| Blastoffni Limited | Carrickfergus | 2010 |
| Blaston & District Agricultural Show Society | Corby | 2009 |
| Blatant Enterprises Ltd | Streatham | 2012 |
| Blatchington Launderette Ltd | Hove | 2022 |
| Blaydon Barber Limited | Blaydon-On-Tyne | 2017 |
| Blaydon Communications Limited | Tyne & Wear | 1972 |
| Blaydon Nails Ltd | Blaydon-On-Tyne | 2021 |
| Blaydon Turkish Barber Limited | Blaydon-On-Tyne | 2023 |
| Blaymc Ltd | West Derby | 2026 |
| Blaze Barber Limited | Edinburgh | 2022 |
| Blaze Fireworks Ltd | Hornchurch | 2014 |
| Blaze Hair Ltd | Rugby | 2020 |
| Blaze Parking Management Ltd | London | 2020 |
| Blaze Squad Ltd | Great Yarmouth | 2024 |
| Blaze Sunbed and Tanning Limited | Glasgow | 2018 |
| Blaze Tanning Airdrie Ltd | Airdrie | 2020 |
| Blaze Technology Limited | London | 2025 |
| Blaze the Lash Room Ltd | Wrexham | 2019 |
| Blazemint Ltd | East Boldon | 2009 |
| Blazersriders Limited | Harlow | 2025 |
| Blazeshift Ltd | Devon | 2024 |
| Blazing Bikes Limited | Church Stretton | 2017 |
| BLB Advertising Limited | Romford | 2013 |
| BLB Barbers Ltd | London | 2016 |
| BLB Holding Ltd | London | 2015 |
| Blbe Ltd | Moreton-In-Marsh | 2023 |
| Blbt Ltd | Dartford | 2014 |
| Blbworld Ltd | London | 2023 |
| Blck Book Limited | Tarporley | 2026 |
| Blco Fenham Ltd | Newcastle Upon Tyne | 2019 |
| Bleach Aura Studio Ltd | London | 2026 |
| Bleach Brixton Ltd | London | 2017 |
| Bleach Limited | Poole | 2018 |
| Bleary Farmers Hall Management Committee | Craigavon | 2012 |
| Blease Chemistry Limited | Ewloe | 2023 |
| Bleck Business Limited | Colchester | 2021 |
| Bleecker & Laguardia Limited | London | 2013 |
| Bleecker Production Services Limited | London | 2006 |
| Bleik Treader Ltd | London | 2025 |
| Blema Dancers Ltd | London | 2014 |
| Blemish Free Ltd | Winchester | 2021 |
| Blemiviv Koncept Limited | London | 2020 |
| Blencora Ltd | Slough | 2019 |
| Blend & Blade Ltd | Surbiton | 2025 |
| Blend Barber Studio Ltd | West Calder | 2025 |
| Blend Barbers Limited | Nottingham | 2008 |
| Blend Beauty Limited | Derby | 2014 |
| Blend by G Limited | Leeds | 2025 |
| Blend by Nadia Murray Limited | Glasgow | 2025 |
| Blend EXT Co Limited | Ongar | 2026 |
| Blend Hair Limited | Wimborne | 2021 |
| Blend Hair Manchester Limited | Leigh | 2025 |
| Blend Hair Studio Ltd | Kidderminster | 2023 |
| Blend Makeup Ltd | Sidcup | 2015 |
| Blend Milkshakes Ltd | Milton Keynes | 2019 |
| Blend NE Limited | North Shields | 2024 |
| Blend Network Ltd | Calne | 2023 |
| Blend Salon Inverness Ltd | Inverness | 2022 |
| Blend Unit Ltd | Cardiff | 2026 |
| Blend.Hairdressing Ltd | York | 2024 |
| Blendbyhan Ltd | Doncaster | 2023 |
| Blended Academy Ltd | Huddersfield | 2025 |
| Blended Aesthetics Ltd | Slough | 2024 |
| Blended Barbers Ltd | Stafford | 2025 |
| Blended by Chan Conway Limited | Ashford | 2023 |
| Blended by Paige Limited | Leamington Spa | 2020 |
| Blended Hair & Wellness Ltd | London | 2026 |
| Blended Hair (Rugby) Limited | Leamington Spa | 2025 |
| Blended Hair Extensions Ltd | Huddersfield | 2024 |
| Blended Hairdresser Ltd | Canvey Island | 2022 |
| Blended Industries Limited | Farnborough | 2006 |
| Blended Lifestyle Limited | Liverpool | 2025 |
| Blended Limited | Grimsby | 2008 |
| Blended North Ltd | Clitheroe | 2024 |
| Blended Republic Ltd | London | 2010 |
| Blended Roots Ltd | Cambridge | 2023 |
| Blended Salon Ltd | Littlehampton | 2025 |
| Blended Wellbeing Limited | Reading | 2026 |
| Blended Wine Consultancy Ltd | Manchester | 2023 |
| Blenders Barber Ltd | Carlisle | 2023 |
| Blenders Barbers 54 Ltd | Carlisle | 2026 |
| Blendie Ltd | London | 2025 |
| Blending Barbers Ltd | Grain | 2023 |
| Blendly Hair Studio Ltd | Spalding | 2025 |
| Blendmate Ltd | London | 2025 |
| Blendsetters Ltd | London | 2023 |
| Blendtayga Ltd | London | 2024 |
| Blendz Barbers Ltd | London | 2023 |
| Blendz Limited | Luton | 2016 |
| Blendé Hair Limited | York | 2025 |
| Blenheim & Brook Ltd | Winchmore Hill | 2026 |
| Blenheim and Blue Ltd | Alfreton | 2015 |
| Blenheim Headspa Ltd | Woodstock | 2025 |
| Blenkiron Holdings Ltd | Bishop Auckland | 2024 |
| Blenks Financial Limited | London | 2017 |
| Bler Construction Ltd | London | 2018 |
| Blesel Services Limited | Birmingham | 2020 |
| Blesovsky Limited | Newbury | 2015 |
| Bless & Tony Limited | London | 2008 |
| Bless Amelie Limited | Blackpool | 2025 |