| 101 Finborough Road Limited | Households | 2005 |
| 101 Fluid Investments Ltd | Financial services | 2024 |
| 101 Fortitude Properties Ltd | Real estate | 2021 |
| 101 Gleneagle Road Freehold Limited | Real estate | 2025 |
| 101 Group CAC Ltd | Real estate | 2025 |
| 101 Hamilton Road RTM Company Limited | Households | 2015 |
| 101 Harley Street Limited | Health & social care | 2021 |
| 101 Hereford Road Limited | Households | 2021 |
| 101 High Street Watford 2016 Limited | Construction | 2016 |
| 101 Holdings Limited | Financial services | 2023 |
| 101 Hornsey Lane (Freehold) Limited | Households | 2023 |
| 101 Hub CIC | Wholesale & retail | 2026 |
| 101 Hughenden Road Limited | Real estate | 2004 |
| 101 Invest LP | | 2005 |
| 101 Investments (GP) Limited | Financial services | 2005 |
| 101 Investments L.P. | | 2007 |
| 101 Judd Street Limited | Real estate | 2002 |
| 101 King Henry's Road Limited | Other services | 2003 |
| 101 Lavender Sweep Management Company Limited | Real estate | 2002 |
| 101 Ledbury Freehold Limited | Households | 2019 |
| 101 Lewisham Way Ltd | Households | 2019 |
| 101 Manor Avenue Freehold Limited | Households | 2019 |
| 101 Marketing Limited | Wholesale & retail | 2020 |
| 101 Media Street Limited | Information & communication | 2023 |
| 101 Mill Hill Road Limited | Households | 1996 |
| 101 Mortimer Road Freehold Ltd | Households | 2018 |
| 101 Nera Limited | Wholesale & retail | 2015 |
| 101 New Bond Street Limited | Real estate | 2007 |
| 101 on Cleveland (V&A) Ltd | Real estate | 2022 |
| 101 Partners Limited | Professional & scientific | 2022 |
| 101 Pentonville Road (N1) Freehold Limited | Real estate | 2015 |
| 101 Properties Limited | Real estate | 2021 |
| 101 Property Estates Ltd | Real estate | 2026 |
| 101 Ride Limited | Other services | 2013 |
| 101 Russell Road Management Limited | Households | 2012 |
| 101 Security and IT Limited | Information & communication | 2024 |
| 101 Slee Limited | Real estate | 2025 |
| 101 Staff Limited | Professional & scientific | 2022 |
| 101 Station Road (Freehold) Management Ltd | Real estate | 2018 |
| 101 Stondon Park RTM Company Limited | Households | 2013 |
| 101 Strings Limited | Manufacturing | 2016 |
| 101 Studios UK Limited | Administrative & support | 2023 |
| 101 Sutherland Avenue Limited | Households | 2001 |
| 101 Tierney Road Limited | Households | 2023 |
| 101 Walm Lane Limited | Real estate | 1994 |
| 101 Wandsworth Road Limited | Extraterritorial | 2025 |
| 101 Wapping Lane Management Company Limited | Households | 1993 |
| 101 Westbourne Terrace Limited | Households | 2003 |
| 101 Weston Park Management Limited | Real estate | 2015 |
| 101 Whichmore Properties Limited | Real estate | 2018 |
| 101-107 Avondale Road (Freehold) Company Limited | Households | 2025 |
| 101-109 Ladbroke Grove Management Limited | Households | 1988 |
| 101/103 Eaton Place Freehold Limited | Households | 1998 |
| 101/103 Northcote Road Management Company Limited | Households | 1986 |
| 1010 Aesthetics Ltd | Other services | 2024 |
| 1010 Capital Limited | Arts & recreation | 2024 |
| 1010 Cars TT Limited | Wholesale & retail | 2024 |
| 1010 Media Limited | Administrative & support | 2009 |
| 1010 Media Productions Limited | Information & communication | 2005 |
| 1010 Nail Care Ltd | Wholesale & retail | 2019 |
| 1010SUPERMARKET Ltd | Wholesale & retail | 2025 |
| 10121209 Limited | Wholesale & retail | 2016 |
| 1015 Limited | Information & communication | 2024 |
| 10151629 Limited | Wholesale & retail | 2016 |
| 1016 Consulting Ltd | Information & communication | 2024 |
| 101A Hornsey Lane Limited | Real estate | 2023 |
| 101AGENT Ltd | Information & communication | 2025 |
| 101BPM Ltd | Information & communication | 2016 |
| 101CYBERNETIC Ltd | Information & communication | 2025 |
| 101DIGITAL Ltd | Information & communication | 2026 |
| 101DOMAIN Limited | Information & communication | 2009 |
| 101SERVICES.LONDON Limited | Construction | 2023 |
| 102 Albion Road Limited | Households | 2018 |
| 102 and 104 Twickenham Road Freehold Limited | Real estate | 2015 |
| 102 Belgravia Road Ltd | Real estate | 2021 |
| 102 Cromwell Road Limited | Households | 1997 |
| 102 Earlsfield Road RTM Company Ltd | Households | 2016 |
| 102 Endymion Road Limited | Households | 2025 |
| 102 Fellows Road NW3 Limited | Other services | 2004 |
| 102 Ferme Park Road Limited | Extraterritorial | 2004 |
| 102 Finborough Road Management Company Limited | Households | 1997 |
| 102 Fleet Road Management Limited | Real estate | 2017 |
| 102 Goldhawk Road RTM Company Limited | Households | 2016 |
| 102 GR Limited | Real estate | 2019 |
| 102 Graham Road Limited | Households | 2010 |
| 102 Harley Street Limited | Real estate | 2013 |
| 102 Hermon Hill RTM Company Ltd | Households | 2025 |
| 102 Holland Road (Freehold) Limited | Households | 2011 |
| 102 Inderwick Road Limited | Extraterritorial | 2012 |
| 102 Interiors London Ltd | Professional & scientific | 2013 |
| 102 Investments L.P. | | 2008 |
| 102 Iverson Road Management Company Limited | Real estate | 1999 |
| 102 Landor Road RTM Company Limited | Households | 2018 |
| 102 Ledbury Road Limited | Real estate | 2020 |
| 102 Manor Park Ltd | Households | 2016 |
| 102 Medical Ltd | Health & social care | 2018 |
| 102 Offord Road Management Company Limited | Real estate | 2005 |
| 102 Old Brompton Limited | Real estate | 2020 |
| 102 Oxford Gardens Limited | Households | 2003 |
| 102 Palace Road Freehold Limited | Households | 2013 |