| Bellybust Ltd | Oldham | 2025 |
| Bellygoodness Limited | Leigh-On-Sea | 2022 |
| Bellyshed Ltd | Sale | 2024 |
| Bellz Bakery Limited | Wolverhampton | 2026 |
| Bellz Limited | Nuneaton | 2020 |
| Bell’S Bakes Limited | Hamilton | 2025 |
| Belma Ltd | High Wycombe | 2025 |
| Belmag Construct Ltd | London | 2026 |
| Belman Engineering Limited | Milton Keynes | 2017 |
| Belman Technologies International Limited | Rowley Regis | 2020 |
| Belman Technologies Limited | Milton Keynes | 2020 |
| Belman-Uk Limited | Cheadle Heath | 1990 |
| Belmar Holdings Limited | Aberdeen | 1996 |
| Belma’S Bakes Limited | Kettering | 2021 |
| Belmont Art & Design Ltd | Harrow | 2017 |
| Belmont Bros Ltd | Lydney | 2020 |
| Belmont E&I Services Ltd | Glasgow | 2019 |
| Belmont Fabrications Limited | Newbury | 1981 |
| Belmont Group Ltd | London | 2023 |
| Belmont London Limited | London | 2015 |
| Belmont Packaging Group Limited | Hindley Green | 1993 |
| Belmont Packaging Ltd | Wigan | 2013 |
| Belmont Services (Shropshire) Ltd | Shrewsbury | 2006 |
| Belmont Uniforms Limited | London | 2021 |
| Belmonte Business Equipment Limited | Stockport | 1980 |
| Belmos Electrical Services Ltd. | Bellshill | 2005 |
| Belmotive Ltd | Petworth | 2023 |
| Beloit Ltd | Swindon | 2020 |
| Belos Group Ltd | Essex, Ilford | 2021 |
| Belove Ltd | London | 2016 |
| Beloved Fragrances Limited | Braintree | 2017 |
| Below Zero Devon Ltd | Crediton | 2009 |
| Belpac Limited | Wolverhampton | 2013 |
| Belpar Rubber Company Limited | Fareham | 1954 |
| Belper Brewing Co Limited | Birmingham | 2022 |
| Belper Phones Ltd | Belper | 2025 |
| Belper Tools Limited | Bolton | 1959 |
| Belrise UK Holdings Limited | London | 2026 |
| Belrose (Yorkshire) Limited | Barnsley | 2023 |
| Belsa Corporation Limited | London | 2025 |
| Belsales Limited | Surrey | 1996 |
| Belschnickel Brewery Limited | Bridlington | 2022 |
| BELSIZE25 Ltd | London | 2025 |
| Belsizearia Ltd | Croydon | 2025 |
| Belston Plasma Profiles Ltd | Cumnock | 2020 |
| Belt Company Scotland Ltd | Glasgow | 2023 |
| Belt Designs Limited | Haverfordwest | 2017 |
| Belt-Tech Limited | Bury St Edmunds | 2021 |
| Beltability Ltd | High Wycombe | 1997 |
| Beltane Studios Limited | Peebles | 1996 |
| Beltec (Market Rasen) Limited | Market Rasen Lincoln | 1997 |
| Beltech Services Limited | Washington | 2008 |
| Beltech Specialist Machinery Belting Limited | Leighton Buzzard | 1995 |
| Belter Brothers Ltd | Edinburgh | 2022 |
| Beltflex Ltd | Goole | 2015 |
| Beltic Engineering Ltd | London | 2021 |
| Belting & Mechanical Leather Company Limited | Milngavie | 1928 |
| Belting Service Ltd | West Bromwich | 2003 |
| Belting Solutions Ltd | Saltash | 2020 |
| Belton Farm Limited | Shropshire | 1973 |
| Belton Manufacturing Services Ltd | Wilmslow | 2024 |
| Beltons Quality Bakeries Limited | Nottingham | 2010 |
| Belts, Conveyors & Accessories Ltd | Middlesbrough | 2003 |
| Beltupp Limited | Market Bosworth | 2011 |
| Belu Water Limited | London | 2002 |
| Beluga Beauty Limited | London | 2024 |
| Belux UK Medical Technology Ltd | Kenilworth | 2020 |
| Belvara Ltd | Stevenage | 2024 |
| Belvarton Limited | London | 2025 |
| Belvas UK Ltd | South Cave | 2025 |
| Belvedere Beloved Ltd | Belvedere | 2021 |
| Belvedere Bespoke Joinery Ltd | Wincanton | 1988 |
| Belvedere Noire Limited | Liverpool | 2019 |
| Belvedere Products Ltd | Newton Abbot | 2005 |
| Belvedere Pursuit Limited | Bromley | 2015 |
| Belvedere Roofs Ltd | Newton Abbot | 2019 |
| Belvedere Windows and Doors Limited | Huddersfield | 2018 |
| Belveteen Ltd | London | 2013 |
| Belvoir Bacon Limited | Leicester | 2022 |
| Belvoir Clinical Dental Laboratory Limited | Melton Mowbray | 2023 |
| Belvoir Farm Drinks Holdings Limited | Nottingham | 2016 |
| Belvoir Farm Drinks Limited | Nottingham | 2016 |
| Belvoir Packaging Ltd | Leicester | 2021 |
| Belvoir Trading Ltd | Droitwich Spa | 2014 |
| Belwood and ROE Ltd | London | 2022 |
| Belzie Unlimited Ltd | Lancing | 2021 |
| Belzona International Limited | North Yorks | 1954 |
| Belzona Limited | North Yorkshire | 1996 |
| Bembe Group Ltd | Manchester | 2022 |
| Bembridge Building Supplies Limited | Bembridge | 1998 |
| Bembridge Marine Limited | Isle Of Wight | 1974 |
| Beme Joinery Limited | Rugby | 2019 |
| Bemes Energy Services Ltd | London | 2025 |
| Bemes Industrie Services Ltd | London | 2023 |
| Bemis Associates UK Limited | Altrincham | 1996 |
| Bemis Limited | Burnley | 1967 |
| Bemms Limited | Burtnwood | 2010 |
| Bemps Black Kings and Queens Ltd | Telford | 2021 |
| Bemrose Booth Paragon Limited | Hull | 2003 |
| Bemserve Ltd | Evesham | 2010 |