| 38 and 40 Arundel Gardens Management Limited | Households | 1975 |
| 38 Anerley Park Management Limited | Households | 1998 |
| 38 Arbery Road Freehold Company Limited | Households | 2016 |
| 38 Aristotle Road Limited | Households | 2023 |
| 38 Balmoral Road Limited | Households | 2025 |
| 38 Barons Court Road (Freehold) Limited | Households | 2023 |
| 38 Bartholomew Road Limited | Households | 2017 |
| 38 Bassett Road Management Limited | Households | 2004 |
| 38 Becmead Avenue Limited | Professional & scientific | 2009 |
| 38 Belsize Grove Management Limited | Households | 2025 |
| 38 Berrylands Road RTM Company Ltd | Households | 2023 |
| 38 Birkbeck Road Management Limited | Households | 2016 |
| 38 Brondesbury Villas Limited | Households | 1997 |
| 38 Burghley Road Freehold Company Limited | Households | 2024 |
| 38 Carlton Drive Freehold Limited | Hospitality | 2000 |
| 38 Carlyle Road Freehold Limited | Real estate | 2014 |
| 38 Castlewood Road Flat Owners Limited | Real estate | 2013 |
| 38 Cathcart Road Limited | Households | 2019 |
| 38 Chipstead Street Freehold Company Limited | Households | 2021 |
| 38 Clanricarde Gardens Limited | Households | 2014 |
| 38 Clarence Holdings Ltd | Real estate | 2022 |
| 38 Claverton Street RTM Company Limited | Real estate | 2011 |
| 38 Clifton Gardens Management Limited | Households | 1990 |
| 38 Comeragh Road Tenants Limited | Households | 1992 |
| 38 Coolhurst Road RTM Company Limited | Households | 2019 |
| 38 Cornwall Gardens Limited | Households | 1975 |
| 38 Cranley Gardens Limited | Households | 1996 |
| 38 Curzon Limited | Construction | 2015 |
| 38 Curzon Management Limited | Real estate | 2015 |
| 38 Degrees | Other services | 2008 |
| 38 Degrees Trust | Education | 2009 |
| 38 Digby Crescent Limited | Households | 2018 |
| 38 Downton Avenue Management Limited | Real estate | 2008 |
| 38 Draycott Place Freehold Company Ltd | Real estate | 2007 |
| 38 Dunsmure Road RTM Company Limited | Real estate | 2013 |
| 38 Dyne Road Limited | Households | 2020 |
| 38 Edith Road Limited | Real estate | 2025 |
| 38 Entertainment Group Ltd | Professional & scientific | 2019 |
| 38 Fauconberg Road Limited | Households | 2011 |
| 38 Fenwick Road Limited | Households | 2009 |
| 38 Finborough Road Ltd. | Households | 2005 |
| 38 Flat 1-3 Sylvan Avenue N22 5HY Freehold Limited | Real estate | 2023 |
| 38 Frognal (RTE) Limited | Professional & scientific | 2003 |
| 38 Garfield Road Management Limited | Households | 2000 |
| 38 Gauden Road Management Limited | Hospitality | 1997 |
| 38 Geraldine Road Management Company Limited | Households | 1997 |
| 38 Gipsy Hill RTM Company Ltd | Households | 2023 |
| 38 Glenrosa Street Limited | Hospitality | 2013 |
| 38 Gordon Place Limited | Administrative & support | 2014 |
| 38 Grafton Square RTM Limited | Households | 2012 |
| 38 Graham Street Management Limited | Administrative & support | 2016 |
| 38 Grosvenor Gardens Limited | Real estate | 2009 |
| 38 Grosvenor Street Restaurant LLP | | 2023 |
| 38 Grove Park Gardens Limited | Households | 1997 |
| 38 Hamilton Gardens Ltd | Households | 2026 |
| 38 Harbut Road Limited | Households | 2025 |
| 38 Harlesden Road Management Company Limited | Real estate | 2004 |
| 38 Havelock Terrace Limited | Real estate | 2016 |
| 38 Hermon Hill RTM Company Limited | Real estate | 2008 |
| 38 Herne Hill Road RTM Company Limited | Households | 2012 |
| 38 Heyford Avenue Limited | Households | 2004 |
| 38 Hitherfield Road Management Company Limited | Households | 2022 |
| 38 Holland Park Freehold Company Limited | Households | 2018 |
| 38 Holland Park RTM Company Limited | Households | 2018 |
| 38 Honor Oak Park Ltd | Households | 2025 |
| 38 Huddleston Road Limited | Households | 1984 |
| 38 Huron Road Freehold Limited | Real estate | 2026 |
| 38 Inglis Road Management Limited | Households | 2015 |
| 38 Kingsway Lease Ltd | Wholesale & retail | 2023 |
| 38 Knightsbridge Limited | Other services | 2018 |
| 38 Labs Limited | Information & communication | 2024 |
| 38 Ladbroke Grove Limited | Real estate | 2010 |
| 38 Lanhill Road (Management) Limited | Real estate | 2012 |
| 38 Lavender Hill Management Company Limited | Real estate | 2015 |
| 38 Lewin Road Management Limited | Households | 2004 |
| 38 Limited | Administrative & support | 2022 |
| 38 Lytton Grove Limited | Households | 2019 |
| 38 Lyveden Road Management Company Limited | Households | 2023 |
| 38 Management Ltd | Information & communication | 2021 |
| 38 Manor Avenue Limited | Households | 2024 |
| 38 Maygrove Freehold Ltd | Households | 2019 |
| 38 Minford Gardens Management Company Limited | Households | 2002 |
| 38 Minutes Ltd | Information & communication | 2019 |
| 38 Musard Road Management Limited | Households | 2020 |
| 38 Muswell Road Residents Limited | Households | 1995 |
| 38 North END Road Limited | Real estate | 2020 |
| 38 NW2 5DS RTM Company Ltd | Households | 2015 |
| 38 Octavia Street Limited | Real estate | 2025 |
| 38 Onslow Gardens Management Company Limited | Households | 2004 |
| 38 Osborne Villas Freehold Limited | Households | 2022 |
| 38 Petherton Road Freehold Limited | Real estate | 2023 |
| 38 PH Limited | Households | 2005 |
| 38 Pinfold Road Management Company Limited | Households | 1998 |
| 38 Pottery Ltd | Arts & recreation | 2026 |
| 38 Q Avenue Freehold Limited | Extraterritorial | 2016 |
| 38 Queens Avenue RTM Company Limited | Households | 2005 |
| 38 Quinton Street Management Limited | Households | 2013 |
| 38 Randolph Avenue Limited | Households | 1982 |
| 38 Redcliffe Square (SW10) Limited | Households | 1998 |
| 38 Riverdale Road Freehold Limited | Households | 2002 |