| ABF Projects Ltd | Rotherham | 2014 |
| ABF Stone Consultancy Ltd | London | 2023 |
| ABF TZS Finance Limited | London | 2020 |
| Abfa Ltd | London | 2014 |
| Abfab Enterprises Limited | Barnard Castle | 1996 |
| Abfahrt Ltd. | London | 2006 |
| Abfield Limited | Dorchester | 1992 |
| Abford Engineering Ltd | Hartford | 2026 |
| Abfs Limited | London | 2004 |
| ABG Acquaah Ltd | London | 2022 |
| ABG Advisory & Partners Limited | London | 2020 |
| ABG Agencies Limited | Widnes | 2021 |
| ABG Architecture & Interior Design Ltd | London | 2025 |
| ABG Architecture Ltd | Leigh-On-Sea | 2011 |
| ABG Automotive Solutions Ltd | Worcester | 2023 |
| ABG Commercial Services Ltd | Coalville | 2022 |
| ABG Consult Limited | Sutton Coldfield | 2015 |
| ABG Consultants Ltd | London | 2022 |
| ABG Legal Services Limited | Bitton | 2011 |
| ABG Maintenance Ltd | Newark | 2018 |
| ABG Management Limited | Warwick | 2024 |
| ABG Safety Consultancy Limited | Pontefract | 2019 |
| ABG Worldwide Limited | London | 2021 |
| ABG York Limited | York | 2016 |
| Abgerry Ltd | Didcot | 2021 |
| Abgi-Uk Limited | Edinburgh | 2007 |
| ABH Commercial Management Limited | Chathill | 2026 |
| ABH Consultancy Limited | Fleet | 2024 |
| ABH Office Ltd | Stockport | 2024 |
| ABH Wigan Limited | Wigan | 2018 |
| ABH8 Consulting Limited | Amersham | 2023 |
| Abhainn Choilleadh Renewable Energy Limited | London | 2019 |
| Abhassociates Ltd | Barnstaple | 2011 |
| Abhay Ltd | Sutton Coldfield | 2014 |
| Abhay PVT Ltd | Milton Keynes | 2021 |
| Abhaya Limited | Hayes | 2012 |
| Abhb (Sussex) Limited | Wadhurst | 2018 |
| Abhinandan Consulting Limited | Gateshead | 2008 |
| Abhiyanta Consultancy Services Ltd | Halifax | 2025 |
| Abhl Digital Limited | Hampshire | 1998 |
| Abhl Digital Radio Limited | Hampshire | 1998 |
| Abhold Ltd | Stratford-Upon-Avon | 2022 |
| Abhr Consultancy Ltd | Harlow | 2023 |
| Abhra Limited | Wadhurst | 2019 |
| Abhtechnical Ltd | Middlesbrough | 2022 |
| Abhura Accounting Ltd | London | 2024 |
| Abhyas Ltd | London | 2026 |
| ABI Abley Photography Limited | Newport | 2017 |
| ABI Accounting Limited | Bath | 2016 |
| ABI Adamson Ltd | London | 2020 |
| ABI Bidco Limited | Beverley | 2016 |
| ABI Broadley Consulting Ltd | Harrogate | 2021 |
| ABI Consulting Ltd | London | 2025 |
| ABI Consulting PVT Limited | Enfield | 2014 |
| ABI Electrical Design Limited | Bournemouth | 2023 |
| ABI Eniola Coaching Development Ltd | London | 2023 |
| ABI Evans Design Ltd | Reading | 2022 |
| ABI Facilities Engineering Trustees Limited | Walsall | 2025 |
| ABI Hanah Ltd | Penarth | 2022 |
| ABI Holdings Limited | London | 1989 |
| ABI Laditan Ltd | Canvey Island | 2022 |
| ABI Langridge Ltd | Baildon | 2016 |
| ABI Law Limited | Peterborough | 2013 |
| ABI Levitt Consultancy Services Limited | London | 2020 |
| ABI Luffman Social Limited | Keston | 2025 |
| ABI Marchant Coaching Ltd | Warfield | 2018 |
| ABI Masterson Consulting Ltd. | London | 1998 |
| ABI Mcgillivray Architecture Ltd | Frome | 2021 |
| ABI Midco Limited | Beverley | 2016 |
| ABI Rigg Limited | Barrow-In-Furness | 2020 |
| ABI Simm Ltd | Wigan | 2025 |
| ABI Stephens Limited | London | 2015 |
| ABI Systems Limited | Stratford Upon Avon | 1987 |
| ABI Thompson Ltd | Leeds | 2024 |
| ABI Valves Ltd | Colchester | 2021 |
| ABI Ward Interiors Limited | Penzance | 2024 |
| Abi-Loi Limited | Windsor | 2024 |
| Abiac Bulk Handling Limited | Newport | 2014 |
| Abianne Ltd | Altrincham | 2016 |
| Abica Ltd | Royston | 2025 |
| Abica Phil & Co Limited | | 2007 |
| Abicos Consulting Limited | Manchester | 1994 |
| Abicris Limited | Greenhithe | 2017 |
| Abicus Accountancy Ltd | Sturminster Newton | 2020 |
| Abicus Limited | Rct | 2007 |
| Abid Associated International PVT. Ltd | London | 2025 |
| Abid Interior and Home Limited | Oldham, United Kingdom | 2026 |
| Abid Russell Technical Consultancy Ltd | London | 2024 |
| Abid Social Ltd | Liverpool | 2025 |
| Abida Umarji Ltd | High Wycombe | 2019 |
| Abidah Ltd | London | 2022 |
| Abide Accountancy Limited | London | 2018 |
| Abideen Engineering Ltd | London | 2020 |
| Abidele Limited | Bexleyheath | 2004 |
| Abidemi Oyeteju Ltd | Northampton | 2019 |
| Abideth Food Ltd | Nottingham | 2022 |
| Abidin & Co. Ltd | Hornchurch | 2020 |
| Abidin Associates Ltd | Hornchurch | 2020 |
| ABIDTECH1 Ltd | Aberdeen | 2021 |
| Abiel & Co Ltd | London | 2025 |