| Ability Software International Limited | Reigate | 2004 |
| Ability Software Ltd | Chichester | 2022 |
| ABILITY2CODE Limited | Birmingham | 2014 |
| Abilitynet | Leamington Spa | 1997 |
| Abilo Ltd | Epping | 2021 |
| Abilot Consulting Limited | Redhill | 2007 |
| Abily Consultancy Ltd | Warrington | 2024 |
| Abim Consultant & Investment Ltd | South Ockendon | 2023 |
| Abimo Limited | Edinburgh | 2026 |
| Abin Jose Ltd | Kettering | 2023 |
| Abinasoft Ltd | London | 2016 |
| Abiner Limited | Glasgow | 2012 |
| Abingdon Global Acquisitions Limited | London | 2025 |
| Abingdon Global Holdings Limited | London | 2025 |
| Abingdon IT Consultancy Ltd | Oxford | 2003 |
| Abingdon Software Group Limited | London | 2022 |
| Abinitio Consult Ltd | South Ockendon | 2018 |
| Abinitio Solutions Limited | London | 2019 |
| Abintou Ltd | London | 2015 |
| Abinwal Limited | Altrincham | 2021 |
| Abiola Crown Publishing House Ltd | Aberdeen | 2025 |
| Abiola Oduwusi Services Ltd | Leeds | 2022 |
| Abiola Studios Ltd | Bedford | 2025 |
| Abiona Limited | Gravesend | 2021 |
| Abiot Ltd | Birmingham | 2016 |
| Abiquo Europe Limited | London | 2013 |
| Abiquo Limited | London | 2009 |
| Abir Buy Sell Ltd | London | 2025 |
| Abisam Limited | Hounslow | 2014 |
| Abisixco Limited | London | 2020 |
| Abismmo UK Ltd | Belfast | 2026 |
| Abisolutely Salesforce Ltd | South Shields | 2024 |
| Abisti Ltd | Seaford | 2008 |
| Abit Limited | Sutton Coldfield | 2013 |
| Abit Services Limited | Rochester | 2021 |
| Abit Solutions Limited | Borehamwood | 2007 |
| Abitat Development Ltd | Mildenhall | 2025 |
| Abith Marketing Ltd | London | 2025 |
| Abitha Consulting Limited | Ruislip | 2018 |
| Abitia Consulting Ltd | Leicester | 2023 |
| Abitofcode Ltd | Stockport | 2007 |
| Abitsoft Ltd | London | 2023 |
| ABIX2000 Limited | Hove | 2008 |
| Abiztec Limited | Leatherhead | 2014 |
| Abi’S Int’L Ltd | Rochester | 2026 |
| Abjak Ltd | Liverpool | 2022 |
| Abjd Limited | Torquay | 2025 |
| Abjk Consultants Ltd | Romford | 2012 |
| ABK AI Limited | London | 2023 |
| ABK Consultancy Limited | Cardiff | 2018 |
| ABK Group Ltd | London | 2023 |
| ABK Intelligent Solutions Ltd | Bristol | 2019 |
| ABK IT Solutions PVT Ltd | Slough | 2023 |
| ABK Software Limited | London | 2025 |
| ABK Sols Ltd | Leicester | 2025 |
| ABK Tech Ltd | London | 2015 |
| ABK12 Ltd | London | 2023 |
| Abkco Music International Limited | Stoke Bruerne | 2015 |
| Abkco Music Limited | Stoke Bruerne | 1960 |
| Abkco Records Limited | Stoke Bruerne | 2007 |
| ABL Change Ltd | Swansea | 2023 |
| ABL Circuits Limited | Bedford | 2001 |
| ABL Comms Ltd | Rotherham | 2020 |
| ABL Consulting Limited | Bromyard | 2012 |
| ABL IT Limited | Altrincham | 2022 |
| ABL Professional Services Ltd | Stirlingshire | 2010 |
| ABL Software Ltd | Portsmouth | 2012 |
| ABL Technology Ltd | London | 2024 |
| ABL UK Limited | Harrow | 1992 |
| Abladia Ltd | London | 2018 |
| Ablaj Productions Ltd | London | 2024 |
| Ablan Publishing Company Limited | London | 1975 |
| Ablative Consulting Ltd | Berkeley | 2023 |
| Ablaude UK Limited | London | 2019 |
| Ablayze Ltd | London | 2018 |
| Able 4 Ventures Ltd | London | 2015 |
| Able AI Agent Ltd | Reigate | 2025 |
| Able AI Strategy Ltd | Wembley | 2026 |
| Able Data Holdings Limited | Kings Langley | 2008 |
| Able Digital Ltd | London | 2020 |
| Able Green Thing Ltd | Motherwell | 2026 |
| Able ICT Limited | Crowborough | 2008 |
| Able Internet Limited | Barnet | 2020 |
| Able Internet Payroll Ltd | London | 2003 |
| Able IT Consultants Ltd | Flintshire | 2007 |
| Able Magazine Solutions Ltd | Glasgow | 2024 |
| Able Media Ltd | London | 2013 |
| Able Media Productions Ltd | London | 2024 |
| Able Office Limited | London | 2003 |
| Able Payroll Limited | London | 2003 |
| Able Secure Ltd | Cambridge | 2022 |
| Able Skills Limited | Dartford | 2005 |
| Able Solutions (UK) Limited | Fareham | 2000 |
| Able Technologies Limited | Inverurie | 1999 |
| Able Technology Ltd | London | 2023 |
| Able to Cable Limited | Essex | 1990 |
| Able Training Ltd. | Birmingham | 2000 |
| Able Web Services Ltd | London | 2018 |
| ABLE2BOOK Ltd | London | 2025 |
| ABLE2FLY Limited | Whitley Bay | 2012 |