| Aljoher Ltd | Burton-On-Trent | 2025 |
| Aljs Medical Ltd | Preston | 2023 |
| Aljsuza Ltd | Sheffield | 2026 |
| ALK Enterprises Ltd | Sutton Coldfield | 2024 |
| ALK Medical and Dental Services Ltd | Wilmslow | 2023 |
| ALK Medical Limited | London | 2026 |
| ALK Practitioners Ltd | Wolverhampton | 2022 |
| ALK Radiology Solutions Limited | Barnet | 2025 |
| Alka & Aditi Co Ltd | Weston Super Mare | 2015 |
| Alka Kumar Ltd | Bradford | 2016 |
| Alka Mishra Ltd | Milton Keynes | 2013 |
| Alkaabyco Limited | Banstead | 2007 |
| Alkali Healthcare Limited | Manchester | 2018 |
| Alkapharm Healthcare Limited | Truro | 2024 |
| Alkareem Medical Ltd | Hull | 2023 |
| Alketa Bouzi Limited | East Calder | 2026 |
| Alkhaddar Holdings Limited | Cheadle | 2016 |
| Alkhaddar Ltd | Altrincham | 2012 |
| Alkhaldi Healthcare Limited | Pontefract | 2020 |
| Alki Services Ltd. | London | 2023 |
| Alkians Care Group Ltd. | Bletchley | 2019 |
| Alkimia Training Limited | London | 2015 |
| Alkins Wellness Ltd | Alsager | 2026 |
| Alkosti Limited | Hornchurch | 2024 |
| Alkti Surgery Ltd | London | 2012 |
| ALL 'DEE Care Limited | Dartford | 2023 |
| ALL 4 U Care Ltd | Leigh-On-Sea | 2018 |
| ALL Aboard Kids Club Limited | Kings Langley | 2019 |
| ALL Aboard Nursery Ltd | Hope Valley | 2016 |
| ALL Aboard Send Community Interest Company | London | 2024 |
| ALL About Abuse Ltd | Taunton | 2025 |
| ALL About Care Limited | Herne Bay | 2003 |
| ALL About Care South West Limited | Barnet | 2008 |
| ALL About Caring Ltd. | Guildford | 2012 |
| ALL About Families Ltd | Manchester | 2008 |
| ALL About Feet Ltd | Yateley | 2015 |
| ALL About Footcare Ltd | Ryde | 2024 |
| ALL About Hands Limited | Benfleet | 2014 |
| ALL About Healing Ltd | London | 2023 |
| ALL About Hearing Ltd | Ipswich | 2022 |
| ALL About Home Care Limited | Tonbridge | 2014 |
| ALL About Kids Therapy Limited | Pinner | 2026 |
| ALL About Kids Wales CIC | Gronant | 2025 |
| ALL About Kidz N20 Limited | Wallingford | 2021 |
| ALL About ME Spa Ltd | Halesowen | 2026 |
| ALL About Obesity C.I.C. | Harrogate | 2021 |
| ALL About Podiatry Ltd | Liverpool | 2012 |
| ALL About U Care Services Limited | Chelmsford | 2011 |
| ALL About U Ltd | Rotherham | 2014 |
| ALL About YOU Care Services Limited | Poulton Le Fylde | 2007 |
| ALL About YOU Counselling and Psychotherapy Ltd | London | 2019 |
| ALL About YOU Mobile Therapies Ltd | Derby | 2019 |
| ALL Access Healthcare Group Ltd | High Wycombe | 2019 |
| ALL Access Healthcare Limited | Chatham | 2017 |
| ALL Align Ltd | Liss | 2021 |
| ALL Aspects Agency Limited | Spalding | 2019 |
| ALL Aspects Care Limited | Hollinwood | 2011 |
| ALL Aspects Health & Social Care Services Limited | Leyland | 2017 |
| ALL at Sea Therapy Limited | Bridgwater | 2022 |
| ALL Backs Physio Hemel Ltd | Hemel Hempstead | 2021 |
| ALL Being Well Nutrition Limited | Wendover | 2023 |
| ALL Born Curious Childcare Ltd | Ammanford | 2022 |
| ALL Born Curious Limited | Ammanford | 2020 |
| ALL Bridges Limited | Spalding | 2009 |
| ALL Care (GB) Limited | London | 2004 |
| ALL Care (South Wales) Limited | Vale Of Glamorgan | 2002 |
| ALL Care 4 U Care Homes Ltd | London | 2021 |
| ALL Care in One Limited | Birmingham | 2012 |
| ALL Care Residential Services Ltd | Birmingham | 2025 |
| ALL Care Services Ltd | Livingston | 2018 |
| ALL CARE-24 Limited | Harlow | 2015 |
| ALL Caring Ltd | London | 2025 |
| ALL Ceramics Limited | Surrey | 1968 |
| ALL Chapters CIC | Manchester | 2025 |
| ALL Chapters Tailored Support Ltd | Manchester | 2025 |
| ALL Children Matter Ltd | Liverpool | 2020 |
| ALL Children's Services Ltd | Watford | 2024 |
| ALL Clear WAX Removal Ltd | Walsall | 2026 |
| ALL Community Connect CIC | Leeds | 2022 |
| ALL Counties Health Care Ltd | Poulton-Le-Fylde | 2023 |
| ALL Counties Hearing Limited | Worthing | 2006 |
| ALL Day Care Services Ltd | Norwich | 2012 |
| ALL Day Carers Limited | Wolverhampton | 2022 |
| ALL Day DR Limited | Birmingham | 2020 |
| ALL Dental Limited | Croydon | 2024 |
| ALL Ears Counselling Ltd | Brighton | 2017 |
| ALL Ears Ltd | Carmarthen | 2019 |
| ALL Elements Acupuncture Limited | Lymington | 2022 |
| ALL Elements Healing Limited | Lymington | 2022 |
| ALL Elite Physio Ltd | Halifax | 2025 |
| ALL EYE Need Ltd | London | 2012 |
| ALL for Care Limited | Harrow | 2025 |
| ALL for YOU Home Care Limited | Redditch | 2017 |
| ALL for YOU Home Care London Limited | Redditch | 2026 |
| ALL Four for One Ltd | Rotherham | 2018 |
| ALL Good Aesthetics Ltd | Buckie | 2025 |
| ALL Good Ventures Limited | Southall | 2022 |
| ALL Great Solutions Ltd | St. Leonards-On-Sea | 2021 |
| ALL Gynaecology Ltd | Tewkesbury | 2024 |
| ALL Hallows Farnham Charitable Trust | Farnham | 1994 |