| Barkers of Suffolk Limited | Ipswich, | 2003 |
| Barkers of Windsor Limited | Ringwood | 2007 |
| Barkers Pontefract Ltd | Pontefract | 2026 |
| Barkers Print and Design Limited | Attleborough | 2001 |
| Barkers Print Limited | Dorking | 2016 |
| Barkers Shoes (Sales) Limited | Northamptonshire | 1956 |
| Barkers the Bakers Limited | South Yorkshire | 2000 |
| Barkestone Farm Limited | Nottingham | 2023 |
| Barkham Hill Interiors Limited | Wokingham | 2018 |
| Barkhouse Woodworks Ltd | Cockermouth | 2020 |
| Barkichi Ltd | Scarborough | 2025 |
| Barking Bags Ltd | Northampton | 2018 |
| Barking Braes Ltd | Edinburgh | 2025 |
| Barking Cat Brewing Company Ltd. | Poole | 2025 |
| Barking Engineering Ltd | Ipswich | 2020 |
| Barking FOX Drinks Company Ltd | Wymondham | 2024 |
| Barking MAD Designs Ltd | Up Holland | 2011 |
| Barking Shopfronts Limited | Barking | 1999 |
| Barking TYE Service Station Limited | Bury St Edmunds | 2017 |
| Barking Windows Limited | London | 2015 |
| Barkley and Fetch Ltd | Stockport | 2019 |
| Barkley Hydraulics Limited | Doncaster | 1992 |
| Barkley Plastics Limited | Birmingham | 1965 |
| Barkmark Ltd | London | 2025 |
| Barks and Bikes Ltd | Farnham | 2024 |
| Barkstar Co Ltd | Axminster | 2017 |
| Barkston Plastics (Newcastle) Limited | Leeds | 2005 |
| Barkston Plastics Engineering Limited | Leeds | 1973 |
| Barkston Plastics Ltd | Leeds | 1969 |
| Barkwear London Ltd | Redhill | 2025 |
| Barkybakey Ltd | London | 2022 |
| Barlass Limited | Moreton | 2011 |
| Barlavington Vineyard Ltd | London | 2019 |
| Barley Chalu Limited | Norfolk | 1967 |
| Barley Wood Limited | Hastings | 1998 |
| Barley Wood Orchard Ltd | Bristol | 2021 |
| Barleylands Glassworks Ltd. | Billericay | 1997 |
| Barlin Project Ltd | Feltham | 2025 |
| Barloch Control Systems Limited | Wokingham | 1975 |
| Barlodge Limited | Redditch | 1976 |
| Barloop (NO 1) Limited | | 1947 |
| Barlow & Sons (Hermitage) Limited | Thatcham | 1964 |
| Barlow Blinds Limited | Leicester | 1962 |
| Barlow Handling Limited | Maidenhead | 2012 |
| Barlow Park Limited | Sheffield | 2018 |
| Barlow Sheet Metal Limited | Fareham | 1974 |
| Barlow Tyrie Limited | Essex | 1956 |
| Barlows Boards Limited | Birmingham,West Midlands | 1993 |
| Barlows of Belvoir Ltd | Nottingham | 2014 |
| Barmaloveda Ltd | Sandhurst | 2025 |
| Barmet Collective Ltd | Preston | 2025 |
| Barmston Timber Limited | Hull | 2023 |
| Barmy Limited | Alcester | 2018 |
| Barmy Prints Ltd | Dudley | 2022 |
| Barn & Brook Ltd | Moreton-In-Marsh | 2011 |
| Barn Door Kitchen Ltd | Coleraine | 2025 |
| Barn Joinery Limited | Pevensey Bay | 2015 |
| Barn Lodges Sales Ltd | Stirling | 2025 |
| Barn Media Group Ltd | Grange-Over-Sands | 2025 |
| Barn Number 3 Limited | London | 2021 |
| Barn OWL Furniture Ltd | Chesterfield | 2024 |
| Barn Tailor Ltd | London | 2025 |
| Barn the Spoon Ltd | Sheffield | 2017 |
| BARN2YARN Limited | Hitchin | 2018 |
| Barna International Limited | Slough | 2024 |
| Barnabas Jones Ltd | London | 2025 |
| Barnagore Jute Factory Plc(The) | London | 1872 |
| Barnard & Westwood Limited | London | 2010 |
| Barnard Fine Jewellery Ltd | Bristol | 2019 |
| Barnard's Cyder Ltd | Dorking | 2022 |
| Barnards Coatings Ltd | Norwich | 2017 |
| Barnbrook Systems Limited | Hampshire | 1978 |
| Barnby Holdings Ltd | Glasgow | 2022 |
| Barncroft Engineering Limited | Pontefract | 2010 |
| Barndale Blinds and Interiors Ltd | Sheffield | 2019 |
| Barneo Industrial Wipes Ltd | March | 2020 |
| Barnes & Mullins (Manufacturing) Limited | Oswestry | 1959 |
| Barnes & Mullins Limited | Oswestry | 1977 |
| Barnes & Racine Engineering Ltd | Caerphilly | 2024 |
| Barnes (N/E) Electrical Ltd | Blackpool | 2021 |
| Barnes and Goldman Limited | Maidstone | 2015 |
| Barnes and Moore Leatherworks Limited | Birmingham | 2016 |
| Barnes and Wright Limited | Southampton, | 1990 |
| Barnes Aviation Limited | Burwell | 2007 |
| Barnes Bespoke Furniture Ltd | Okehampton | 2017 |
| Barnes Building Contractors Ltd | London | 2025 |
| Barnes Carpentry Services Ltd | Ashford | 2022 |
| Barnes Group (U.K.) 3 Limited | Evesham | 1997 |
| Barnes International Limited | Droxford | 1991 |
| Barnes Joinery Ltd | Halifax | 2018 |
| Barnes Machinery Co., Ltd | Cambridge | 2023 |
| Barnes Marine Units Limited | Norwich | 1977 |
| Barnes of Ashburton Joinery Limited | Devon | 2015 |
| Barnes of Ashburton Limited | Devon | 2000 |
| Barnes Print (East Anglia) Limited | Dereham | 2010 |
| Barnes Rotating Plant Ltd | Ellesmere Port | 2025 |
| Barnes Windowcraft Limited | Stoke-On-Trent | 1960 |
| Barnes, Golbey & Farnes Ltd. | Folkestone | 2005 |
| Barnes,Branch & Co.Limited | Swindon | 1929 |
| Barnet Marine Centre Limited | Broxbourne | 1988 |