| AKR Surgical Limited | Romsey | 2012 |
| AKR Trading Limited | Derby | 2023 |
| Akrad Ltd | Glasgow | 2017 |
| Akram & Elahi Ltd | Leicester | 2012 |
| Akram Locums Ltd | Gateshead | 2025 |
| Akram Optical Ltd | Rochdale | 2022 |
| Akram-Medical Services Limited | Sheffield | 2022 |
| Akrama Limited | Bradford | 2024 |
| Akramsons Healthcare Ltd | Glasgow | 2024 |
| Akras Solutions Limited | Ruislip | 2014 |
| Akrg Health Limited | London | 2025 |
| Akrivia Biomedics Limited | Hendon | 2019 |
| Akro Foundation Ltd | London | 2015 |
| Akrs (Holdings) Limited | Brighton | 2012 |
| Akrs Carehomes Limited | Wilmslow | 2019 |
| Akrus Limited | Market Harborough | 2010 |
| AKS Aesthetics Limited | Harrow | 2020 |
| AKS Care Ltd | Stanmore | 2024 |
| AKS Dental Limited | Llanelli | 2022 |
| AKS Fitness Ltd | London | 2024 |
| AKS Healthcare Limited | Newcastle Upon Tyne | 2013 |
| AKS Medical Consultancy Limited | Leeds | 2012 |
| AKS Medics Limited | Chorley | 2019 |
| AKS O Naqsh - Reflection of Art Ltd | Bolton | 2025 |
| AKS Orthoptics Limited | Ilford | 2023 |
| AKS Podiatry Services Ltd | Staines | 2015 |
| AKS Professional Services Ltd | Birmingham | 2022 |
| AKS Radiology Limited | Guildford | 2019 |
| AKS Sports Injury Ltd | Leicester | 2026 |
| AKS Support Limited | Feltham | 2015 |
| AKS Surgical Services Limited | Manchester | 2021 |
| Aksar Locum Limited | Birmingham | 2022 |
| Aksgill Ltd | Kenilworth | 2026 |
| Aksh Limited | Cardiff | 2022 |
| Akshana Healthcare Ltd | Coventry | 2025 |
| Akshar Community Care Ltd. | London | 2001 |
| Akshar Devaa Medsec Ltd | London | 2025 |
| Akshar Health Care Limited | Watford | 2007 |
| Akshar Professional Services Limited | Harrow | 2019 |
| Akshara Enterprises Ltd | London | 2025 |
| Akshara Health Solutions Ltd | Nottingham | 2024 |
| Aksharan Foundation | Sutton | 2018 |
| Akshay and Ashika Ltd | Hexham | 2025 |
| Akshay Ltd | Haverhill | 2018 |
| AKSHAYA02 Ltd | London | 2021 |
| Aksianmed Ltd | Middlesex | 2019 |
| Aksol Healthcare Ltd | Coventry | 2021 |
| Aksvinrad Ltd | Bristol | 2023 |
| AKT Locum Ltd | Lytham St. Annes | 2014 |
| AKT Physiotherapy Limited | Watford | 2024 |
| Aktas Health Ltd | London | 2019 |
| Akthar Therapies Ltd | London | 2016 |
| Aktiv FUN Limited | London | 2021 |
| Aktiva Camps Limited | London | 2005 |
| Aktiva Nurseries Limited | Morden | 2012 |
| Aktive Child Limited | Romford | 2025 |
| Aktive Healthcare Limited | Romford | 2014 |
| Aktuate Limited | Kensington | 2012 |
| AKU & STR Medical Ltd | Lutterworth | 2025 |
| AKU Medicals Ltd | Leeds | 2025 |
| AKU Services Ltd | Manchester | 2019 |
| AKU2 Limited | Rowley Regis | 2018 |
| Akua Serwaa Enterprise Ltd | Mitcham | 2018 |
| Akuagodisgood Ltd | Gravesend | 2014 |
| Akuba Active Care Services Limited | London | 2021 |
| Akuchi Services Ltd | Romford | 2022 |
| Akudi Audiology Services Ltd | Batley | 2025 |
| Akudi Enterprises Ltd | Dewsbury | 2006 |
| Akudi Optical Services Ltd | Batley | 2019 |
| Akuezzy Investment Ltd | London | 2020 |
| Akuffocos Company Limited | Feltham | 2023 |
| Akugbe Brothers Club | Harlow | 2022 |
| Akumin Health Limited | Grays | 2023 |
| Akunamathatajoy Ltd | Feltham | 2025 |
| Akuns Khalid Ltd | Birmingham | 2023 |
| Akuonu Ventures Ltd | Altrincham | 2026 |
| Akupee Services Ltd | Harlow, Essex, | 2025 |
| Akurei MMA Academy Ltd | Middlesbrough | 2019 |
| Akurik Ltd | Exeter | 2020 |
| Akut- Hona Health Ltd | Watford | 2021 |
| Akuwata UK Limited | Bath | 2024 |
| Akventures Brentwood Ltd | Billericay | 2024 |
| Akvg Limited | Birmingham | 2023 |
| AKW Medi-Care Limited | Worcestershire | 1992 |
| AKW Smile Limited | Thames Ditton | 2026 |
| Akwa Health Solutions Ltd | Liverpool | 2020 |
| Akwaaba Care and Support Ltd | Blaydon-On-Tyne | 2022 |
| Akwah Healthcare Ltd | Dagenham | 2022 |
| Akwapoks Care Solutions Ltd | Northampton | 2023 |
| Akwenash Limited | London | 2015 |
| Akwiwu-Uzoma Medicals Ltd | Egremont | 2025 |
| Akworth Limited | Wolverhampton | 2024 |
| AKY Medical Limited | Welwyn Garden City | 2013 |
| Akyeman Ltd | Northampton | 2023 |
| Akyno Global Limited | Salford | 2019 |
| AL & KIM Ltd | Coventry | 2023 |
| AL - Mizan Charitable Trust | Pinner | 2010 |
| AL - Muhammad International Limited | Nottingham | 2019 |
| AL - Rawi Anaesthetic Services Limited | York | 2017 |
| AL 101 Care Limited | Preston | 2022 |