| Abdelzo Limited | Orpington | 2012 |
| Abder Finance Ltd | Cardiff | 2024 |
| Abdia Capital Limited | Sidcup | 2023 |
| Abdiaziz Ltd | Leicester | 2024 |
| Abdisalam Security Limited | London | 2026 |
| Abdon Maintenance Ltd | London | 2017 |
| ABDON247 Ltd | Slough | 2020 |
| Abdona Limited | Upminster | 2006 |
| Abdul Aziz Hakim Ltd | Cardiff | 2026 |
| Abdul Hanif Limited | Northampton | 2025 |
| Abdul Rehman Traders Limited | London | 2018 |
| Abdulla Cleaning Services Limited | Chessington | 2025 |
| Abdullah T Cons Ltd | West Midlands | 2026 |
| Abdullah Travels Limited | London | 2017 |
| Abdulmal Enterprises Ltd | London | 2017 |
| ABDULR10-NEUTRAL Ltd | Solihull | 2016 |
| Abdurahimli Group UK Ltd | London | 2026 |
| Abdurahmanov Limited | London | 2026 |
| ABE Clean Ltd | London | 2025 |
| ABE Security Ltd | Manchester | 2026 |
| ABEBI1023 Ltd | Flitwick | 2023 |
| Abeceder Limited | Wetherby | 2003 |
| Abecee Ltd | Harrogate | 2026 |
| Abeciou Limited | Eastleigh | 2008 |
| Abedin & Solomon Limited | London | 2023 |
| Abedini Services Ltd | Ealing | 2016 |
| Abednego Limited | Banbury | 2017 |
| Abedo Prive Ltd | Liverpool | 2026 |
| Abee Cleaning Limited | Leicester | 2012 |
| Abee Consultancy Ltd | Derby | 2019 |
| Abee Domestic Limited | Keynsham | 2015 |
| Abeera Limited | Croydon | 2013 |
| Abeeso Security and Cleaning Services Ltd | Newport | 2021 |
| Abegail Hermoso Ltd | Belfast | 2023 |
| Abehr Digital Limited | London | 2014 |
| Abekjala Ltd | Orpington | 2022 |
| Abeks Ltd | Salford | 2026 |
| Abel Ag-Tech Limited | Brighton | 1983 |
| Abel Bowman & Co Limited | Pontefract | 2018 |
| Abel Cleaning Services Ltd | Leeds | 2020 |
| Abel Consulting Limited | Broadstairs | 2025 |
| Abel Development Consultants Ltd | Walsall | 2024 |
| Abel Energy Limited | Thetford | 2025 |
| Abel Enterprises Ltd | London | 2026 |
| Abel Facilities Limited | Belfast | 2026 |
| Abel Hands Ltd | Norwich | 2024 |
| Abel Industrial Cleaning Limited | Belfast | 2026 |
| Abel Personnel Limited | Dunstable | 2025 |
| Abel Photo Specialist Ltd | Wembley | 2006 |
| Abel Solutions (Northern) Ltd | Darlington | 2012 |
| Abel Transport Services Ltd | Walsall | 2016 |
| Abelha Consulting Limited | Clitheroe | 2025 |
| Abelia Landscapes Ltd | Salisbury | 2018 |
| Abelian Computing Limited | Altrincham | 2024 |
| Abelian-Uk Ltd | London | 2014 |
| Abell Company Registration Ltd | Canary Wharf | 2020 |
| Abell Contracting Limited | Hornchurch | 2011 |
| Abell Maintenance Ltd | Stoke-On-Trent | 2009 |
| Abell Money Limited | London | 2025 |
| Abell Services Limited | London | 1999 |
| Abell Testing Solutions Ltd | Warrington | 2026 |
| Abella HR Limited | Braintree | 2018 |
| Abella Partners Ltd | London | 2025 |
| Abelo Aviation Servicing UK Limited | Edinburgh | 2015 |
| Abelo Leasing 1 UK Limited | London | 2026 |
| Abels Group Limited | Newport | 2017 |
| Abelscroft Executive Mentoring Ltd | London | 2024 |
| Abelview Homes Limited | Bedford | 2025 |
| ABENEFIT2U Limited | Lytham St. Annes | 2008 |
| Abensons Law Ltd | London | 2012 |
| Abeona Travel Co Ltd | London | 2022 |
| Aber Employment Ltd | Caldicot | 2024 |
| Aber Food Surplus Ltd | Aberystwyth | 2017 |
| Aber Landscapes Limited | Swansea | 2014 |
| Aber Ltd | Liverpool | 2016 |
| Aber Tool & Plant Hire Ltd | London | 2026 |
| Aber Trustees Limited | Dyfed | 2002 |
| Aberandi Group Ltd | London | 2025 |
| Abercastle NV Limited | Edinburgh | 2008 |
| Aberchalder & Glengarry Estates Limited | Invergarry | 2015 |
| Aberchirder Horticultural Society | Turriff | 2008 |
| Aberclean Plant & Sweeper Hire Limited | Westhill | 2013 |
| Aberconwy Car and Van Hire Limited | North Wales | 1991 |
| Aberconwy Domestic Abuse Service | Llandudno Junction | 1999 |
| Abercorn Care Limited | Edinburgh | 1996 |
| Abercorn Mansions Management Limited | Hertford | 2000 |
| Abercorn Sinclair Ltd | Glasgow | 2019 |
| Abercrombie & Arabia Ltd | Birmingham | 2021 |
| Abercrombie & Kent Europe Limited | Cheltenham | 1988 |
| Abercrombie & Kent Limited | Cheltenham | 1972 |
| Abercrombie & Kent North & Central Asia Limited | Cheltenham | 2008 |
| Abercromby Appointments Limited | London | 1998 |
| Abercromby Duncan Interiors Limited | Glasgow | 2003 |
| Abercromby Recruitment Consulting Limited | Southwick | 2023 |
| Aberdalgy Consultants Limited | Twyford | 2003 |
| Aberdare Rugby Union Football Club | Aberdare | 2012 |
| Aberdeen Air Source Heating Ltd | Aberdeen | 2020 |
| Aberdeen Alternative Limited | Edinburgh | 2025 |
| Aberdeen and Aberdeenshire Tourism Company Limited | Aberdeen | 2011 |
| Aberdeen Appointments Agency Limited | Aberdeen, | 2001 |