| Abiotic Ltd | Oxford | 2013 |
| Abip Limited | Birmingham | 2008 |
| Abiq Limited | Northwich | 2026 |
| Abira Consulting Services Ltd | Reading | 2011 |
| Abira Engineering Services Private Limited | Coventry | 2025 |
| Abis Engineering Ltd | Luton | 2026 |
| Abishel Accounting Ltd | Chatham | 2021 |
| Abisko Limited | London | 2024 |
| Abisko Ventures Limited | Tunbridge Wells | 2026 |
| Abisol Consultants Ltd | Greenham | 2010 |
| Abisola Fagbiye Ltd | London | 2026 |
| Abita Limited | Stonehouse | 1997 |
| Abitaff Limited | Romford | 2019 |
| Abitare Ltd | Tunbridge Wells | 2025 |
| Abitare Management Limited | London | 2016 |
| Abitat Limited | London | 2016 |
| Abitba Ltd | London | 2018 |
| Abitec Limited | London | 2022 |
| Abitus Engineering Solutions Ltd. | Telford | 2016 |
| Abitus Limited | Telford | 2023 |
| Abitus Precision Technologies Limited | Telford | 2026 |
| Abiulah Consultants Limited | | 2007 |
| Abiva Limited | London | 2010 |
| Abiz London Ltd | London | 2017 |
| ABJ (Assisted by Jehovah) Limited | Bolton | 2016 |
| ABJ Accountants Ltd | London | 2011 |
| ABJ Offshore Services Limited | Middlesbrough | 2019 |
| Abjel Communications Ltd | London | 2017 |
| Abjsj Consulting Ltd | Kent | 2018 |
| Abjv Limited | London | 2011 |
| ABK Accountancy & Tax Ltd. | London | 2013 |
| ABK Accountancy Limited | Peterborough | 2013 |
| ABK Accounting Services Limited | Cardiff | 2015 |
| ABK Building Consultancy Ltd | Haywards Heath | 2010 |
| ABK Consulting Ltd | London | 2026 |
| ABK LDN Limited | Sheffield | 2015 |
| ABK Precision Engineering Ltd | London | 2014 |
| ABK Process Limited | Altrincham | 2022 |
| ABK Solicitors Limited | Greenford | 2018 |
| ABK Tax Consultancy Ltd. | London | 2021 |
| Abkedo Consulting Limited | Sutton | 2013 |
| ABL (Holding) Limited | Buckinghamshire | 1982 |
| ABL (North East) Ltd | Bradford | 2015 |
| ABL (South West) Ltd | Otley | 2018 |
| ABL 1 Touch Management Services Limited | Reigate | 2020 |
| ABL Aberdeen Limited | London | 2008 |
| ABL Accident Repair Group Limited | Reigate | 2005 |
| ABL Accounts Ltd. | London | 2016 |
| ABL Advisory Ltd | Tonbridge | 2017 |
| ABL Business Ltd | Otley | 2013 |
| ABL Care Group Limited | Coulsdon | 2022 |
| ABL Central Finance Limited | Reigate | 2005 |
| ABL Consultants Ltd | Horsham | 2018 |
| ABL Design and Build Ltd | Dunstable | 2020 |
| ABL Energy & Marine Consultants Limited | London | 1979 |
| ABL Fashion Advisory Limited | London | 2025 |
| ABL Group Scotland Limited | Aberdeen | 2019 |
| ABL Innovations Ltd | Kettering | 2023 |
| ABL Inspection Ltd | Houghton-Le-Spring | 2013 |
| ABL International Enterprises Ltd | Herne Bay | 2021 |
| ABL Logistics Limited | Sheerness | 2012 |
| ABL London Limited | London | 1991 |
| ABL Partnership Ltd | Hounslow | 2025 |
| ABL Planning & Development Limited | Northwich | 2020 |
| ABL Resources Ltd | Durham | 2002 |
| ABL Software Development Ltd | Hemel Hempstead | 2019 |
| ABL Technical Services UK Limited | London | 2018 |
| ABL Water Ltd | Glasgow | 2016 |
| ABL123 Limited | Chatham | 2015 |
| ABL3 Architects Limited | London | 2002 |
| Abla Evjeg Consultants Limited | Attleborough | 2023 |
| Abladora Limited | Market Harborough | 1969 |
| Ablatus Therapeutics Limited | Leeds | 2015 |
| Ablaze Advisory Limited | London | 2025 |
| Ablaze Media Limited | Stowmarket | 2002 |
| Ablb Management Company Limited | Shipley | 2019 |
| Abld Engineering Limited | Workington | 2023 |
| Able & Young International Ltd | Croydon | 2020 |
| Able & Young Limited | Croydon | 2006 |
| Able Accountancy Limited | Hemel Hempstead | 2013 |
| Able Accountancy Services Ltd | Bristol | 2020 |
| Able Accounting Services Limited | Hertfordshire | 1992 |
| Able Acoustics Limited | Ashford | 2015 |
| Able Agency Limited | Newcastle Upon Tyne | 2025 |
| Able AI Ltd | Bolton | 2025 |
| Able Alarm Engineer (UK) Ltd | Heywood | 2018 |
| Able and Baker (G.B.) Ltd | Caterham | 2025 |
| Able and Baker Ltd | Maidenhead | 2020 |
| Able and Creative Ltd | Barnsley | 2019 |
| Able and Ward Limited | Huddersfield | 2016 |
| Able Associates Limited | Glasgow | 2011 |
| Able Body Company Ltd | Ripley | 2017 |
| Able Building Components (1984) Limited | Sheffield | 1984 |
| Able Calibration Services Ltd | Newport | 2006 |
| Able Commercial Finance Limited | Newcastle Under Lyme | 2016 |
| Able Consulting Services Limited | Cardiff | 1996 |
| Able Consulting Solutions Limited | Bristol | 2017 |
| Able Control Solutions Limited | Sidcup | 2016 |
| Able Creative Ltd | Warrington | 2016 |
| Able Data Services Ltd | Kent | 2001 |