| Barry Hunt Limited | West Sussex | 2002 |
| Barry Keene Limited | Bridgend | 2006 |
| Barry Khan Ltd | Thornton Heath | 2026 |
| Barry Maher MPS Services Limited | Wigan | 2017 |
| Barry Mcguire Painter & Decorator Limited | Glasgow | 2013 |
| Barry Millers Limited | Rushden | 2013 |
| Barry Nails & Beauty Limited | Barry | 2022 |
| Barry Petrie Services Ltd | Alloa | 2014 |
| Barry Road Accommodation Services Limited | Kings Hill, West Malling | 2007 |
| Barry Rubbish Removals Limited | Cardiff | 2006 |
| Barry's Bootcamp UK Limited | London | 2017 |
| Barry's Electricals and Plumbing Ltd | Sheffield | 2017 |
| Barrygozz Limited | Loughton | 2025 |
| Barryp Ltd | London | 2025 |
| Barrys Barbers Ltd | Carshalton | 2021 |
| Bars Barbers Limited | Macclesfield | 2021 |
| Bars Security Locksmith Ltd | Colchester | 2025 |
| Barsby Engineering Limited | Leicester | 2020 |
| Barsc Ltd | Woking | 2021 |
| Barssi Ltd | London | 2025 |
| Barstrategy Limited | London | 2023 |
| Bart BRZ Ltd | Bournemouth | 2019 |
| Barta Limited | Bromley | 2005 |
| Barta Repair Ltd | London | 2024 |
| Bartech Industrial Services Limited | Nottingham | 2010 |
| Bartell Cottage Furnishings Limited | Manchester | 1993 |
| Bartf Productions | Birmingham | 2005 |
| Bartholemew Birds & Fish Limited | Basildon | 2023 |
| Bartholomew and Sons (Maltby) Ltd | Rotherham | 2020 |
| Bartholomew and Sons Ltd | Rotherham | 2018 |
| Bartholomew Group Ltd | Bristol | 2025 |
| Bartizan Bar Solutions (UK) Ltd | Blackburn | 2013 |
| Bartlett Hair Limited | Biggin Hill | 2026 |
| Bartlett Maintenance Ltd | Westcliff On Sea | 2018 |
| Bartlett Research & Consultancy Limited | London | 2015 |
| Bartlett SET Design Limited | London | 2019 |
| Bartlett Thomas Limited | London | 2023 |
| Bartley & Bartley's Limited | Nottingham | 2016 |
| Bartley Services Ltd | Milton Keynes | 2022 |
| Bartleyballers Ltd | London | 2025 |
| Bartolotti Limited | Stratford-Upon-Avon | 2025 |
| Barton & Co Limited | Sevenoaks | 2013 |
| Barton Beauty Bar Ltd | Bedford | 2025 |
| Barton Bridging Limited | Hertford | 2019 |
| Barton Car Wash & Valeting Limited | Barton On Humber | 2024 |
| Barton Car Wash Limited | Hull | 2018 |
| Barton Community Association | Oxford | 2003 |
| Barton Court Residents Management Limited | Woolacombe | 1989 |
| Barton Dene Luxury Animal Boarding Establishment Ltd | Leyland | 2024 |
| Barton Domestic Skip and Grab Hire Limited | Stevenage | 2014 |
| Barton Evolution Limited | Hertford | 2019 |
| Barton Investments Limited | Swadlincote | 2022 |
| Barton Laundromat Limited | Earls Croome | 1964 |
| Barton Minty Limited | Northwood Hills | 2010 |
| Barton Upon Humber Estates Limited | Salford | 2019 |
| Barton Upon Humber Holdings Limited | Salford | 2019 |
| Barton Valeting Ltd | Bedford | 2019 |
| Barton Washateria Ltd | Ryde | 2019 |
| Bartrams Holdings Ltd | Pinner | 2020 |
| Barts Barbers Ltd | Maidenhead | 2022 |
| Bartwood Limited | Newcastle Upon Tyne | 1994 |
| Barva Consulting Ltd | London | 2024 |
| Barvas and Brue Community Centre | Barvas | 2002 |
| Barvek & Bland Ltd | Gainsborough | 2021 |
| Barview House Ltd | Newry | 2017 |
| Barview House Management Committee Ltd | Coleraine | 2007 |
| Barwell Scotland Ltd | Motherwell | 2023 |
| Barza Barber Limited | Ashton-Under-Lyne | 2025 |
| Barzakh Ltd | Birmingham | 2011 |
| Barzakh Muslim Funerals Limited | Bolton | 2012 |
| Barzan Ltd | London | 2025 |
| Barzan NE Ltd | Bishop Auckland | 2026 |
| Barzan Westerham Barber Ltd | Westerham | 2024 |
| BARZAN2003 Ltd | Bournemouth | 2019 |
| Barzey-Francois Limited | Manchester | 2012 |
| Barznjy Ltd | Nottingham | 2024 |
| BAS Young Massage & Spa Ltd | Middlesbrough | 2025 |
| Basa Events Ltd | Edenbridge | 2024 |
| Basadi Bame Limited | Manchester | 2024 |
| Basami Ltd | London | 2018 |
| Basant Foods Limited | Southall | 2021 |
| Basbe Services Ltd | Washington | 2022 |
| Basc Direct Limited | Wrexham | 2014 |
| Basc Limited | Wrexham | 2003 |
| Base & Bliss Ltd | London | 2024 |
| Base 2020 Electrical Ltd | Hainault | 2015 |
| Base Aesthetics Limited | Wolverhampton | 2021 |
| Base Batley Ltd | Batley | 2022 |
| Base Beauty Salon Ltd | Leeds | 2019 |
| Base Circuit Ltd | London | 2025 |
| Base Hair & Beauty (Whitefield) Limited | Manchester | 2017 |
| Base Hair Academy Limited | Warrington | 2018 |
| Base Hair Ltd | Sutton | 2018 |
| Base Health Ltd | Stockbridge | 2025 |
| Base Homecover Limited | Manchester | 2021 |
| Base Jump Logic Limited | Abergavenny | 2024 |
| Base Level Limited | Towcester | 2021 |
| Base Parking Ltd | Liverpool | 2012 |
| Base Professional Aesthetics Limited | Gosforth | 2023 |
| Base Structures Group Limited | Bridgwater | 2018 |