| Belfast Homeless Services | Belfast | 2019 |
| Belfast Medical Training Academy Limited | Ballymena | 2024 |
| Belfast Migraine Clinic Ltd | Belfast | 2026 |
| Belfast Orthodontic Centre Ltd | Belfast | 2023 |
| Belfast Orthodontic Clinic Ltd | Newry | 2013 |
| Belfast Orthopaedic Specialist Group Limited | Belfast | 2015 |
| Belfast Private Ambulance Service Ltd | Lisburn | 2023 |
| Belfast Private Oncology Limited | Newry | 2018 |
| Belfast Psychology Services Ltd | Belfast | 2022 |
| Belfast Respiratory Clinic Limited | Belfast | 2024 |
| Belfast Shoulder Clinic Ltd | Newtownards | 2018 |
| Belfast Sport and Health Clinic Ltd | Belfast | 2020 |
| Belfast Sports and Spinal Ltd | Belfast | 2014 |
| Belfast Street Pastors | Belfast | 2015 |
| Belfast Surgical Services Limited | Belfast | 2020 |
| Belfast Trans Resource Centre Limited | Belfast | 2024 |
| Belfast Urban Sports Ltd | Belfast | 2007 |
| Belfast Urology Limited | Sheffield | 2023 |
| Belford Care Limited | Basingstoke | 2002 |
| Belfort Dental Care Limited | Tunbridge Wells | 2013 |
| Belfort Oak Ltd | Heanor | 2017 |
| Belfry Care Limited | Burton On Trent | 2026 |
| Belfry Support Ltd | Birmingham | 2023 |
| Belgarum Medical Limited | Salisbury | 2019 |
| Belgaum Medical Centre Ltd | Watford | 2013 |
| Belgaum Medical Services Limited | Kidbrooke | 2017 |
| Belgrade Medical Limited | Canterbury | 2010 |
| Belgrave Care Limited | Chester | 2016 |
| Belgrave Dental Centre Ltd | Swansea | 2008 |
| Belgrave Dental Limited | Tetbury | 2024 |
| Belgrave Living Ltd | Canterbury | 2020 |
| Belgrave Medical Limited | Edinburgh | 2019 |
| Belgrave of Bristol Aesthetics Limited | Bristol | 2018 |
| Belgrave-Hoyte Limited | Carshalton | 2015 |
| Belgravea Healthcare Ltd | London | 2025 |
| Belgravia (JEM) Limited | Worksop | 2008 |
| Belgravia Care Connection Ltd | London | 2026 |
| Belgravia Care Home Limited | Blackpool | 2017 |
| Belgravia Diagnostics Limited | London | 2026 |
| Belgravia Healthcare Ltd | Telford | 2021 |
| Belgravia Medical Limited | Southport | 2013 |
| Belgravia Physiotherapy Limited | London | 2009 |
| Belgravia Therapy Limited | London | 2013 |
| Belgray Services Ltd | Solihull | 2023 |
| Belhadj Optical Solutions Ltd | Slough | 2023 |
| Belhadj RAD Ltd | London | 2025 |
| Belhouse Care Ltd | Gillingham | 2024 |
| BELIETTA01 Ltd | London | 2019 |
| Believable Ltd | Waterlooville | 2024 |
| Believe & Receive Ltd | Warrington | 2024 |
| Believe 2 Achieve Health Solutions Limited | Leamington Spa | 2011 |
| Believe and Achieve Support Ltd | Manchester | 2022 |
| Believe Ayrshire C.I.C. | Ayr | 2023 |
| Believe Care and Support Ltd | Preston | 2021 |
| Believe Change Management Consultancy Limited | Newcastle Upon Tyne | 2014 |
| Believe Dental Limited | Bristol | 2025 |
| Believe Globally CIC | London | 2020 |
| Believe Health Care Agency Limited | Uxbridge | 2017 |
| Believe in Beyond CIC | Gloucester | 2025 |
| Believe in Change CIC | Coventry | 2024 |
| Believe in Goodness (BG) Care Home Ltd | Aldershot | 2026 |
| Believe in Goodness (BG) Care Ltd | Aldershot | 2024 |
| Believe in Lean Limited | Haywards Heath | 2023 |
| Believe in YOU Psychotherapy Limited | Johnstone | 2025 |
| Believe My Supplements Ltd | Windsor | 2022 |
| Believeintalking Limited | Chichester | 2023 |
| Believers Care Ltd | Erith | 2024 |
| Believers Heritage Ltd | London | 2010 |
| Belifted Social Work Limited | Newton Aycliffe | 2023 |
| Belight Medicals Ltd | Coventry | 2021 |
| BELINA82 Limited | Nuneaton | 2021 |
| Belinda and SON Ltd | Cambridge | 2015 |
| Belinda Memmott Ltd | Watford | 2016 |
| Belinda Shapps Limited | Pinner | 2022 |
| Belinda T Care Ltd | Barnsley | 2019 |
| Belinda's Care Services Limited | Kidbrooke Village | 2012 |
| Beling & Co Limited | Epping | 2005 |
| Beling Medical Services Limited | Fareham | 2019 |
| Belinha Limited | Carterton | 2020 |
| Belissima Aesthetics Ltd | Enfield | 2021 |
| Belix Limited | Bristol | 2021 |
| Beliz Independent Living Ltd | Kington | 2026 |
| Belkis Lifecoaching Ltd | Swansea | 2021 |
| Bell & Stenton Limited | Bristol | 1999 |
| Bell and DEL Ltd | Birmingham | 2016 |
| Bell and Friends Home Help Ltd | Basingstoke | 2026 |
| Bell Community Care Limited | Darlington | 2015 |
| Bell Flower PVT. Limited | Coventry | 2016 |
| Bell Gray House (Ireland) Ltd | Belfast | 2020 |
| Bell Green Care Limited | Coventry | 2025 |
| Bell Health Centre Limited | Croydon | 2020 |
| Bell Medi Clinic Limited | Dundee | 2026 |
| Bell of the Ball Beauty Ltd | Grangemouth | 2026 |
| Bell Psychology Ltd | London | 2020 |
| Bell Psychology Practice Ltd | London | 2026 |
| Bell Street Dent Ltd | Monmouth | 2024 |
| Bell View (Belford) | Northumberland | 1998 |
| Bell View Care Limited | Northumberland | 2008 |
| Bell View Help at Home Limited | Belford | 2013 |
| Bell Work Health Ltd | London | 2009 |