| 39 Russell Road RTM Co. Ltd. | Households | 2007 |
| 39 Savernake Road (Management Company) Limited | Households | 1987 |
| 39 Schubert Road Freeholders Ltd | Households | 2025 |
| 39 Shenley Road Ltd | Real estate | 2023 |
| 39 Southampton Way Limited | Administrative & support | 1996 |
| 39 Spencer Road Limited | Extraterritorial | 2008 |
| 39 Square Media Ltd | Arts & recreation | 2020 |
| 39 ST Charles Square Freehold Limited | Households | 2014 |
| 39 ST Quintin Avenue (Freehold) Limited | Households | 2007 |
| 39 ST. George's Square Freehold Limited | Households | 2011 |
| 39 Stanhope Gardens Limited | Households | 2006 |
| 39 Steps (UK) 2021 Limited | Arts & recreation | 2021 |
| 39 Steps Entertainment Limited | Information & communication | 2006 |
| 39 Summerley Management Ltd | Real estate | 2020 |
| 39 Sunderland Road Limited | Hospitality | 2005 |
| 39 Sunnyside Road Management Company Limited | Households | 1994 |
| 39 Swinton Street Limited | Households | 1987 |
| 39 Sydney Street (Freehold) Limited | Households | 2023 |
| 39 Sylvan Road Management Limited | Professional & scientific | 2012 |
| 39 Taunton Avenue Management Limited | Real estate | 2011 |
| 39 the Avenue RTM Company Limited | Households | 2008 |
| 39 the Grove Limited | Households | 2001 |
| 39 Thurlestone Road (2003) Limited | Hospitality | 2003 |
| 39 Thurlow Park Road Management Company Limited | Households | 2005 |
| 39 Tressillian Road Management Limited | Households | 1995 |
| 39 Troutbeck Road Management Limited | Households | 1985 |
| 39 Tyrwhitt RD Ltd | Households | 2016 |
| 39 Uverdale Road Management Company Limited | Households | 2022 |
| 39 Vera Road Management Company Limited | Households | 2025 |
| 39 Wandsworth Bridge Road Management Company Limited | Households | 2011 |
| 39 Warwick Avenue Limited | Households | 2004 |
| 39 Whittingstall Road Property Management Limited | Real estate | 2001 |
| 39 Wix’S Lane Limited | Households | 2021 |
| 39 Woodstock Management Company Limited | Households | 2018 |
| 39-43 Crookham Road London Limited | Real estate | 2006 |
| 39-43 Tower Bridge Road London Limited | Households | 2023 |
| 39-45 Herbert Road Limited | Households | 2018 |
| 39-51 Highgate Road (Real Estate) Limited | Extraterritorial | 2015 |
| 39-51 Highgate Road (Residential) Limited | Extraterritorial | 2015 |
| 39-51 Highgate Road Development Limited | Construction | 2014 |
| 39-69 E1 4DY Freehold Limited | Real estate | 2017 |
| 39/39A Tennyson Street Limited | Households | 2017 |
| 39/40 Beaufort Gardens Management Limited | Households | 1989 |
| 39/40 Elvaston Place Limited | Households | 1997 |
| 39/40 Emperors Gate Limited | Households | 1993 |
| 39/40 QG RTM Company Limited | Households | 2023 |
| 39/41 ALL Saints Road Limited | Extraterritorial | 2007 |
| 39/46 Cavendish Gardens Management Company Limited | Households | 1993 |
| 390 London Road RTM Company Ltd | Households | 2017 |
| 391 Urrw Ltd | Real estate | 2021 |
| 392 N7 Limited | Other services | 2026 |
| 392 Properties Ltd | Real estate | 2022 |
| 392 to 402 Lillie Road Limited | Extraterritorial | 2012 |
| 393 Ltd | Financial services | 2024 |
| 393 Venture and Private Equity Investment UK Limited | Agriculture & fishing | 2021 |
| 393FPR Limited | Households | 2006 |
| 394 Sports Ltd | Arts & recreation | 2023 |
| 394 Tiles and Bathrooms Limited | Wholesale & retail | 2026 |
| 395 Acton Lane (London) Limited | Households | 2022 |
| 395 Clapham Road RTM Company Limited | Households | 2011 |
| 395 Properties Limited | Real estate | 2022 |
| 395 Strand Ltd | Real estate | 2024 |
| 395NKR Limited | Real estate | 2023 |
| 396 GL LLP | | 2015 |
| 397 Clapham Road RTM Company Limited | Households | 2023 |
| 397 Cockfosters Homes Ltd | Construction | 2018 |
| 399 Clapham Developments Limited | Real estate | 2014 |
| 399 Edgware Road Management Company Limited | Construction | 2014 |
| 39A Queens Gate Gardens Management Limited | Households | 1996 |
| 39B Fernshaw Road Limited | Real estate | 2025 |
| 39INVESTMENTS Limited | Professional & scientific | 2010 |
| 3:16 Property Ltd | Real estate | 2024 |
| 3:33 Group Limited | Financial services | 2025 |
| 3:ELEVEN 4L Ltd | Wholesale & retail | 2024 |
| 3A Athenaeum RD RTM Company Limited | Households | 2023 |
| 3A Clifton Road RTM Company Ltd | Households | 2021 |
| 3A Compliance Associates Limited | Professional & scientific | 2026 |
| 3A Compliance Limited | Professional & scientific | 2025 |
| 3A Consulting Group Ltd | Information & communication | 2016 |
| 3A Engineering Limited | Professional & scientific | 2017 |
| 3A Enterprises Limited | Real estate | 2021 |
| 3A Greek Properties Limited | Financial services | 2024 |
| 3A Group Limited | Professional & scientific | 2016 |
| 3A Holding Ltd | Professional & scientific | 2017 |
| 3A Industry Ltd | Extraterritorial | 2008 |
| 3A Investment (International) Ltd | Administrative & support | 2021 |
| 3A Invests Limited | Real estate | 2025 |
| 3A Labs Ltd | Information & communication | 2026 |
| 3A Palace Green Limited | Households | 1990 |
| 3A Partners Ltd | Manufacturing | 2009 |
| 3A Pharma Ltd | Wholesale & retail | 2022 |
| 3A Plus Business Partnering Ltd | Professional & scientific | 2015 |
| 3A Productions Ltd | Information & communication | 2024 |
| 3A Saturn Ltd | Administrative & support | 2025 |
| 3A Star Ltd | Wholesale & retail | 2024 |
| 3A Studios Ltd | Extraterritorial | 2023 |
| 3A Supplies Ltd | Wholesale & retail | 2020 |
| 3A Telecom Consultancy Ltd | Information & communication | 2017 |
| 3A Trend Tech Ltd | Information & communication | 2015 |
| 3A Ventures Ltd | Wholesale & retail | 2016 |