| ABG Recruitment Ltd | Brierley Hill | 2019 |
| ABG Services Limited | Gerrards Cross | 2024 |
| ABG Sundal Collier Limited | London | 1997 |
| ABG T & L Ltd | Cobham | 2022 |
| Abg-Tb Ipco (UK) Limited | Altrincham | 2021 |
| Abgalvin Limited | Sheffield | 2009 |
| Abgardens Ltd | Swansea | 2024 |
| Abgardens Orpington Ltd | Kidwelly | 2025 |
| Abgg Limited | Hayes | 2026 |
| Abguard Fire Suppression Ltd | Aberdeen | 2021 |
| ABH REC Limited | Kingston Upon Thames | 2006 |
| ABH Tattooing Limited | Scunthorpe | 2024 |
| Abhan Ltd | Tranent | 2017 |
| Abhat Holdings Limited | Yeovil | 2019 |
| Abhiksha Ltd | Colchester | 2018 |
| Abhinav Technologies Limited | Warrington | 2012 |
| Abhiram Events and Productions Ltd | Greenford | 2026 |
| Abhm Limited | Redditch | 2018 |
| ABI Associates CIC | | 1995 |
| ABI Australia Beverage Holding Ltd | London | 2016 |
| ABI Australia Holding (UK) Limited | London | 2019 |
| ABI Australia Investment Ltd | London | 2016 |
| ABI Building Data Ltd. | London | 1989 |
| ABI Business Insight Limited | Nottinghamshire | 2012 |
| ABI Central America Holding Ltd. | London | 2022 |
| ABI Change Logic CS Limited | Gloucester | 2023 |
| ABI Design Ltd | Stockport | 2009 |
| ABI Laser UK Ltd | Milnrow | 2015 |
| ABI Llewellyn-Jones Limited | Newbury | 2017 |
| ABI Mexico Holding I Unlimited | London | 2016 |
| ABI Modelo Holding Ltd. | London | 2022 |
| ABI Roofing Limited | Sidcup | 2016 |
| ABI Rowley Ltd | Hemel Hempstead | 2019 |
| ABI Secretariat Limited | Elstree | 2016 |
| ABI Solutions Limited | Glasgow | 2012 |
| ABI Valeting Ltd | Greengates | 2019 |
| ABI Ventures Ltd | Grantham | 2025 |
| Abi's Bespoke Cleaning Limited | Widdrington | 2024 |
| Abi's Catering Supplier Ltd. | Basildon | 1996 |
| Abiam Enterprise Ltd | Reigate | 2012 |
| Abiba Limited | Wolverhampton | 2017 |
| Abic Cleaning Limited | Folkestone | 2012 |
| Abic Limited | Cardiff | 2025 |
| Abicad Limited | Southampton | 1997 |
| Abiconsult Ltd | Basildon | 2023 |
| Abid Travels & Tours Limited | London | 2020 |
| Abidale Limited | London | 2006 |
| Abide Care Limited | London | 2010 |
| Abide Consulting Ltd | Epsom | 2023 |
| Abide Solutions Ltd | Liverpool | 2023 |
| Abie and George Ltd | London | 2018 |
| Abiel Recruitment Ltd | Erith | 2018 |
| Abierto Ltd | London | 2017 |
| Abifields Ltd | Rotherham | 2024 |
| Abigail ALT Limited | London | 2012 |
| Abigail Bond Ltd | Tutbury, Burton-On-Trent | 2026 |
| Abigail Joshi Ltd | Glasgow | 2025 |
| Abigail Sevice Limited | London | 2025 |
| Abigail Talent Solutions Ltd | Wokingham | 2025 |
| Abil Office Solutions Limited | Ascot | 2008 |
| Abil Private Limited | Caterham | 2019 |
| Abilass Resources Limited | Gravesend | 2024 |
| Abilities HR Limited | Croydon | 2024 |
| Abilitiez Ltd | Finchley | 2016 |
| Ability Advocates Limited | Durham | 2023 |
| Ability Beyond Vision Limited | Bolton | 2026 |
| Ability Capital Limited | Brentford | 2025 |
| Ability Check Ltd | Wallington | 2021 |
| Ability Energy Limited | Wells | 2016 |
| Ability Heating & GAS Ltd | Whitstable | 2018 |
| Ability Hotels (IV) Finance B Limited | Brentford | 2019 |
| Ability Hotels (IV) UK B Limited | Brentford | 2019 |
| Ability HR and Recruitment Services Limited | Cheadle Hulme | 2024 |
| Ability Management Limited | London | 2017 |
| Ability Records Limited | London | 2000 |
| Ability Recruitment Group Limited | Romford | 2018 |
| Ability Recruitment Solutions Group Limited | Cannock | 2022 |
| Ability Recruitment Solutions Limited | London | 2022 |
| Ability Resourcing Limited | Cambridge | 2004 |
| Ability Security Consultants Ltd | Ruislip | 2011 |
| Ability SEN Ltd | London | 2025 |
| Ability Services Limited | Lytham St. Annes | 2026 |
| Ability Squared Limited | Welwyn | 2018 |
| Ability Tree Services Ltd | High Wycombe | 2026 |
| Ability Works International Ltd | Downpatrick | 2025 |
| Abimara (Ithaca) Limited | London | 2019 |
| Abimbs Ltd | Croydon | 2018 |
| Abimedical Limited | Oldbury | 2023 |
| Abineysh Limited | Loughton | 2024 |
| Abingdon Bridge Marine Limited | Oxford | 2014 |
| Abingdon Close Residents' Company Limited | Worcester Park | 2007 |
| Abingdon Complete Garden Service Ltd | Kidlington | 2020 |
| Abingdon Eco Clean Ltd | Abingdon | 2023 |
| Abingdon House Consulting Ltd | Harrogate | 2022 |
| Abingdon Lodge (Rustington) Ltd | Middlesex | 2005 |
| Abingdon People Limited | London | 2025 |
| Abingdon Plant and Machinery Hire Ltd | Northampton | 2026 |
| Abingdon Riverfront Limited | Oxford | 2014 |
| Abingdon Rugby Football Club Ltd | Oxford | 2013 |
| Abingdon Scanning Limited | Wallingford | 2015 |