| Buzz Safety Consultants Ltd | Sowerby Bridge | 2016 |
| Buzz Travel Consulting Limited | West Byfleet | 2016 |
| Buzzbee Handyman Solutions Ltd | Rainham | 2024 |
| Buzzchat Ltd | London | 2019 |
| Buzzco Ltd | Dalgety Bay | 2023 |
| Buzzcut Barber Ltd | Hull | 2025 |
| Buzzcutz Ltd | London | 2023 |
| Buzzed UP Barber Limited | Hetton Le Hole | 2025 |
| Buzzer & Co Ltd | Teddington | 2022 |
| Buzzly Ltd | London | 2024 |
| Buzztech Limited | London | 2008 |
| Buzzy Bees Physiotherapy Ltd | Belper | 2024 |
| Buzzz Barbers Limited | Crawley | 2016 |
| Buíoch Ltd | Callander | 2025 |
| BV Carpentry Services Ltd | Poole | 2018 |
| BV Consulting (London) Limited | Sevenoaks | 2024 |
| BV Holdings 1 Limited | Cottingham | 2025 |
| BV Tech Ltd | Northampton | 2015 |
| BVA Limited | Edgware | 2014 |
| Bvcm Co. Ltd | Templecombe | 2003 |
| Bveoa | Tonbridge | 2021 |
| BVH Beauty Company Limited | London | 2025 |
| BVI Victoria Limited | Warwickshire | 2019 |
| Bviuk Ltd | Banbury | 2019 |
| Bvlmzd Ltd | Telford | 2023 |
| Bvma Enterprises | Reading | 1999 |
| Bvnk ST. Tattoo Ltd | Dundee | 2020 |
| BVO Ltd | Folkestone | 2021 |
| BVR Yachting Ltd | Swindon | 2022 |
| Bvra Ltd | Tavistock | 2020 |
| Bvrla Services Limited | Amersham | 2005 |
| BVS London VIP Ltd | London | 2024 |
| BVS Wandsworth Ltd | London | 2021 |
| BVT 917 Limited | Ashington | 2019 |
| Bvtv Media Ltd | Newbiggin-By-The-Sea | 2022 |
| Bvvlad Transport Ltd | Nottingham | 2018 |
| BW Barbering Limited | Darlington | 2025 |
| BW Barbers Limited | Marlborough | 2022 |
| BW Collective Ltd | Brighton | 2022 |
| BW Foundation | Harrow | 2007 |
| BW Hair Ltd | Wakefield | 2025 |
| BW Home & Garden Care Ltd | Norwich | 2025 |
| BW Medaesthetics Ltd | Aldershot | 2024 |
| BW Pase Limited | Borehamwood | 2010 |
| BW Performance Farriery Limited | Burton-On-Trent | 2026 |
| BW Therapy Limited | Stockport | 2024 |
| BWA (Bracknell UK) Ltd | Barking | 2015 |
| BWA Immigration and Asylum Consultants Ltd | St. Albans | 2024 |
| Bwamanga Sustainable Investment Advisors Limited | Surbiton | 2011 |
| Bwasoc | Bourne End | 2012 |
| BWB Regeneration Trustee Limited | Nottingham | 2008 |
| Bwba Cosmetics Ltd | Stockton On Tees | 2020 |
| BWC Altrincham Ltd | Manchester | 2022 |
| BWC Offshore Ltd | Warrington | 2019 |
| Bwdc Ltd | London | 2025 |
| BWF Enterprise Ltd | West Mickley, Stocksfield | 2022 |
| BWF Investments Ltd | Sevenoaks | 2014 |
| BWH Manufacturing Limited | Elland | 1978 |
| BWI Live Ltd | London | 2023 |
| BWI Online Ltd | London | 2023 |
| BWI Storage Limited | Bolton | 2011 |
| Bwiggins Fitness Ltd | London | 2024 |
| BWK Limited | Basildon | 2022 |
| Bwlch-Y-Cibau Fish Ltd | Loughborough | 2019 |
| BWT Developments Ltd | London | 2011 |
| BWT Pharma & Biotech (UK) Ltd | Newcastle | 2020 |
| BWT Training Limited | Stalybridge | 2022 |
| Bwtraining Ltd | Chippenham | 2023 |
| Bwyd DA MON CBC | Llangefni | 2020 |
| BX Corp. Ltd | Whitley Bay | 2017 |
| BX IT Limited | Reading | 2018 |
| BXD Ltd | Watford | 2023 |
| BXJ Limited | Manchester | 2018 |
| Bxquk Ltd | Bracknell | 2022 |
| Bxrbers Ltd | Greater Manchester | 2019 |
| BY -Blesbeauty Salon Limited | Croydon | 2023 |
| BY A.E.C MCR Ltd | Manchester | 2023 |
| BY Alerograce&Co. Ltd | London | 2024 |
| BY Alicia Ltd | Leeds | 2024 |
| BY Amara Ltd | London | 2025 |
| BY Amey Ltd | Milton Keynes | 2025 |
| BY AMG Limited | Chester | 2025 |
| BY AMI Beauty Studio Ltd | Kington | 2025 |
| BY AMY Aesthetics Limited | Wellingborough | 2023 |
| BY Anna Elizabeth Limited | Martock | 2022 |
| BY Anna Limited | Grimsby | 2020 |
| BY Basquine Ltd | Mildenhall | 2024 |
| BY Bear (NI) Limited | Holywood | 2014 |
| BY Beauty Academy Ltd | Manchester | 2024 |
| BY Beauty Training Ltd | Swindon | 2021 |
| BY Bella Beauty Limited | Selby | 2025 |
| BY Bibi Limited | London | 2016 |
| BY Bridie Brows Ltd | Sheffield | 2025 |
| BY Caitlyn Collection Ltd | Newtownards | 2023 |
| BY Carly Ltd | London | 2026 |
| BY Cerys Ltd | Stockport | 2024 |
| BY Chloe Leah Beauty Limited | Waterlooville | 2019 |
| BY Chloe Ltd | Doncaster | 2026 |
| BY Cilla Ltd. | London | 2025 |
| BY Cloe Co Ltd | Treharris | 2026 |