| Bellingan Limited | Hornchurch | 2012 |
| Bellingham Chest and Allergy Ltd | Wickford | 2019 |
| Bellingham Community Project Limited | London | 1992 |
| Bellinkine Limited | Essex | 2022 |
| Bellis-Elkin Limited | Cardiff | 2022 |
| Belliss Living Ltd | Bristol | 2025 |
| Bellissima Clinic London Ltd | Brighton | 2020 |
| Bellissima Clinic Ltd | London | 2025 |
| Bellissima Expressions Ltd | Mexborough | 2022 |
| Bellissimi Aesthetics Ltd | Antrim | 2023 |
| Bellissimibelli Ltd | London | 2017 |
| Bellissimo Care Ltd | Manchester | 2021 |
| Bellissimo Clinic Ltd | Glasgow | 2016 |
| Belljoe Tzedoko Limited | London | 1981 |
| Bellman Orthodontics Ltd | Barnet | 2017 |
| Bello's Square Limited | Milton Keynes | 2023 |
| Bellomar Aesthetics Ltd | Chester | 2025 |
| Bellona Group Ltd | London | 2025 |
| Bells and Whistles Event Stylist Ltd | Chatham | 2021 |
| Bells and Whistles Ltd | Bolton | 2026 |
| Bells Care Limited | Nuneaton | 2025 |
| Bells Home Care Ltd | Hornsea | 2017 |
| Bells of Revival Worldwide Ministries | Ashford | 2008 |
| Bells Social Enterprises Ltd | Chislehurst | 2019 |
| Bellsgrove Ltd | Croydon | 2010 |
| Bellss Limited | Enfield | 2020 |
| Bellsway Healthcare Solutions Ltd | Willenhall | 2024 |
| Bellview (UK) Ltd | Birmingham | 2006 |
| Bellwood Practice Limited | Great Yarmouth | 2015 |
| Bellwood Reporting Ltd | Leeds | 2025 |
| Belma Services Recruitment Agency Ltd | Wolverhampton | 2016 |
| Belmair Ltd | London | 2024 |
| Belmar Care Homes Limited | London | 2006 |
| Belmatt Limited | London | 2013 |
| Belmed Ltd | Loughborough | 2012 |
| Belmedics Radiology Services Limited | Manchester | 2019 |
| Belmere Trading Ltd | Leicester | 2023 |
| Belmoc Care Ltd | Sutton Coldfield | 2016 |
| Belmont Anaesthesia Ltd | Romsey | 2015 |
| Belmont Castle Care Limited | Hove | 2025 |
| Belmont Eyes Limited | Belfast | 2019 |
| Belmont Foot Clinic Ltd | Toomebridge | 2013 |
| Belmont Grange Ltd | Hoddesdon | 2013 |
| Belmont Grange Prestige Care Ltd | Whitley Bay | 2023 |
| Belmont Healthcare (Copper Beeches) Limited | Redditch | 2025 |
| Belmont Healthcare (Madeira) Limited | Redditch | 2022 |
| Belmont Healthcare (Murdoch) Limited | Redditch | 2025 |
| Belmont Healthcare (Wombwell) Limited | Redditch | 2022 |
| Belmont Healthcare (Woodbury) Limited | Redditch | 2025 |
| Belmont Homecare Services Limited | Redditch | 2019 |
| Belmont House (Abergavenny) Limited | Abergavenny | 2026 |
| Belmont House Care Home Ltd | London | 2010 |
| Belmont House Osteopaths Limited | Bristol | 2017 |
| Belmont Lodge Limited | Maidenhead | 2007 |
| Belmont Parkhill Limited | Pinner | 1993 |
| Belmont Psychological Services Ltd | Stockton-On-Tees | 2024 |
| Belmont Residential Care Ltd | Ilford | 2020 |
| Belmont Smiles Limited | London | 2024 |
| Belmont View Limited | Guisborough | 2007 |
| Belmont Villa Care Home Limited | Somerset | 2001 |
| Belmonte Care Ltd | London | 2026 |
| Belmore Dental Implant & Facial Aesthetic Clinic Ltd | Enniskillen | 2019 |
| Belmore Facial Aesthetics Ltd | Enniskillen | 2021 |
| Belmorpheus Ltd | Wilmslow | 2021 |
| Belnash Limited | South Ockendon | 2020 |
| Belong Autism CIC | Luton | 2026 |
| Belongi Ltd | London | 2025 |
| Belonging Scotland CIC | Edinburgh | 2026 |
| Belora Ltd | Altrincham | 2025 |
| Belove Care Ltd | Telford | 2023 |
| Beloved Childcare Ltd | Northampton | 2023 |
| Beloved Recruitment Care Agency (Brca) Ltd | Rochdale | 2023 |
| Belovia Healthcare PVT Ltd | Northampton | 2024 |
| Belper Backpain Clinic Limited | Ripley | 2007 |
| Belper Chiropractic Clinic Limited | Matlock | 2019 |
| Belper Health Hub Ltd | Belper | 2023 |
| Belper Healthcare Ltd | Belper | 2023 |
| Belper Physiotherapy Clinic Ltd | Nottingham | 2012 |
| Belper Podiatry Ltd | Belper | 2025 |
| Belper Primary Care Network Limited | Belper | 2022 |
| Belper Views Limited | Brailsford | 2007 |
| Belrose Limited | Winchester | 2011 |
| Bels Daycare Ltd | London | 2023 |
| Belsize Capital 1 Holdings Limited | Slough | 2025 |
| Belsize Capital 2 Holdings Limited | Slough | 2025 |
| Belsize GAS Company Ltd | Lincoln | 2015 |
| Belsize HC14 Limited | Slough | 2020 |
| Belsize HC20 Limited | Slough | 2020 |
| Belsize HC26 Limited | Slough | 2020 |
| Belsize Healthcare (England) Limited | Slough | 2020 |
| Belsize Healthcare (Scotland) Limited | Edinburgh | 2019 |
| Belsize Healthcare Capital 1 Limited | Slough | 2019 |
| Belsize Healthcare Capital 2 Limited | Slough | 2019 |
| Belsize Healthcare EA Limited | Slough | 2020 |
| Belsize Healthcare Holdco Limited | Slough | 2023 |
| Belsize Healthcare HPH Limited | Slough | 2020 |
| Belsize Healthcare Investco 2 Limited | Slough | 2024 |
| Belsize Healthcare Investco Limited | Slough | 2023 |
| Belsize Healthcare Limited | Slough | 2019 |
| Belsize LC Group Ltd | London | 2026 |