| Bristol Finance Limited | Professional & scientific | 2019 |
| Bristol Hair Loss Clinic Limited | Other services | 2022 |
| Bristol Power Chargers Ltd | Wholesale & retail | 2025 |
| Bristol Road Holdings Ltd | Real estate | 2017 |
| Bristol Spine Surgery Ltd | Health & social care | 2017 |
| Bristow & Hardy Limited | Professional & scientific | 2018 |
| Brit Agent Distribution and Acquisition Ltd | Transport & logistics | 2025 |
| Brit Asian Kitchen Limited | Hospitality | 2025 |
| Brit Construction Limited | Construction | 2025 |
| Brit Energy Services Ltd | Construction | 2025 |
| Brit Finds Ltd | Wholesale & retail | 2023 |
| Brit Furnishings Limited | Wholesale & retail | 2013 |
| Brit FX Limited | Financial services | 2019 |
| Brit Global Group UK Limited | Wholesale & retail | 2023 |
| Brit HEM Limited | Real estate | 2020 |
| Brit Housemove Ltd | Real estate | 2020 |
| Brit Intl Consultancy Ltd | Information & communication | 2025 |
| Brit Phones Ltd | Wholesale & retail | 2020 |
| Brit Pro Ltd | Wholesale & retail | 2024 |
| Brit Retail Limited | Wholesale & retail | 2019 |
| Brit Rooms Limited | Hospitality | 2026 |
| Brit Selnix Ltd | Wholesale & retail | 2026 |
| Brit Technologies Limited | Wholesale & retail | 2025 |
| Brit TEX Limited | Wholesale & retail | 2026 |
| Brit Textiles Limited | Wholesale & retail | 2026 |
| Britafrik Ltd | Wholesale & retail | 2025 |
| Britaly SM & Partners Limited | Professional & scientific | 2021 |
| Britania Cart Limited | Wholesale & retail | 2026 |
| Britania Logistic Ltd | Transport & logistics | 2020 |
| Britania Ventures Limited | Wholesale & retail | 2024 |
| Britania Wheels Ltd | Wholesale & retail | 2024 |
| Britannia Arts & Decors Ltd | Construction | 2025 |
| Britannia Auctions Limited | Wholesale & retail | 2019 |
| Britannia Battery Specialist (NW) Limited | Transport & logistics | 2008 |
| Britannia Beech Ltd | Real estate | 2023 |
| Britannia Care Homes Limited | Real estate | 1985 |
| Britannia Commerce Group Ltd | Wholesale & retail | 2025 |
| Britannia Developments Ltd | Financial services | 2021 |
| Britannia English Academy Limited | Education | 2012 |
| Britannia Express Logistics Ltd | Transport & logistics | 2025 |
| Britannia Fire Detection Limited | Arts & recreation | 1991 |
| Britannia General Limited | | 1994 |
| Britannia Gold Arrow Limited | Real estate | 2016 |
| Britannia Group Developments Limited | Financial services | 2024 |
| Britannia Group Holdings Limited | Financial services | 2021 |
| Britannia Group Investments Ltd | Financial services | 2021 |
| Britannia International Academy Limited | Education | 2024 |
| Britannia International Management Consultants Limited | Wholesale & retail | 2015 |
| Britannia Knitwear Manchester Limited | Manufacturing | 2023 |
| Britannia Local Ltd | Wholesale & retail | 2025 |
| Britannia MCR Ltd | Real estate | 2011 |
| Britannia Mills Management Limited | Real estate | 1998 |
| Britannia Minibuses Limited | Transport & logistics | 2010 |
| Britannia OIL Ltd | Manufacturing | 2025 |
| Britannia Pension Trustees Limited | Financial services | 2010 |
| Britannia Properties Group Ltd | Real estate | 2025 |
| Britannia Quay Management Company Limited | Households | 2003 |
| Britannia Realty Ltd | Real estate | 2022 |
| Britannia Spice Ltd | Hospitality | 2017 |
| Britannia Stockport Ltd | Households | 2022 |
| Britannia Support Services Ltd | Wholesale & retail | 2025 |
| Britannia Tailoring Ltd | Manufacturing | 2022 |
| Britannia Victoria Limited | Real estate | 2021 |
| Britannic Furniture Ltd | Manufacturing | 2019 |
| Britannica Creations Limited | Information & communication | 2010 |
| Britanza Ltd | Wholesale & retail | 2025 |
| Britasian News Ltd | Information & communication | 2014 |
| Britbrick Construction Ltd | Construction | 2024 |
| Britcom Hub Ltd | Wholesale & retail | 2021 |
| Britcore Trading Ltd | Extraterritorial | 2025 |
| Brite Electrical Ltd | Energy | 2021 |
| Brite Recruit Ltd | Administrative & support | 2026 |
| Britec Ltd | Wholesale & retail | 2026 |
| Britecom Solutions Ltd | Manufacturing | 2025 |
| Britedge Tech Ltd | Information & communication | 2025 |
| Britenzo Ltd | Wholesale & retail | 2026 |
| Britform Wholesale Ltd | Wholesale & retail | 2025 |
| Britfox Limited | Information & communication | 2018 |
| Brithome Solutions Limited | Construction | 2025 |
| Britian Logistics Ltd | Transport & logistics | 2021 |
| British American Football Association | Other services | 1987 |
| British Association for Sport and Law Limited | Other services | 2003 |
| British Basketball Federation | Arts & recreation | 2007 |
| British Blind Baseball CIC | Education | 2025 |
| British Cables Company Limited | Manufacturing | 2012 |
| British Comfort Solace Ltd | Wholesale & retail | 2026 |
| British Cycling Events Ltd | Arts & recreation | 2008 |
| British Cycling Foundation | Education | 2024 |
| British Lacrosse Ltd | Arts & recreation | 2020 |
| British Mountaineering Council | Other services | 1993 |
| British Northrop Limited | Extraterritorial | 1902 |
| British Poultry Science Limited | Information & communication | 1962 |
| British Study Centres Teacher Training Limited | Education | 2013 |
| British Taekwondo Limited | Arts & recreation | 2011 |
| British Textile Machinery Association | Other services | 2004 |
| British Veterinary Chronic Illness Support CIC | Professional & scientific | 2022 |
| Britkart Ltd | Wholesale & retail | 2025 |
| Britlane Ltd | Professional & scientific | 2025 |
| Britlaw Chambers Ltd | Professional & scientific | 2020 |
| Britlodge Limited | Hospitality | 2025 |