| Berkshire Office Furniture Limited | Reading | 2003 |
| Berkshire Ophthalmic Laboratories Limited | Thatcham | 1952 |
| Berkshire Pallets Limited | London | 1974 |
| Berkshire POP Tops Ltd | Hungerford | 2026 |
| Berkshire Powder Coatings Limited | Fleet | 2016 |
| Berkshire Printing and Finishing Limited | Reading | 2017 |
| Berkshire Printing Company Limited | Kings Lynn | 1911 |
| Berkshire Services Ltd | Sandhurst | 2016 |
| Berkshire Sofa Co Limited | Reading | 2024 |
| Berkshire Upholstery Ltd | Reading | 2024 |
| Berkshire Upholstery Services Limited | Reading | 2015 |
| Berkshire-Grant Limited | Esher | 1981 |
| Berlant Electric Instruments Limited | Huddersfield | 2020 |
| Berlex UK Limited | London | 2025 |
| Berlin Middle East Auto Spare Parts Limited | Luton | 2025 |
| Berlin Trading Co Ltd | London | 2023 |
| Bermad UK Limited | Newbury | 1988 |
| Bermaline Foods Limited | East Lothian | 1977 |
| Bermaline Limited | East Lothian | 1986 |
| Bermanfalk Hospitality Group UK Limited | Farnborough | 2025 |
| Bermar (International) Limited | Ipswich | 1991 |
| BERMONDSEYBOY1 Limited | Morden | 2022 |
| Bermuda & Bath Ltd | London | 2015 |
| Bermuda Digital Print Limited | Ilkley | 2005 |
| Bermuda Music Ltd | London | 2018 |
| BERMUUDA2TRAVEL Ltd | Bristol | 2026 |
| Bernard DRU Oak Limited | Minehead | 2010 |
| Bernard Hastie (Metspray) Limited | Swansea | 1962 |
| Bernard Holmes Precision Limited | Sleaford | 1960 |
| Bernard Hooper Engineering Limited | Wolverhampton | 1977 |
| Bernard Hughes Bakery Limited | Ballyclare | 2019 |
| Bernard Leach Enterprises Limited | St. Ives | 2006 |
| Bernard Matthews Foods (Derby) Limited | Birmingham | 2019 |
| Bernard Matthews Foods (Sunderland) Limited | Birmingham | 2015 |
| Bernard Matthews Foods Limited | Birmingham | 2016 |
| Bernard Matthews Frozen Limited | Birmingham | 2016 |
| Bernard Savage (Bespoke Kitchens & Interiors) Limited | Wolverhampton | 2012 |
| Bernard Thorp & Co Limited | London | 1979 |
| Bernard Weatherill Limited | Barnet | 1920 |
| Bernards London UK Limited | London | 2015 |
| Berndales Limited | Powys | 2013 |
| Berne Welbeck Limited | Derbyshire | 1990 |
| Berner Germany Ltd. | Wakefield | 2007 |
| Berness Bespoke Ltd | London | 2012 |
| Bernhard & Co. Limited | Haverhill | 1984 |
| Berni Science and Technology Limited | Beckenham | 2023 |
| Berni White Limited | Wiltshire | 2003 |
| Bernice Angelique Limited | London | 2014 |
| Bernie Inc Ltd | Melksham | 2024 |
| Bernies Mojo Chillie Source Limited | Bromley | 2013 |
| Bernies Workshop Limited | Manchester | 2025 |
| Bernora Ltd | London | 2024 |
| Bernstein Kitchen & Bedroom Ltd | Wigan | 2020 |
| Bernsteins Aspull Ltd | London | 2026 |
| Bernsteins Direct Ltd | Wigan | 2017 |
| Berny.Michal Ltd | Cambridge | 2025 |
| Bero Brewing - UK Ltd | Birmingham | 2025 |
| Beronworth Standby Systems Limited | Redhill | 1985 |
| Berridge Bespoke Interiors Ltd | Pinner | 2026 |
| Berridge International Composites Limited | Nottingham | 2025 |
| Berrington Pure Spring Water Limited | Hereford | 2004 |
| Berrington Spring Water Limited | Hereford | 2012 |
| Berry Antiques Ltd. | Tain | 2016 |
| Berry Best Produce Ltd | Saffron Walden | 2017 |
| Berry Box Ltd | Preston | 2021 |
| Berry Carpentry Ltd | Witney | 2022 |
| Berry Composite Ltd | Peterborough | 2024 |
| Berry Engineering Solutions Ltd | Alfreton | 2026 |
| Berry Farm Bakery Ltd | Bishop Auckland | 2026 |
| Berry FOX Ltd | Wadebridge | 2026 |
| Berry Fusion Ltd | Aberdeen | 2025 |
| Berry Green Joinery Limited | Finedon | 2017 |
| Berry Green Sips Ltd | Wellingborough | 2023 |
| Berry Hill Foods Limited | Mansfield | 1988 |
| Berry Lane Bakery Ltd | Preston | 2011 |
| Berry OLE Ltd | Dukinfield | 2019 |
| Berry Safety Systems Limited. | Solihull | 1994 |
| Berry UK Containers Limited | Corby | 2022 |
| Berry's Bakery Limited | Weymouth | 2019 |
| Berry's Food Ltd | Coventry | 2024 |
| Berry's Pies Ltd | Euxton Lane, Chorley | 2017 |
| Berry's Treats Ltd | Nottingham | 2020 |
| Berrybegood Ltd | Bracknell | 2018 |
| Berryboo Ltd | London | 2021 |
| Berryhill Blacksmiths Ltd. | Bellshill | 2003 |
| Berryhorse Ltd | Bridgend | 2010 |
| Berrylands Printers Limited | Harrow | 1999 |
| Berrylicious - Cakes by Jacqui Ltd | Gillingham | 2019 |
| Berryman's Bakery Limited | Redruth | 2003 |
| Berrys Global Innovations Limited | Birmingham | 2011 |
| Berrys Technologies Limited | Birmingham | 1966 |
| Berryville Limited | Stoke On Trent | 2003 |
| Bersche-Rolt Limited | Uckfield | 1992 |
| Berserks Glass Works Ltd | Newton Abbot | 2011 |
| Bert & Blythe Ltd | Leatherhead | 2024 |
| Bert and B Ltd | London | 2023 |
| Bert and BUD Limited | London | 2021 |
| Bert Edwards (Milford Haven) Limited | Pembrokeshire | 1960 |
| Bert Plant Ltd | Derby | 2025 |
| Bertha's at Home Ltd | Bristol | 2024 |