| Brix Plumbing & Heating Limited | Worthing | 2011 |
| Brix Ventures Ltd | Newton Abbot | 2026 |
| Brixbox Ltd | Burnley | 2023 |
| Brixcell Ltd | Cirencester | 2019 |
| Brixham Distillery Ltd | Brixham | 2019 |
| Brixham Maid Ltd | Brixham | 2016 |
| Brixham Trawl Makers Limited | Brixham | 2012 |
| Brixton Brewery Limited | London | 2013 |
| Brixton Medical Limited | Waterlooville | 2022 |
| Brixton Nano Brewery Limited | London | 2022 |
| Brixworth Engineering Company Limited(The) | Northampton | 1965 |
| Brize Services Ltd | Brize Norton | 2023 |
| BRJ Engineering Limited | Witney | 2006 |
| BRJ Hire Solutions Ltd | Corby | 2015 |
| BRJ Steel Structures Limited | Helions Bumpstead | 2012 |
| Brkx Ltd | Enfield | 2025 |
| BRM Advanced Ltd | London | 2025 |
| BRM Metals Ltd | London | 2023 |
| Brm&Co Ltd | London | 2019 |
| BRN Engineering Ltd | Chorley | 2021 |
| BRN Services Ltd | London | 2021 |
| Brnd Ctrl Ltd | London | 2025 |
| Brniko. Co., Ltd | Kenilworth | 2021 |
| BRO Bradea Composites Ltd | Cambridge | 2023 |
| BRO Ddyfi Timber Ltd | Machynlleth | 2024 |
| BRO Maintenance Limited | Glasgow | 2024 |
| BRO O&M Ltd | London | 2024 |
| BRO! Clothing Ltd. | Shepperton | 2011 |
| Bro-Tech Limited | Llantrisant | 1984 |
| Broad and Turner Ltd | Bodmin | 2026 |
| Broad Oak Colour Printers Limited | Canterbury | 1987 |
| Broad Oak Farm Sausage Co. Limited | Bishops Stortford | 1986 |
| Broad Oaks Building Solutions Limited | Solihull | 2011 |
| Broad Stone Cast Products Limited | Industrial Est, Wimborne | 1998 |
| Broadbent Customer Services Limited | West Yorkshire | 1965 |
| Broadbent Fabguard Ltd | Halifax | 2024 |
| Broadbent Fabrications Ltd | Halifax | 2026 |
| Broadbent Industrial Supplies Ltd | Halifax | 2020 |
| Broadbent Laundry Systems Limited | Yorks | 1977 |
| Broadbent Stanley Machine Tools Limited | Halifax | 2017 |
| Broadblast Limited | Sheffield | 1981 |
| Broadbridge Precision Engineering Limited | Crawley | 1977 |
| Broadcast Service Centre Limited | Henley-On-Thames | 1993 |
| Broadcast System Installation Ltd | Bracknell | 2014 |
| Broadcast Warehouse Limited | Croydon | 1999 |
| Broadcliffe Fabrications Ltd | Halifax | 2018 |
| Broadcloth Limited | Stroud | 2017 |
| Broadclough Furniture Ltd | Bacup | 2024 |
| Broadcrown Holdings Limited | Stoke-On-Trent | 1997 |
| Broadex Technologies UK Limited | Livingston | 2019 |
| Broadfast Limited | Birmingham | 1992 |
| Broadfisher Limited | Enderby | 2004 |
| Broadgate Energy Limited | Northampton | 1989 |
| Broadgate Environmental Services Limited | Farnham | 2020 |
| Broadgate Joinery Ltd | Leeds | 2025 |
| Broadheath Forge Ltd | Worcester | 2025 |
| Broadhomeuk Ltd | London | 2022 |
| Broadies Supplements Limited | Frome | 2019 |
| Broadland Alarms Limited | Norwich | 2011 |
| Broadland Digital Limited | Norwich | 2003 |
| Broadland Drinks Limited | Norwich | 1965 |
| Broadland Glass Fibre Limited | Norwich | 2012 |
| Broadland Glass Services Ltd | United Kingdom | 2010 |
| Broadland Hams (Norfolk) Limited | Norwich | 1979 |
| Broadland Products Limited | Norwich | 2001 |
| Broadland Radiators and Heat Exchangers Limited | Norwich | 1990 |
| Broadland Windows Limited | Norwich | 1974 |
| Broadlea Furniture Limited | Bradford | 2026 |
| Broadleaf (Aberystwyth) Limited | Cardigan | 2004 |
| Broadleaf Carpentry Ltd | Bangor | 2017 |
| Broadleaf Joinery (York) Ltd | London | 2024 |
| Broadleaf Timber Limited | Ammanford | 2010 |
| Broadlee Printers Limited | Tamworth | 2003 |
| Broadley Corporate Livery Ltd | Hull | 2023 |
| Broadley-James Limited | Bedfordshire | 2000 |
| Broadlondon Ltd | London | 2025 |
| Broadmark Doors Limited | Oldham | 2021 |
| Broadmay Ltd. | Esher | 2018 |
| Broadmoor Brickworks Limited | Manchester | 1983 |
| Broadoak Cider Company Limited | Bristol | 2007 |
| Broadoak Gear Cutting and Engineering Ltd | Woodford Green | 2010 |
| Broadoak Manufacturing Limited | Aldershot | 1995 |
| Broadrace Limited | Swindon | 1984 |
| Broadreach Integrity Ltd | Swansea | 2024 |
| Broads Beef and Lamb Ltd | Norwich | 2024 |
| Broads GIN Ltd | Norwich | 2020 |
| Broadscope Global Ltd | Kington | 2026 |
| Broadside Boatyard Limited | West Sussex | 2005 |
| Broadstairs Botanicals CIC | Broadstairs | 2024 |
| Broadsteel Construction Limited | Norwich | 2021 |
| Broadsword Air Ambulance Ltd | Portsmouth | 2025 |
| Broadsword Helicopters Ltd | Portsmouth | 2025 |
| Broadsword Industries Ltd | Sheffield | 2010 |
| Broadsword Timber Limited | Cross Hills | 2003 |
| Broadsword U.K. Limited | | 2000 |
| Broadtown Brewery Ltd | London | 2018 |
| Broadwater Mouldings Limited | Suffolk | 1971 |
| Broadway & Co.,Limited | Birmingham | 1902 |
| Broadway (Bristol) Tools Limited | Bristol | 1958 |
| Broadway Avpe Limited | Bristol | 2021 |