| 435 High Road London Ltd | Real estate | 2021 |
| 435 Solutions Ltd | Transport & logistics | 2023 |
| 437-443 Staines Road Freehold Limited | Households | 2023 |
| 438 Fulham Road Management Limited | Households | 1996 |
| 438 Ltd | Information & communication | 2023 |
| 43C ST James Road Ltd | Real estate | 2025 |
| 43CP Limited | Health & social care | 2025 |
| 43PC Ltd | Real estate | 2025 |
| 43PP Ltd | Administrative & support | 2026 |
| 44 Garth Road Ltd | Real estate | 2024 |
| 44 & 45 Trinity Square Freehold Limited | Households | 2024 |
| 44 & 45 Trinity Square RTM Company Limited | Households | 2019 |
| 44 & 46 Lower Sloane Street Management Limited | Households | 2022 |
| 44 - 55 Kings Road (South Norwood) Management Limited | Households | 2007 |
| 44 Aberdeen Road Freehold Company Limited | Professional & scientific | 2009 |
| 44 Aberdeen Road RTM Company Limited | Professional & scientific | 2008 |
| 44 Ailsa Road RTM Company Limited | Households | 2006 |
| 44 Artillery Lane Limited | Real estate | 2009 |
| 44 Avignon Road Limited | Households | 2001 |
| 44 Avonmore Road Freehold Limited | Households | 2019 |
| 44 Barons Court Road Limited | Households | 2007 |
| 44 Bedford ROW Limited | Real estate | 2022 |
| 44 Bramham Gardens Limited | Households | 1981 |
| 44 Braxted Park RTM Company Ltd | Households | 2018 |
| 44 Bromley Road Freehold Limited | Administrative & support | 2016 |
| 44 Brondesbury Villas Limited | Extraterritorial | 2012 |
| 44 Carleton Road Freehold Management Limited | Households | 1998 |
| 44 Catford Hill Management Limited | Households | 2012 |
| 44 Cathcart Road Freehold Limited | Households | 2004 |
| 44 Catherine Place Limited | Real estate | 2021 |
| 44 Cecil Road Limited | Real estate | 2008 |
| 44 Charcoal Grill Ltd | Hospitality | 2024 |
| 44 Charleville Road Limited | Households | 2005 |
| 44 Chaucer Road Limited | Households | 2018 |
| 44 Church Lane Management Company Limited | Households | 2004 |
| 44 Clanricarde Gardens Limited | Households | 2001 |
| 44 Claverton Street Management Limited | Households | 1983 |
| 44 Courtfield Gardens Management Limited | Real estate | 1992 |
| 44 Cranley Gardens Management Limited | Households | 1996 |
| 44 Crewdson Road Limited | Administrative & support | 2005 |
| 44 Croftdown Road Management Company Limited | Real estate | 2015 |
| 44 Darnley Road Limited | Households | 2012 |
| 44 Darrell Road Freehold Limited | Households | 2025 |
| 44 Dawlish Avenue Limited | Hospitality | 2018 |
| 44 Denton Road Limited | Households | 2012 |
| 44 Drury Lane Limited | Real estate | 1988 |
| 44 Dunlace Road Limited | Real estate | 2012 |
| 44 Durley Road RTM Company Limited | Households | 2010 |
| 44 Eglinton Hill Freehold Limited | Households | 2019 |
| 44 Eglinton Hill Management Limited | Households | 2009 |
| 44 Ellington Ltd | Households | 2017 |
| 44 ELM Park Gardens Limited | Households | 2005 |
| 44 Elsworthy Road London Limited | Households | 2000 |
| 44 Emperor’S Gate Freehold Limited | Households | 2023 |
| 44 Empire Ltd | Real estate | 2021 |
| 44 Energy Ltd | Professional & scientific | 2023 |
| 44 Fellows Road Limited | Households | 1994 |
| 44 Ferncroft Avenue Limited | Professional & scientific | 1999 |
| 44 Finsbury Management Company Limited | Households | 2016 |
| 44 Fragrance Ltd | Wholesale & retail | 2025 |
| 44 Georgiana Street Residents Management Limited | Households | 2012 |
| 44 Glebe Road Ltd | Administrative & support | 2018 |
| 44 Gledstanes Road Limited | Real estate | 1987 |
| 44 Gleneagle Road Residents Association Limited | Households | 1998 |
| 44 Gloucester Gardens (Freehold) Limited | Households | 2024 |
| 44 Grafton Square (Freehold) Limited | Professional & scientific | 2005 |
| 44 Granville Park Limited | Real estate | 2012 |
| 44 Great Russell Limited | Real estate | 2014 |
| 44 Gunter Grove Residents Company Limited | Professional & scientific | 2002 |
| 44 Harcourt Terrace Limited | Households | 1998 |
| 44 Hill Capital Management LLP | | 2025 |
| 44 Hill Capital Management Services Ltd | Other services | 2025 |
| 44 Holland Villas Road Limited | Administrative & support | 2016 |
| 44 Honeybrook Road Management Limited | Households | 2021 |
| 44 Honeywell Road Management Limited | Real estate | 2009 |
| 44 Interiors Ltd | Professional & scientific | 2025 |
| 44 Kingswood RTM Company Limited | Households | 2022 |
| 44 Langdon Park Road Ltd | Households | 2016 |
| 44 Langham Street (Freehold) Limited | Households | 2012 |
| 44 Latimer Road Management Company Limited | Professional & scientific | 2009 |
| 44 Lavers Road Management Company Limited | Real estate | 2012 |
| 44 Lawrence Road Limited | Households | 2010 |
| 44 Leamington Road Villas Limited | Households | 1996 |
| 44 Leyland Ltd | Real estate | 2023 |
| 44 Lichfield Road RTM Company Limited | Households | 2017 |
| 44 Limited | Households | 1994 |
| 44 Loftus Road Freehold Limited | Households | 2019 |
| 44 London Limited | Professional & scientific | 1999 |
| 44 Lucien Road (London) Limited | Households | 2013 |
| 44 Management Ltd | Information & communication | 2022 |
| 44 Market Place Limited | Real estate | 2016 |
| 44 Mildmay Road Limited | Real estate | 2014 |
| 44 Montague Street LLP | | 2021 |
| 44 Montrell Road Management Company Limited | Households | 2010 |
| 44 Moring Road Management Limited | Professional & scientific | 2021 |
| 44 Nelgarde Road Limited | Households | 2001 |
| 44 North Street Mangement Ltd | Real estate | 2011 |
| 44 Oakdale Road Limited | Real estate | 2001 |
| 44 Oakhurst Grove Limited | Real estate | 2003 |
| 44 Palmerston Road Limited | Real estate | 2008 |