| Burles Ltd | West End Abercarn | 2016 |
| Burley Group Limited | Norwich | 2022 |
| Burley Holdings Limited | Ilkley | 2006 |
| Burley Homes Limited | London | 2020 |
| Burley House Leeds Limited | Newcastle Upon Tyne | 1976 |
| Burley Investments Limited | Beckenham | 1993 |
| Burlington Asset Development Ltd | Preston | 2007 |
| Burlington Bicycle Company Limited | Worksop | 2016 |
| Burlington Caravans Limited | Bridlington | 2004 |
| Burlington Hotel Holdings Limited | Great Yarmouth | 2017 |
| Burlington Hotel Properties Limited | Great Yarmouth | 2017 |
| Burlington London Limited | Harrogate | 2026 |
| Burlow Consulting Ltd | Cardiff | 2020 |
| Burma Bacon Supplies Limited | Newcastle | 1980 |
| Burma Human Rights Network | London | 2015 |
| Burman & Sons Limited | Redditch | 2009 |
| Burmester Limited | Reigate | 2010 |
| Burn Gibbah View Management Company Limited | Claudy | 2008 |
| Burnant Shooting Ground Limited | Neath | 2006 |
| Burnard Accountants Ltd | Wallsend | 2025 |
| Burnbrae Style Limited | London | 2015 |
| Burney Mews Limited | Belfast | 1982 |
| Burneys Limited | Bolton | 1933 |
| Burnham Court NW4 RTM Company Limited | Borehamwood | 2010 |
| Burnham Funeral Services Limited | Nottingham | 2004 |
| Burning Tree Consulting Ltd | Fleet | 2016 |
| Burning Tree Technology Ltd | Fleet | 2016 |
| Burning Tree Virtual Services Ltd | Fleet | 2016 |
| Burnlave Securities Limited | London | 1983 |
| Burnlea Group Limited | Harrogate | 2006 |
| Burnley Hall Farms Limited | Great Yarmouth | 2016 |
| Burnley Packaging Machinery Limited | Cleckheaton | 2010 |
| Burnley Skips Ltd | Burnley | 2019 |
| Burnside (Portstewart) Limited | Portstewart | 1999 |
| Burnside Management Ltd | Coventry | 2013 |
| Burnside Nursery Limited | Hamilton | 2016 |
| Burnt Honey Ltd | Bruton | 2022 |
| Burnt Oak Builders Merchants Limited | Harrow | 2011 |
| Burntide Limited | Glasgow | 2010 |
| Burntisland Community Development Trust | Burntisland | 2016 |
| Burnvale Place 1963 Limited | Livingston | 2014 |
| Burnzee Limited | Farnham | 2022 |
| Buro Four Trustee Limited | London | 2003 |
| Buro Technik Limited | | 1985 |
| Burra Burra Distribution Ltd | Boroughbridge | 1982 |
| Burranan Management Services Limited | London | 2023 |
| Burrell Medical Co., Ltd | Beckenham | 2015 |
| Burrell Road 1966 Limited | Newbury | 2015 |
| Burrenview Limited | Ballymoney | 2009 |
| Burridge London Ltd | London | 2022 |
| Burridge Trophies Ltd | London | 2022 |
| Burrough Investments Limited | | 1972 |
| Burrowhill Management Limited | Woking | 2006 |
| Burrows Holdings Limited | Ipswich | 1985 |
| Burrows of Holt Limited | Norwich | 1984 |
| Burrs Elite Equine Ltd | Colchester | 2018 |
| Bursa Holdings Limited | Derbyshire | 2018 |
| Bursa Investments Ltd | Jesmond | 2009 |
| Burscough New Co Limited | Burscough Industrial Estate | 2020 |
| Burslem Pottery Limited | Stoke-On-Trent | 1998 |
| Burston Aquatics Limited | St. Albans | 2021 |
| Burston Cook Limited | Ham Green | 2024 |
| Burston Garden Centre Limited | St. Albans | 2016 |
| Burtech Precision Engineering Limited | Scunthorpe | 2021 |
| Burton Commercial Properties (Trustee) Limited | Edinburgh | 2013 |
| Burton Corporate Limited | Salford | 2020 |
| Burton Estates Ltd | Manchester | 2016 |
| Burton Fish and Chips Ltd | Kettering | 2015 |
| Burton Investments Limited | Stoke-On-Trent | 2015 |
| Burton Mccall (Industrial) Limited | Cheshire | 1970 |
| Burton Pynsent House Ltd | Longfield | 2015 |
| Burton Safes Service Limited | Manchester | 2010 |
| Burton Sweet Company Secretarial Limited | Shepton Mallet | 2005 |
| Burton's Biscuits Limited | London | 2001 |
| Burton's Foods Limited | London | 2024 |
| Burton's Foods Pension Trustee Limited | London | 2025 |
| Burton's Gold Medal Biscuits,Limited | London | 1935 |
| Burtons Grooming Direct Ltd | Tonbridge | 2016 |
| Burtonwood Guardian Security Services Limited | Merseyside | 1999 |
| Burwood (UK) Limited | Epsom | 2006 |
| Bury Capital Limited | Bury St Edmunds | 2012 |
| Bury Company Services Limited | Suffolk | 1993 |
| Bury Design Services Limited | Lowestoft | 1981 |
| Bury Grammar Schools Services Limited | Bury | 2012 |
| Bury Metering Services Limited | London | 2015 |
| Bury Nominees Limited | Salford | 2006 |
| Bury Road 1971 Limited | Rochdale | 2014 |
| Bury Stairlifts Limited | Chorley | 2016 |
| Bury Super Store UK Ltd | Bury | 2018 |
| Bury Tyre Centre Limited | Winchester | 2002 |
| Bury's Holdings Limited | Oxford | 2017 |
| BUS and Coach Management Solutions Limited | Horsham | 2016 |
| BUS UK Limited | Newcastle Upon Tyne | 1988 |
| Bush House Limited | Llandeilo | 2005 |
| Bush Property Management Limited | Camberley | 1994 |
| Bush Road Management Company Limited | Ballyclare | 2007 |
| Bushbury Hill EMB Limited | Birmingham | 2014 |
| Bushbury Road 1960 Limited | Birmingham | 2014 |
| Bushey Park Management Company Limited | Ipswich | 2009 |
| Bushford Services Limited | Portstewart | 1991 |