| Alade Services Limited | London | 2025 |
| Aladin Orthopaedic Solutions Limited | Nottingham | 2019 |
| Aladin's Cave Ltd | Shanklin | 2025 |
| Aladine Limited | Barnsley | 2016 |
| Alaesthetics Beauty Ltd | Skegness | 2023 |
| Alafar Ltd | Chelmsford | 2019 |
| Alafia Care Provider Ltd | Suffolk | 2023 |
| Alafia Companions Limited | Sheffield | 2026 |
| Alaga Intensive Ltd | Uxbridge | 2013 |
| Alagao-Garcia Limited | Gloucester | 2023 |
| Alagi Basiru Faal Limited | Cardiff | 2019 |
| Alahi Ltd | Newcastle Upon Tyne | 2022 |
| Alaia Guztiak Limited | London | 2011 |
| Alaia Ltd | Belfast | 2024 |
| Alaidy's Ltd | Dewsbury | 2026 |
| Alain Care Ltd Limited | Manchester | 2020 |
| Alain Child Care Ltd | Mitcham | 2025 |
| Alain EYE Care Limited | Stanmore | 2019 |
| Alaina Abrams Limited | Aberdare | 2025 |
| Alakate Ltd | Purfleet | 2022 |
| Alali Healthcare Ltd | Peterborough | 2024 |
| Alam & Fatima Ltd | Lincoln | 2014 |
| Alam & Jilani Medical Services Limited | London | 2025 |
| Alam & Masood Radiology Limited | Rochdale | 2025 |
| Alam and SAN Ltd | Southampton | 2016 |
| Alam Care Provider Ltd | London | 2025 |
| Alam Holistic Consulting Ltd | Wanstead | 2023 |
| Alam Home Care Ltd | London | 2023 |
| Alam Locums Ltd | Grantham | 2012 |
| Alam Medical Ltd | London | 2026 |
| Alam Medical Services Limited | Manchester | 2022 |
| Alam Noor Ltd | Wellingborough | 2017 |
| Alam Optical Ltd | Ilford | 2024 |
| Alam Optics Ltd | Birmingham | 2025 |
| Alamag Care Ltd | London | 2019 |
| Alaman Ltd | Hamilton | 2024 |
| Alamand Ltd | Eastbourne | 2023 |
| Alamea Cosmetics Ltd | London | 2021 |
| Alamed Consultancy Ltd | London | 2022 |
| Alameen Medic Limited | Derby | 2024 |
| Alamma Scan Ltd | Coventry | 2024 |
| Alamsa Ltd | Hockley | 2025 |
| Alan Arnott Eyecare Limited | Milngavie | 2010 |
| Alan Boothby Limited | Wisbech | 2005 |
| Alan Boyd Consultants Limited | Crewe | 2005 |
| Alan Buckley Coaching Limited | Armagh | 2024 |
| Alan Colam Psychoanalyst Limited | London | 2025 |
| Alan Coles Osteopath Limited | London | 2002 |
| Alan Critchley Consulting Ltd | Colchester | 2011 |
| Alan D. Verrinder Limited | Pershore | 2003 |
| Alan Diagnostic Ltd | Romford | 2020 |
| Alan Enterprises Limited | London | 2026 |
| Alan Fletcher Medical Reports Limited | Sheffield | 2016 |
| Alan G Henderson Limited | York | 2009 |
| Alan Gillespie Limited | Sheffield | 2011 |
| Alan Glen Wilson Limited | Wilmslow | 2012 |
| Alan Gowans Orthodontics Limited | Ilkley | 2008 |
| Alan Higgins Ltd | Elland | 2017 |
| Alan John Associates Limited | Uxbridge | 1999 |
| Alan Knox Medical Services Limited | Arnold | 2018 |
| Alan LAM Family Dental Practice Limited | Chester Le Street | 2007 |
| Alan Lewis & Associates Limited | London | 2008 |
| Alan LIM Ltd | Bedford | 2015 |
| Alan Michael Salter Limited | Leeds | 2023 |
| Alan Morkill House Holdings Ltd | Uxbridge | 2012 |
| Alan Muckle Limited | Clevedon | 2002 |
| Alan Penn Limited | Nottingham | 2014 |
| Alan R J Wilson Ltd | Penryn | 2014 |
| Alan Rosenbach Consulting Limited | Harrow On The Hill | 2015 |
| Alan Smith & Paul Smith Physiotherapy Ltd | Rotherham | 2004 |
| Alan Tyler Limited | Birmingham | 2010 |
| Alan Worrall Limited | Eastbourne | 2017 |
| Alan'Na Holistic Clinic Ltd | Cardiff | 2018 |
| Alanbuki Urological Services Limited | Cambridge | 2017 |
| Aland Healthcare Consulting Limited | Cumberland Park | 2019 |
| Alando Limited | Tranent | 2025 |
| Alani Health Limited | Glasgow | 2024 |
| Alani Medical Limited | Wantage | 2020 |
| Alani Wellness Limited | Stockport | 2025 |
| Alanic Engineering Limited | Redhill | 1976 |
| Alankrita's Enterprise Ltd | Suffolk | 2023 |
| Alanmart Day Care Ltd. | Stenhousemuir | 2003 |
| Alanna Metcalfe Ltd | Plymouth | 2023 |
| Alannah Jade Counselling Ltd | Nelson | 2022 |
| Alao Orthopaedic Surgery Consulting Limited | Manchester | 2023 |
| Alaoma Care Limited | London | 2019 |
| Alapatt Musculoskeletal Radiology Ltd | Newcastle Under Lyne | 2015 |
| Alappatt Consultancy Ltd | Colchester | 2024 |
| Alaqqad Healthcare Ltd | London | 2026 |
| Alara Brow Design Ltd | London | 2024 |
| Alarakhia Psychological Wellbeing Ltd | Watford | 2026 |
| Alaribe Chinaza Company Limited | Oxford | 2025 |
| Alaris Clinical Limited | London | 2026 |
| Alas Multinational Limited | Southsea | 2020 |
| Alasdair Howie Anaesthetics Limited | Maghull | 2020 |
| Alase Care Solutions Ltd | Manchester | 2026 |
| Alaso Limited | Erith | 2013 |
| Alaso OKE Ltd | Coalville | 2025 |
| Alastair Brookes Surgeon Ltd | Halesowen | 2023 |
| Alastair FRY Ltd | Redditch | 2018 |