Lane LLP | | 2011 |
| 52-56 Crookham Road Management Company Limited | Households | 1997 |
| 52-58 (Even) Commercial Road RTM Company Limited | Households | 2020 |
| 52-58 Pont Street RTM Company Limited | Real estate | 2009 |
| 52.KIKIS Ltd | Wholesale & retail | 2024 |
| 52/53 Kensington Court Management Limited | Households | 2000 |
| 52/53 Warwick Square Limited | Households | 1991 |
| 52/54 Clifton Gardens Limited | Real estate | 1982 |
| 52/54 Lillie Road Company Limited | Households | 2001 |
| 520 Investments Ltd | Real estate | 2022 |
| 520 Property Investment Ltd | Real estate | 2023 |
| 520MEISHI Ltd | Hospitality | 2025 |
| 525 Consulting Ltd | Professional & scientific | 2021 |