| Barefaced Beauty Ltd | London | 2005 |
| Barefaced Limited | Brighton | 2009 |
| Barefoot African Ltd | London | 2024 |
| Barefoot Bumpkin Ltd | Watlington | 2026 |
| Barefoot Chic Limited | London | 2007 |
| Barefoot Nutrition Ltd | Penryn | 2017 |
| Barefoot Oxford Group Limited | Oxford | 2023 |
| Barefoot Oxford Limited | Oxford | 2013 |
| BAREFOOT7 Ltd | Lockerbie | 2020 |
| Bareform Brands Limited | Teddington | 2025 |
| Bareilly Shop Ltd | Salford | 2019 |
| Barek Lift Trucks Limited | Hull | 1996 |
| Barek Neverlandess Ltd | London | 2024 |
| Barely a Plan Ltd | Wakefield | 2026 |
| Barely Artificial Ltd | Nottingham | 2026 |
| Barenco Limited | Nottingham | 2006 |
| Barenson Engineering Co.Limited | Theale | 1964 |
| Barentta Limited | Birmingham | 2025 |
| Baresh Optical Limited | Brighouse | 2013 |
| Baresi & Caine Ltd | Wilmslow | 2020 |
| Bareskin Rituals Limited | Nottingham | 2025 |
| Barfab (NW) Limited | Oldham | 2019 |
| Barfield P a Limited | Colchester | 2010 |
| Barfit Joinery Ltd | Loughton | 2019 |
| Barfit Limited | Huddersfield | 2007 |
| Barford Education and Training (North East) Limited | Basildon | 2001 |
| Barford Equipment Ltd | Omagh | 2017 |
| Barford Imports Limited | Halifax | 1985 |
| Barford Industries Limited | Upminster | 2002 |
| Bargain Beds & Furniture Warehouse Ltd | London | 2025 |
| Bargain Blinds (Wales and South West) Limited | Pontyclun | 2013 |
| Bargain Box (UK) Limited | Manchester Road | 2004 |
| Bargain Buyz Ltd | Birmingham | 2025 |
| Bargingoods Limited | London | 2025 |
| Barham Lane Designs Ltd | Canterbury | 2025 |
| Barham Railway Limited | Rainham | 2016 |
| Barham Stone Limited | Market Harborough | 2002 |
| Bari Tea Wholesale Ltd | Alnwick | 2018 |
| Baria Fashions Limited | Leicester | 1991 |
| Baria Marine Ltd | Plymouth | 2025 |
| Bariatric Training Mannequins Ltd | Stockport | 2012 |
| Baric Containers Limited | Shipley | 2021 |
| Baridi Services Limited | London | 2014 |
| Baring Defence Limited | Witney | 2026 |
| Baris Koken Limited | London | 2026 |
| Barista 999 Limited | Whitstable | 2016 |
| Barista and Baker Limited | Birmingham | 2021 |
| Barista Culture Ltd | Cardiff | 2025 |
| Barista Life Limited | Tring | 2017 |
| Barista Mate Ltd | London | 2021 |
| Barista Verde Limited | Cambridge | 2020 |
| Baristocracy Coffee Limited | North Shields | 2017 |
| Barjis Limited | London | 2006 |
| Barjo Cages and Guards Limited | Wokingham | 2000 |
| Bark & Purr Pet Foods Limited | Blackburn | 2024 |
| Bark & Steel Ltd | Southampton | 2019 |
| Bark & Vibe Ltd | Huddersfield | 2024 |
| Bark and Ride Limited | Edinburgh | 2016 |
| Bark and Shout Ltd | London | 2021 |
| Bark and Stitch Ltd | Faversham | 2025 |
| Bark Boxes Limited | Hexham | 2020 |
| Bark Brick & Block Ltd | Cheadle | 2018 |
| Bark Butchers Limited | Manchester | 2025 |
| Bark Group Ltd | London | 2021 |
| Bark Products Ltd | Leeds | 2022 |
| Barka Furniture Ltd | Montrose | 2022 |
| Barka P&D UK Ltd | Sleaford | 2023 |
| Barkat Jewellers Northwest Ltd | Rochdale | 2021 |
| Barkat Knitwear MFG. Co. Limited | Salford | 1968 |
| Barkby Knives Leicester Limited | | 2005 |
| Barkby Knives Limited | Area Leicester | 1991 |
| Barkby Ltd | Leicester | 2021 |
| Barked About Ltd | Sevenoaks | 2025 |
| Barkeng MAD Limited | Derbyshire | 2007 |
| Barker & Bland Limited | Penrith | 2012 |
| Barker & Co (Coachbuilders) Ltd | Coventry | 2017 |
| Barker & Geary Limited | Nr Stockbridge | 1976 |
| Barker & Hird (PP) Limited | Colchester | 1989 |
| Barker & Pattichis Limited | Bolton | 2013 |
| Barker & Simpkins (Hull) Limited | Hull | 2006 |
| Barker & Sons Plumbing Ltd | Swadlincote | 2023 |
| Barker (Essex) Limited | Chelmsford | 2018 |
| Barker and Patterson (UK) Limited | Hull | 2001 |
| Barker and Vickers Perfumery Limited | Doncaster | 2026 |
| Barker Bespoke Limited | Biggleswade | 2026 |
| Barker Cards Ltd | Braintree | 2013 |
| Barker Electrical Group Limited | Driffield | 2026 |
| Barker Industrial Services Limited | Widnes | 2017 |
| Barker Labels Ltd | Warrington | 2011 |
| Barker Screen Prints Limited | Keighley | 2004 |
| Barker Shoes Limited | Northants | 1914 |
| Barker Sign Services Limited | Stamford | 2014 |
| Barker Testing Limited | Prestatyn | 2015 |
| Barker's (Cambridge) Ltd | Liverpool | 2001 |
| Barker,Barker&Stone Ltd | Sudbury | 2023 |
| Barker-Mayne Ltd | Ruthin | 2023 |
| Barkerend Meat & Poultry Limited | Bradford | 2020 |
| Barkers Engineering Limited | Solihull | 1958 |
| Barkers Installation Ltd | Pontefract | 2026 |
| Barkers Lithographic Printers Limited | Rochester | 2003 |