| 138 Grand Drive Management Company Limited | Households | 2002 |
| 138 Haverstock Hill RTM Company Limited | Households | 2021 |
| 138 Holdings Limited | Real estate | 2017 |
| 138 Kingsland Road Limited | Real estate | 2000 |
| 138 Knollys Road Streatham Limited | Households | 1994 |
| 138 Lavender Hill Limited | Hospitality | 1995 |
| 138 Loudoun Road Management Limited | Households | 1990 |
| 138 New North Road Limited | Extraterritorial | 1993 |
| 138 Properties Limited | Real estate | 2025 |
| 138 Trundleys Road Management Company Limited | Households | 1999 |
| 138 Warwick Way Freehold Limited | Real estate | 2022 |
| 138 Wood Green Ltd | Hospitality | 2022 |
| 138, Brooke Road Management Limited | Households | 1984 |
| 138-140 Albert Road Freehold Limited | Households | 2018 |
| 138-140 Gloucester Terrace (Management) Limited | Households | 1986 |
| 138-142 Askew Road (Freehold) Limited | Households | 2020 |
| 1381 Limited | Information & communication | 2025 |
| 13816588 Ltd | Hospitality | 2021 |
| 13837 Ltd | Professional & scientific | 2012 |
| 138A Fleet Limited | Extraterritorial | 2007 |
| 138A KHH Limited | Real estate | 2018 |
| 138TH Ltd | Information & communication | 2023 |
| 139 & Lenox Media Ltd | Wholesale & retail | 2025 |
| 139 Beaufort Street Management Company Limited | Professional & scientific | 1996 |
| 139 Brecknock Properties Limited | Households | 2013 |
| 139 Castelnau (Freehold) Limited | Real estate | 2009 |
| 139 Castelwood Ltd | Real estate | 2026 |
| 139 Coldharbour Lane (London) Limited | Households | 2026 |
| 139 Devonshire Road Limited | Households | 1996 |
| 139 Eglinton Hill Residents Management Company Limited | Households | 2005 |
| 139 Estates Ltd | Real estate | 2019 |
| 139 Freehold Limited | Construction | 2026 |
| 139 Goldhurst Terrace Limited | Households | 2010 |
| 139 Hammersmith Grove (Freehold) Limited | Households | 2018 |
| 139 Harvist Road Management Company Limited | Professional & scientific | 2015 |
| 139 Holdings Ltd | Financial services | 2025 |
| 139 Holland Road Limited | Households | 2019 |
| 139 Iverson Limited | Extraterritorial | 2015 |
| 139 LEE High Road London SE13 Freehold Management Company Limited | Households | 2011 |
| 139 Lordship Lane Management Limited | Extraterritorial | 2006 |
| 139 New Kings Road Limited | Households | 1995 |
| 139 Northchurch Road Freehold Limited | Households | 2026 |
| 139 Old Brompton Road Ltd | Real estate | 2024 |
| 139 Piccadilly Residential Limited | Real estate | 2015 |
| 139 Properties Limited | Real estate | 2024 |
| 139 Property Ltd | Real estate | 2026 |
| 139 Station Ltd | Hospitality | 2019 |
| 139 Sternhold Avenue Limited | Real estate | 1998 |
| 139 Sulgrave Road Management Company Limited | Households | 1994 |
| 139 Tolworth Invest Ltd | Real estate | 2026 |
| 139 Traders Ltd | Wholesale & retail | 2025 |
| 139 Valetta Road Management Company Limited | Households | 2024 |
| 139 West END Lane Limited | Households | 2020 |
| 139-141 Maryland Road Limited | Households | 2008 |
| 13955814 Ltd | Administrative & support | 2022 |
| 13965618 Ltd | Wholesale & retail | 2022 |
| 139DEC LLP | | 2022 |
| 139FIKA Ltd | Hospitality | 2023 |
| 13A Middle Field Land Limited | Construction | 2017 |
| 13A Research Ltd | Professional & scientific | 2023 |
| 13BARRYROAD Ltd | Households | 2020 |
| 13BHR Management Limited | Real estate | 2024 |
| 13BOOKS Capital Founder Partner 1 Limited | Financial services | 2019 |
| 13BOOKS Capital General Partner LLP | | 2019 |
| 13BOOKS Capital II Founder Partner 1 Limited | Financial services | 2022 |
| 13BOOKS Capital II General Partner LLP | | 2022 |
| 13BOOKS Capital II LP | | 2022 |
| 13BOOKS Capital III Founder Partner 1 Limited | Financial services | 2026 |
| 13BOOKS Capital III General Partner LLP | | 2026 |
| 13BOOKS Capital III LP | | 2026 |
| 13BOOKS Capital LLP | | 2019 |
| 13BOOKS Capital LP | | 2019 |
| 13CM Limited | Hospitality | 2022 |
| 13CO Ltd | Information & communication | 2025 |
| 13DITA Limited | Information & communication | 2024 |
| 13ELEVEN Limited | Information & communication | 2024 |
| 13FORTIS Ltd | Wholesale & retail | 2026 |
| 13G30 Investment Ltd | Arts & recreation | 2024 |
| 13H Ltd | Construction | 2019 |
| 13SC Holdings Limited | Financial services | 2025 |
| 13SC Propco Limited | Real estate | 2025 |
| 13SEVEN Group Ltd | Professional & scientific | 2022 |
| 13STAR Consulting Ltd | Manufacturing | 2024 |
| 13TEEN Ltd | Professional & scientific | 2025 |
| 13TH Day Limited | Wholesale & retail | 2025 |
| 13TH Floor Coffee Company Ltd | Hospitality | 2020 |
| 13UBS Ltd | Real estate | 2025 |
| 13WEEKS Cashflow Ltd | Professional & scientific | 2026 |
| 14 & 16 Avarn Road (Tooting) RTM Company Limited | Households | 2013 |
| 14 & 16 Chance Street (London) Management Company Limited | Real estate | 2010 |
| 14 - 16 Fernlea Road Management Limited | Households | 2013 |
| 14 - 16 GPS Limited | Real estate | 2015 |
| 14 - 16 Park Street Limited | Hospitality | 2021 |
| 14 - 24 Emra Limited | Households | 1991 |
| 14 : 59 : 24 : 00 Limited | Arts & recreation | 2005 |
| 14 Abbey Gardens Limited | Households | 2019 |
| 14 ABC Garway Road Management Limited | Households | 2007 |
| 14 Aberdare Gardens Management Limited | Professional & scientific | 1991 |
| 14 Alpha Road Freehold Limited | Households | 2009 |
| 14 Ancona Road Freehold Limited | Households | 2013 |