| Burford Coatings & Cleaning Ltd | Stourbridge | 2026 |
| Burford Contracting Ltd | Basingstoke | 2015 |
| Burford Quarry Limited | Brize Norton | 2018 |
| Burford White Ltd | London | 2016 |
| Burgaflex Automotive Limited | Bury | 2001 |
| Burgaflex U.K. Ltd. | Bury | 1991 |
| Burgaj Windows Doors Supplies Ltd | Ford | 2025 |
| Burgar.Box Limited | Derby | 2023 |
| Burger Bags Limited | Leicester | 2023 |
| Burger Land Limited | Swindon | 2025 |
| Burgerfection Ltd | London | 2025 |
| Burgers Inc Ltd | Hounslow | 2019 |
| Burgess & Leigh Limited | London | 1999 |
| Burgess Architectural Products Limited | Harpenden | 1973 |
| Burgess Bagpipes Ltd | Forres | 2015 |
| Burgess Furniture Ltd | Middlesex | 1988 |
| Burgess Group Limited | Pickering | 1947 |
| Burgess Ice Cream Limited | York | 2018 |
| Burgess Metal Limited | Harpenden | 2020 |
| Burgess Photo Print Limited | Retford | 2002 |
| Burgess Recycling Limited | Cardiff | 2010 |
| Burgess Shaping Stone Ltd | Sheffield | 2024 |
| Burgess Technical Services Limited | London | 2012 |
| Burgh Bakes Limited | Edinburgh | 2012 |
| Burghley Bespoke Interiors Ltd | Newark | 2023 |
| Burgin Design Ltd | Otley | 2023 |
| Burgla Collective Limited | Blandford Forum | 2021 |
| Burgo UK Limited | Newport Pagnell | 1990 |
| Burgon & Ball Limited | Sheffield | 1986 |
| Burgopak Limited | London | 2001 |
| Burgos Aircraft Technical Services Ltd. | Glasgow | 2008 |
| Burgoyne Steel Consultancy Ltd | Braintree | 2024 |
| Burgtec Limited | Manchester | 2005 |
| Burgundy House Limited | Manchester | 2024 |
| Burjay Limited | London | 2024 |
| Burka Trading and Investments Ltd | London | 2023 |
| Burkard Manufacturing Company Limited | Herts | 1959 |
| Burkat INK Ltd | South Ockendon | 2025 |
| Burke & Marshall Ltd | Bristol | 2015 |
| Burke Embroidery Services Ltd | Ashton-Under-Lyne | 2007 |
| Burke Maintenance Engineering Ltd | Crawley | 2025 |
| Burkett Quicksign Ltd | Sheffield | 2023 |
| Burklan Ltd | Chatham | 2020 |
| Burl and Beam Limited | Cardiff | 2023 |
| Burlanes Limited | Chatham | 2019 |
| Burleigh 1851 Ltd | Stoke-On-Trent | 2026 |
| Burleigh KOI Ltd | Stonehouse | 2025 |
| Burleighs Distillery Limited | Fareham | 2022 |
| Burlen Limited | Salisbury | 1986 |
| Burles Modplan Ltd | West End Abercarn | 2016 |
| Burley Appliances Limited | Rutland | 1975 |
| Burley Engineering Limited | Leicester | 2003 |
| Burley Fabrications Limited | Darnall | 1981 |
| Burley Games Limited | Surrey | 2003 |
| Burley Hydraulics (Cambridgeshire) Limited | Cambridge | 2003 |
| Burley Interiors Manufacturing Ltd | Ilkley | 2024 |
| Burley Precision Engineering Limited | Sheffield | 2003 |
| Burlingfact Limited | March | 1973 |
| Burlingham Fencing and Paving Supplies Limited | Norwich | 2024 |
| Burlingham Paving & Fencing Limited | Norwich | 2015 |
| Burlington Electrical Systems Limited | Corby | 2012 |
| Burlington Engineers Limited | Marlow | 2006 |
| Burlington Fabrications Limited | Nottingham | 2008 |
| Burlington GB Group Ltd | Witham | 2007 |
| Burlington Motor Cars Ltd | London | 2020 |
| Burlington Uniforms Limited | | 1974 |
| Burlington Weekend Television Ltd | London | 2019 |
| Burlynskey Ltd | Warrington | 2023 |
| Burma Star Foods Limited | South Godstone | 2013 |
| Burma VJ Ltd | London | 2023 |
| Burmain Holdings Ltd | London | 2023 |
| Burmar Fabrications Ltd | Bradford | 2005 |
| Burmatex Limited | Yorkshire | 1958 |
| Burn - Rite Incinerators Ltd | Preston | 2013 |
| Burn Baby Studio Limited | Norwich | 2021 |
| Burn Fireclay Company,Limited(The) | 33 Wellington Street | 1936 |
| Burn Stewart (U.S. Holdings) Limited | Glasgow | 2000 |
| Burnaby Graphics Limited | London | 2006 |
| Burnanne Distilling Limited | Mauchline | 2023 |
| Burnanne Spirits Ltd | Cumnock | 2022 |
| Burnbrae Corr Limited | Coalisland | 2026 |
| Burnbrae Distillery Company Ltd | Glasgow | 2015 |
| Burnbridge Services Limited | Bristol | 2017 |
| Burndale Workshop Limited | Glasgow | 1988 |
| Burnell & SON Builders (Bristol) Limited | Bishopsworth | 1961 |
| Burnell Controls (Kent) Limited | Dartford | 1973 |
| Burnell Industrial Services Limited | Dartford | 1989 |
| Burner and Combustion Ltd | Ely | 2010 |
| Burner Services (Northern) Limited | Thirsk | 2023 |
| Burnertech Combustion Engineers Limited | Leeds | 1992 |
| Burnett & Rolfe (Burton) Limited | Burton-Upon-Trent | 2014 |
| Burnett Building Services Ltd | Paisley | 2021 |
| Burnett Composites Ltd | Havant | 2024 |
| Burnetts Manufacturing Limited | Northampton | 2006 |
| Burney Mech. Ltd | Manchester | 2026 |
| Burnfield Bakery Limited | Glasgow | 2021 |
| Burnham Media Services Ltd | Martock | 2003 |
| Burnham Overy Boathouse Limited | Kings Lynn | 1958 |
| Burnham Pump Services Limited | Slough | 2014 |
| Burnham Technical Services Limited | Enfield | 2007 |