| Bloomage Biotech Limited | London | 2026 |
| Bloomage Limited | London | 2026 |
| Bloombar Trustees Limited | Nottingham | 2024 |
| Bloomberg Trading Facility Limited | London | 2014 |
| Bloomer Wealth Management Limited | Solihull | 2018 |
| Bloomers Holdings Limited | Edinburgh | 2014 |
| Bloomfield and Associates Ltd | Gillingham | 2005 |
| Bloomfield Corporate Consultancy Limited | Belfast | 2012 |
| Bloomfield Finance Limited | Maldon | 2024 |
| Bloomfield Financial Limited | Houghton Le Spring | 2013 |
| Bloomfield Group Holdings Ltd | Gillingham | 2024 |
| Bloomfield Health Holdings Limited | Alton | 2021 |
| Bloomfield Holdings Ltd | Swadlincote | 2026 |
| Bloomfield Medical (Holdings) Limited | Merseyside | 2023 |
| Bloomfield Risk Management Ltd | Gloucester | 2008 |
| Bloomfield Trading Ltd | Ingatestone | 2019 |
| Bloomfield Ventures Limited | Forfar | 2018 |
| Bloomfield Wealth Management Ltd | Worcester | 2014 |
| Bloomfields Group Limited | Portsmouth | 2024 |
| Bloomford Limited | St. Neots | 2025 |
| Bloomhill Insurance Solutions Limited | Basingstoke | 2007 |
| Blooming Birds Nurseries Limited | Romford | 2025 |
| Blooming Group Holdings Ltd | Birmingham | 2026 |
| Blooming Thels Holdings Ltd | London | 2024 |
| Bloompark (Rutland) Limited | Peterborough | 2018 |
| Blooms Group Ltd | London | 2026 |
| Blooms Holdings Limited | London | 2018 |
| Bloomsberry Holdings Limited | Lytham St. Annes | 2017 |
| Bloomsberry Property Holding Limited | London | 2021 |
| Bloomsbury Holdings Limited | London | 2016 |
| Bloomsbury Information Capital Limited | London | 2022 |
| Bloomsbury Investing Limited | Worthing | 2025 |
| Bloomsbury Limited | Malvern | 2005 |
| Bloomsbury Natural Capital Limited | London | 2021 |
| Bloomsbury Parr Consultancy Ltd | London | 2016 |
| Bloomsbury Property Finance Limited | Maldon | 2008 |
| Bloomsbury Square Global Capital Limited | Cowes | 2025 |
| Bloomsbury Trading Analytical Limited | London | 2021 |
| Bloomsbury Trading Ltd | Cheadle | 2025 |
| Bloomsbury Trust Ltd | Cardiff | 2025 |
| Bloomsbury Ventures Ltd | Cardiff | 2025 |
| Bloomsmith Finance Limited | Horsforth | 2016 |
| Bloomsmith Funding Limited | Horsforth | 2025 |
| Bloomsmith Three Ltd | Horsforth | 2024 |
| Bloomtech Business Services Limited | Porthcawl | 2024 |
| Bloomvell Wealth Limited | London | 2025 |
| Bloor Holdings NW Limited | Stoke-On-Trent | 2021 |
| BLOOR55 Holdings Ltd | London | 2026 |
| Bloorie Group Limited | Wolverhampton | 2017 |
| Blorenge Holdings Ltd | Newport | 2025 |
| Blossom & Co Holdings Ltd | Leicester | 2025 |
| Blossom and Pearl Holdings Limited | Lytham St. Annes | 2020 |
| Blossom and Pearl Investments Limited | Lytham St. Annes | 2020 |
| Blossom Care Properties Limited | Bromsgrove | 2017 |
| Blossom Children’S Homes (Holdings) Limited | London | 2024 |
| Blossom EOT Limited | Rotherham | 2025 |
| Blossom Financial Planning Ltd | Derby | 2020 |
| Blossom Group Holdings Limited | Dudley | 2017 |
| Blossom Healthcare Group Limited | Harlow | 2020 |
| Blossom Holding Group Ltd | Doncaster | 2020 |
| Blossom Investments Holding Ltd | Kingston Upon Thames | 2025 |
| Blossom Leaf Holdings Ltd | Linwood | 2026 |
| Blossom Leasing Limited | Cheltenham | 2009 |
| Blossom Lion Propco Limited | London | 2026 |
| Blossom Mortgage Services Ltd | Glasgow | 2017 |
| Blossom Syndicate Limited | London | 2024 |
| Blossom Tree Ventures Ltd | London | 2018 |
| Blossom Ventures Limited | Kingston Upon Thames | 2009 |
| Blossom Wealth Management Ltd | Bolton | 2018 |
| Blossom Wellbeing Group Limited | Sheffield | 2014 |
| Blossomfield Estates Ltd | Lichfield | 2021 |
| Blossomfield Group Ltd | Solihull | 2020 |
| Blossomfield Mortgages Ltd | Birmingham | 2019 |
| Blossoming Holding Ltd | London | 2017 |
| Blossoms (Group Holdings) Limited | Sittingbourne | 2015 |
| Blossoms Blooming Holding Group Ltd | Northallerton | 2024 |
| Blossoms Holdings Ltd | Birmingham | 2022 |
| Blossomwood Limited | Cullompton | 2026 |
| Blount Logistics Limited | Ashbourne | 2014 |
| Blousie and Frank Holdings Limited | Bradford-On-Avon | 2026 |
| Blow Group Limited | Sutton-In-Ashfield | 2024 |
| Blower Holdings Limited | Fareham | 2008 |
| Blowfish Financial Services Limited | Nottingham | 2005 |
| Blowfish Group Limited | Ormskirk | 2018 |
| Blowpay Ltd | London | 2025 |
| Blox Finance Ltd | London | 2024 |
| Blox Holdings Limited | Grimsby | 2019 |
| Bloxbase Group Ltd | Birmingham | 2024 |
| Bloxcel Ltd | London | 2026 |
| Bloxco Holdings Limited | Huddersfield | 2019 |
| Bloxham Holdings Limited | Brentwood | 2017 |
| Bloxham's Holdings Limited | Torquay | 2024 |
| Bloxham, Brooks & Bailey Ltd | Loughborough | 2018 |
| BLP Group Ltd | Maldon | 2014 |
| BLP Technical Services (UK) Ltd | London | 2011 |
| BLP Wealth Management Ltd | Wimborne | 2020 |
| Blpv Holdings Ltd | Harrow | 2023 |
| BLR Finance Ltd | London | 2026 |
| Blrh Group Ltd | Newport | 2025 |
| Blrv Ltd | Wilmslow | 2023 |