| Abbass Healthcare Ltd | Sheffield | 2018 |
| Abbe 27 Limited | Bridlington | 2018 |
| Abbe Globe Limited | London | 2009 |
| Abbe Trading Company Limited | | 1959 |
| Abbendon Healthcare Ltd | Southport | 2018 |
| Abberdale Limited | Leicester | 2011 |
| Abberley House Nursery Limited | St. Ives | 2022 |
| Abberton Medical Services Ltd | Richmond | 2011 |
| Abbey Care Direct Ltd | Shrewsbury | 2006 |
| Abbey & Hamilton Limited | Bristol | 2016 |
| Abbey Care (NW) Limited | Holywell | 2012 |
| Abbey Care and Nursing @Home Limited | Barnsley | 2007 |
| Abbey Care Centre Limited | Essex | 2006 |
| Abbey Care Complex Limited | Essex | 2003 |
| Abbey Care Services Limited | Loughton | 2016 |
| Abbey Care Solutions Limited | Waltham Abbey | 2011 |
| Abbey Chase Residential and Nursing Homes Limited | Godalming | 1989 |
| Abbey Cheam Centre Ltd | Essex | 2004 |
| Abbey Chiropractic Clinic Limited | Romsey | 2017 |
| Abbey Chiropractic Limited | Bury St. Edmunds | 2008 |
| Abbey Clinical Limited | Harrow | 2023 |
| Abbey Community Association Limited | | 2005 |
| Abbey Community Centre | London | 1986 |
| Abbey Cottage Dental Practice Limited | Bromsgrove | 2008 |
| Abbey Court Care Limited | Birmingham | 2020 |
| Abbey Court Nursing and Residential Homes Limited | Worksop | 1986 |
| Abbey D. Surgery Ltd | Gerrards Cross | 2008 |
| Abbey Day Care Centre Limited | Willenhall | 2026 |
| Abbey Dean Care Home Limited | Potters Bar | 2014 |
| Abbey Dent Limited | Margate | 2015 |
| Abbey Dental Care Limited | Selby | 2018 |
| Abbey Dental Care Paisley Ltd | Paisley | 2024 |
| Abbey Dental Clinic Ltd | Whiteabbey | 2011 |
| Abbey Dental Whitechapel Ltd | London | 2006 |
| Abbey Dingle Nursing Homes Limited | Denbighshire | 1987 |
| Abbey Enterprise Ltd | London | 2015 |
| Abbey Grange Care Home Ltd | Burnley | 2022 |
| Abbey Green Therapeutic Children's Services Ltd | Nottingham | 2018 |
| Abbey Health Care Limited | Grimsby | 2004 |
| Abbey Healthcare (Aaron Court) Limited | London | 2013 |
| Abbey Healthcare (Cromwell) Ltd. | London | 2010 |
| Abbey Healthcare (Farnworth) Limited | London | 2004 |
| Abbey Healthcare (Festival) Limited | London | 2008 |
| Abbey Healthcare (Hamilton) Ltd | London | 2016 |
| Abbey Healthcare (Huntingdon) Ltd | London | 2002 |
| Abbey Healthcare (Kendal) Limited | London | 2004 |
| Abbey Healthcare (Mill Hill) Limited | London | 2016 |
| Abbey Healthcare (Westmoreland) Limited | London | 2011 |
| Abbey Healthcare Homes (East Kilbride) Limited | London | 2002 |
| Abbey Healthcare Homes Limited | London | 2002 |
| Abbey Healthcare Solutions Ltd | Rochdale | 2023 |
| Abbey HEY Care Home Limited | Manchester | 1995 |
| Abbey Hill Steam Rally Limited | Wincanton | 1993 |
| Abbey House Dental Practice - Rugeley Limited | Northwood | 2009 |
| Abbey House Dental Practice Limited | Northwood | 2009 |
| Abbey Integrated Welfare Limited | Liverpool | 2016 |
| Abbey Kaftans Limited | Bolton | 2014 |
| Abbey Knee Clinic Limited | Sheffield | 2010 |
| Abbey Laboratory Limited | Renfrewshire | 2002 |
| Abbey Lawns Ltd | Town Quay | 2000 |
| Abbey Locums Limited | Bury | 2012 |
| Abbey Lodge (Residential Home) Ltd | Poole | 2003 |
| Abbey Lodge Care Home Ltd | St. Albans | 2014 |
| Abbey M Services Ltd | Bexley | 2017 |
| Abbey Meads Occupational Health Services Limited | Swindon | 2006 |
| Abbey Medical Services Limited | West Wickham | 2011 |
| Abbey Medicals Ltd | London | 2023 |
| Abbey Mobile Services Limited | Abingdon | 2024 |
| Abbey Mount Limited | Birmingham | 2025 |
| Abbey Physiotherapy Ltd | Nuneaton | 2008 |
| Abbey Private Nursing Home Ltd | Dungannon | 2011 |
| Abbey Ravenscroft Park Limited | Essex | 2005 |
| Abbey Road Dental Practice Limited | London | 2011 |
| Abbey School Limited | Chester | 2011 |
| Abbey Scott Integrative Psychotherapist and Counsellor Ltd | Braintree | 2024 |
| Abbey Support and Services Limited | Leicester | 2014 |
| Abbey Total Community Care Limited | Loughton | 2023 |
| Abbey Uplands Care Home Limited | Loughton | 2023 |
| Abbey View Physiotherapy Ltd. | Gillingham | 2012 |
| Abbey View Trauma Informed Children's Services Ltd | Nottingham | 2025 |
| Abbey Village Limited | Rotherham | 2009 |
| Abbey Wood Court Limited | Coventry | 2019 |
| Abbey Wood Hospital Ltd | London | 2021 |
| Abbey Wood Manor Limited | Coventry | 2019 |
| Abbey Wood Park Limited | Coventry | 2019 |
| Abbey Wood View Limited | Coventry | 2024 |
| Abbey& SON Limited | Warrington | 2016 |
| Abbey-Haven Limited | Waltham Abbey | 2024 |
| ABBEY14 Limited | Morden | 2012 |
| Abbeybabs Limited | London | 2016 |
| Abbeybrook Medical Ltd | London | 2019 |
| Abbeycare(Uk) Limited | Lytham St. Annes | 2016 |
| Abbeycliffe Limited | Manchester | 2012 |
| Abbeydale (Ilkley) Limited | West Yorkshire | 1984 |
| Abbeyfield Fulwood Society Limited(The) | Fulwood Preston | 1963 |
| Abbeyfield (Darlington) Society Limited (the) | Darlington | 1970 |
| Abbeyfield (East Devon) Society Ltd | Colyton | 2023 |
| Abbeyfield Belfast Society Limited the | Belfast | 1960 |
| Abbeyfield Bristol and Keynsham Society | Bristol | 1966 |
| Abbeyfield Buckland Monachorum Society Limited (the) | Yelverton | 1973 |