| 56 Hawley Road Freehold Company (NW1) Limited | Households | 2024 |
| 56 Heathfield Road Limited | Extraterritorial | 2013 |
| 56 Hogarth Road (Freehold) Limited | Households | 2006 |
| 56 Ickburgh Road (Management) Limited | Real estate | 2005 |
| 56 Isledon Road Management Company Limited | Households | 2003 |
| 56 Jenner Road Management Limited | Real estate | 2015 |
| 56 Kingswood Road Limited | Households | 2017 |
| 56 Lambton Road Freehold Ltd | Real estate | 2022 |
| 56 Lane Ltd | Professional & scientific | 2021 |
| 56 Ledbury Road Limited | Real estate | 2017 |
| 56 Leopold Road Ltd | Extraterritorial | 1991 |
| 56 Lexham Gardens (Management) Limited | Households | 1979 |
| 56 Limes Grove (Freehold) Company Limited | Real estate | 2011 |
| 56 Management Services Limited | Real estate | 2025 |
| 56 Maple Street Ltd | Hospitality | 2023 |
| 56 Marlborough Road Freehold Limited | Professional & scientific | 2004 |
| 56 Media Limited | Information & communication | 2023 |
| 56 Milson Road Limited | Administrative & support | 2011 |
| 56 Mirabel Road Management Limited | Real estate | 2008 |
| 56 Mount Pleasant Lane Management Limited | Extraterritorial | 2014 |
| 56 Moyser Road Management Limited | Households | 2022 |
| 56 Nightingale Lane Limited | Households | 1999 |
| 56 Okehampton Management Company Ltd | Real estate | 2025 |
| 56 Oxford Gardens Limited | Households | 1994 |
| 56 Penywern Management Limited | Households | 1986 |
| 56 QNS RD Management Co Ltd | Households | 2017 |
| 56 Queen's Road Residents Limited | Real estate | 2005 |
| 56 Queens Avenue Limited | Households | 2024 |
| 56 Queens Gate Limited | Households | 2001 |
| 56 Redcliffe Gardens Limited | Households | 2010 |
| 56 Romola Road, London, SE24 9AZ RTM Company Limited | Real estate | 2012 |
| 56 Rosslyn Hill Limited | Extraterritorial | 1996 |
| 56 Salford Road Limited | Real estate | 2010 |
| 56 Shellgate Road Management Company Limited | Households | 1993 |
| 56 Sherwood Invest Ltd | Real estate | 2025 |
| 56 Sinclair Road Limited | Households | 2006 |
| 56 ST. Lukes Management Ltd. | Households | 2003 |
| 56 ST. Thomas's Road Management Limited | Hospitality | 2002 |
| 56 Sutherland Place Limited | Real estate | 2015 |
| 56 the Chase Ltd | Real estate | 2025 |
| 56 Thrale Road Limited | Households | 2005 |
| 56 Tomlins Grove (Freehold) Limited | Real estate | 2006 |
| 56 TR Limited | Real estate | 2018 |
| 56 Turners Hill Limited | Administrative & support | 2017 |
| 56 Unicorns Ltd | Construction | 2024 |
| 56 Venner Road Limited | Households | 1999 |
| 56 Victoria Road Residents Company Limited | Households | 1989 |
| 56 Vincent Square Investments Limited | Real estate | 2006 |
| 56 Vincent Square Limited | Professional & scientific | 2006 |
| 56 Waldemar Avenue Limited | Households | 2017 |
| 56 Wandsworth Common North Side Limited | Real estate | 2003 |
| 56 Warriner Gardens Management Company Limited | Households | 2003 |
| 56 Warrington Crescent Limited | Real estate | 1984 |
| 56 Wellington West Limited | Real estate | 2024 |
| 56 Westbourne Terrace RTM Company Ltd | Households | 2018 |
| 56 Whateley Road Limited | Households | 2008 |
| 56 Whitbread Road Limited | Real estate | 2009 |
| 56 Windus Road Limited | Households | 1999 |
| 56 Woolmead AV Ltd | Real estate | 2025 |
| 56-58 Eaglesfield Road Management Ltd | Households | 2012 |
| 56/57 Courtfield Gardens Limited | Households | 2007 |
| 56/58 Lambert Road (Freehold) Limited | Real estate | 2017 |
| 56/58 Maberley Road Residents Limited | Households | 1996 |
| 560 and 548 Chiswick High Road RTM Company Ltd | Households | 2025 |
| 560 Media Rights Limited | Information & communication | 2015 |
| 5618 Studios Ltd | Arts & recreation | 2025 |
| 562 KR Ltd | Hospitality | 2026 |
| 565 Kingston Limited | Construction | 2024 |
| 5654 & Company Limited | Professional & scientific | 2020 |
| 565860 Freehold Company Limited | Real estate | 2022 |
| 5678 Limited | Financial services | 2020 |
| 568 Consulting Ltd | Professional & scientific | 2023 |
| 569 Investments Limited | Real estate | 2021 |
| 56CW Services Limited | Professional & scientific | 2022 |
| 56DR Blank Canvas Ltd | Wholesale & retail | 2026 |
| 56KESLAKE Ltd | Households | 2023 |
| 56QG Limited | Real estate | 2013 |
| 57 59WS LDN UK PTE Ltd | Real estate | 2023 |
| 57 Aberdare Gardens Limited | Real estate | 1991 |
| 57 Agency Ltd | Professional & scientific | 2022 |
| 57 Albany Road Management Company Limited | Real estate | 2008 |
| 57 Anson Road Limited | Professional & scientific | 1985 |
| 57 Argyle Road Management Limited | Households | 2020 |
| 57 Ashbourne Limited | Extraterritorial | 2017 |
| 57 Athlone Street Management Company Limited | Real estate | 2007 |
| 57 Aylesford Street Limited | Households | 2007 |
| 57 Baronet Freehold Ltd | Real estate | 2017 |
| 57 Becmead Avenue Ltd | Extraterritorial | 2014 |
| 57 Blenheim Gardens Limited | Households | 2006 |
| 57 Bonnington Square Ltd | Extraterritorial | 2016 |
| 57 Brownhill Road RTM Company Limited | Households | 2022 |
| 57 Camden Limited | Real estate | 2019 |
| 57 Cavendish Road RTM Company Limited | Households | 2020 |
| 57 Chatsworth Road Management Company Limited | Households | 2006 |
| 57 Chaucer Road Limited | Real estate | 2010 |
| 57 Chesterton Road Limited | Other services | 2021 |
| 57 Chesterton Road Management Company Limited | Other services | 2021 |
| 57 Clapham Common South Side Limited | Households | 2001 |
| 57 Clissold Crescent Freehold Limited | Households | 2021 |
| 57 Comyn Road Limited | Real estate | 2012 |