| Bellamy Aircraft Technical Services Limited | Sutton Coldfield | 2017 |
| Bellamy and Waterhouse Ltd | Birmingham | 2020 |
| Bellamys (M & a) Limited | Brighton | 1943 |
| Bellann Board & Packaging Co.Limited | Burnley | 2007 |
| Bellarion Limited | Manchester | 1974 |
| Bellatrix Clips Ltd | Guildford | 2024 |
| Bellatrix Records Limited | Bristol | 2017 |
| Bellavuebrands Limited | Ely | 2024 |
| Bellawood Interiors Limited | Leeds | 2025 |
| Bellawood Products Limited | Leeds | 2019 |
| Bellbird Limited | Birmingham | 2025 |
| Bellchambers Carpentry Ltd | Richmond | 2025 |
| Bellcliffe Engineering Limited | West Bromwich | 2016 |
| Bellcom Technologies Ltd | Teddington | 2025 |
| Belle & BEE Grimsby Limited | Grimsby | 2017 |
| Belle & Co Limited | Bury St. Edmunds | 2013 |
| Belle & Flame Candles Ltd | Bristol | 2025 |
| Belle & Wilde Limited | Uckfield | 2019 |
| Belle Apparella Limited | South Croydon | 2017 |
| Belle by Estelle Ltd | London | 2019 |
| Belle Car Transporters & Specialised Trailers Limited | Dunmow | 1991 |
| Belle Coachworks Limited | Suffolk | 2000 |
| Belle Composites Ltd | Cambridge | 2020 |
| Belle Cuisine Limited | Cheltenham | 2020 |
| Belle Délice Ltd | London | 2026 |
| Belle Engineering (Sheen) Limited | Derbyshire | 1961 |
| Belle Epoque Patisserie Limited | London | 2002 |
| Belle Holdings Limited | Derbyshire | 1997 |
| Belle Leather Ltd | Tavistock | 2022 |
| Belle Mode Reve Limited | Essex | 2012 |
| Belle Technology UK Ltd | Weymouth | 2009 |
| Belle VUE Electrics Ltd | Bournemouth | 2017 |
| Belle VUE Restorations Limited | Shrewsbury | 2006 |
| Belle Zelle Studio Limited | Bath | 2023 |
| Belle's Bakes Ltd | Dartford | 2018 |
| Belleair Ltd | Bridgend | 2026 |
| Belleflex Technologies UK Ltd | Cambridge | 2025 |
| Belleisle Tailoring Limited | Hull | 2024 |
| Belleorganics Ltd | 31 | 2018 |
| Belleville Springs Limited | Worcestershire | 1977 |
| Bellevue Cheese Company (Arran) Limited | Glasgow | 2006 |
| Bellevue Medical Devices Ltd | Glenrothes | 2024 |
| Bellevue Medical Solutions Limited | Altrincham | 2024 |
| Belleza Fashion Ltd | Birmingham | 2019 |
| Bellezza Roma Ltd | Harrow | 2022 |
| Bellfield Brewery Limited | Edinburgh | 2014 |
| Bellfield Enterprises Limited | Inverness | 2007 |
| Bellfrost Services Limited | Wishaw | 2002 |
| Belli Welli (International) Limited | Southend-On-Sea | 2020 |
| Belli Welli Limited | Southend-On-Sea | 2020 |
| Bellinen Enterprises Ltd | Bedale | 2024 |
| Belling & Co. Limited | Cardiff | 1935 |
| Belling LEE Limited | London | 1990 |
| Bellinger House UK Limited | Bristol | 2023 |
| Bellingham Craft Butchers Ltd | Newcastle Upon Tyne | 2016 |
| Bellingham Motor Company Edinburgh Limited | Edinburgh | 2019 |
| Bellis Electrical Services Ltd | Birmingham | 2014 |
| Bellisa Ltd | Bristol | 2021 |
| Bellisimo Food Ltd | Sheffield | 2017 |
| Bellissima Ltd | Mayfair | 2022 |
| Bellissimerch Limited | Ormskirk | 2023 |
| Bellissimi Ltd | Rotherham | 2019 |
| Bellissimo Bites Ltd | Woking | 2025 |
| Bellitas Limited | Lichfield | 1989 |
| Belliz Merch Ltd | London | 2024 |
| Bellman Services Limited | London | 2024 |
| Bellmetal Industries Limited | Barnoldswick | 1964 |
| Bello Scot Ltd | Ruislip, | 2026 |
| Bellodore Essentials Limited | London | 2023 |
| Belloost Limited | Northampton | 2019 |
| Bellora Ltd | London | 2025 |
| Bellore Limited | London | 2004 |
| Bellows Group Ltd | Ramsgate | 2026 |
| Bellrose Ropetech Limited | Crewe | 2026 |
| Bells & Whiskers Ltd | Newark | 2021 |
| Bells and Whistles Make Ltd | Winchester | 2018 |
| Bells Carpentry Ltd | Newport Pagnell | 2020 |
| Bells Controls Ltd | Southampton | 2015 |
| Bells Food Group Limited | Shotts | 1968 |
| Bells of Lazonby Limited | Penrith | 1951 |
| Bells Sheet Metal Limited | Hyde | 2008 |
| Bellsbands Ltd | Poole | 2025 |
| Bellseal Limited | Kent | 2006 |
| Bellshill Lark (Number 21) Limited | Richmond | 2002 |
| Belltech Engineering Ltd | Ferndown | 2001 |
| Belltrees Forge Limited | Renfrew | 1998 |
| Belltron Ireland & U.K. Ltd | Co Down | 2003 |
| Belluscura PLC | London | 2015 |
| Bellvan Ltd | Cowes | 2023 |
| Bellview Products Limited | Peterborough | 2011 |
| Bellwether Industries Limited | London | 2019 |
| Bellwood Rewinds Limited | Hartlepool | 1998 |
| Bellwoven Packaging Limited | Colne | 2011 |
| Belly Bite Lures Limited | Bournemouth | 2024 |
| Belly Button Bubble Limited | Manchester | 2016 |
| Belly Button Designs Limited | Manchester | 2002 |
| Belly Dancing Direct Limited | Holsworthy | 2014 |
| Belly Fender (Holdings) Limited | Barnstaple | 2022 |
| Belly Fender Limited | Barnstaple | 2014 |
| Bellybambino Ltd | Cardiff | 2019 |