| Abrany Ltd | London | 2024 |
| Abrarconnect Ltd | Middlesbrough | 2025 |
| Abrata Tech Limited | London | 2013 |
| Abratax Limited | London | 2022 |
| Abraworks Limited | Bedfordshire | 2024 |
| Abraxas Business Consulting Limited | Newport | 2015 |
| Abraxas Software Limited | Bolton | 2017 |
| Abraxor Ltd | Brighton | 2006 |
| Abraxos Solutions Ltd | St Albans | 2026 |
| Abraxus Consultancy Services Limited | London | 1996 |
| Abreaba Technology Limited | Woking | 2000 |
| Abreez Ltd | London | 2020 |
| Abreng Solution Ltd | Liverpool | 2022 |
| Abrhaley Ltd | London | 2025 |
| Abridg Legal Ltd | London | 2026 |
| Abridge Systems Limited | Maldon | 2005 |
| Abridge Technologies Ltd | Sale | 2015 |
| Abridged Audio Limited | Bexleyheath | 2023 |
| Abriella Technologies Ltd | London | 2022 |
| Abril Learning & Technologies Ltd | Reading | 2025 |
| Abrl Limited | London | 2024 |
| Abrntvcs Solutions Ltd | London | 2019 |
| Abroad ARK Media Limited | Coventry | 2024 |
| Abroad Financial Technologies Ltd | London | 2024 |
| Abroad S a Limited | Ilford | 2023 |
| Abroad Trade Ltd | London | 2023 |
| Abroadbuddies Ltd | London | 2025 |
| Abros Computing Ltd | Braintree | 2006 |
| Abrupt Media Ltd | Morden | 2012 |
| Abruv Ltd | Kington | 2025 |
| ABS Automation Systems Limited | Reading | 2018 |
| ABS Computer Systems Ltd | Wimborne | 1991 |
| ABS Computing Ltd | London | 2024 |
| ABS Consultancy Limited | Watford | 2006 |
| ABS Consultants (Holdings) Limited | Ingatestone | 1995 |
| ABS IT Consulting Services Ltd | Slough | 2024 |
| ABS Nyark Ltd | London | 2023 |
| ABS Systems Ltd | Boston | 2023 |
| ABS Tech Ltd | Luton | 2024 |
| ABS Vintop Ltd | London | 2018 |
| Abs-Cbn Europe Limited | London | 2003 |
| Absap Consulting Ltd | Harrow | 2019 |
| Absarah UK Limited | Hounslow | 2023 |
| Absariq Ltd | Southampton | 2025 |
| Absaroka Consulting Limited | Witney | 2025 |
| Absbiz Ltd | London | 2026 |
| Abscio Ltd | Cambridge | 2026 |
| Abscrypt Ltd. | London | 2023 |
| Absencelink Ltd | Oxford | 2025 |
| Absent Friends Limited | Leigh-On-Sea | 2026 |
| Absently Ltd | London | 2017 |
| Abshire Consulting Limited | Watford | 2010 |
| Absintel Limited | Leicester | 2005 |
| Absinthe Enterprises Limited | Bristol | 2005 |
| Absinthe Film Entertainment Limited | Kington | 2019 |
| Absm Consultancy Group Ltd | Stockport | 2015 |
| Absm IT Services Limited | Dundee | 2026 |
| Absm Solutions Limited | Derby | 2013 |
| Absnt Technologies Ltd | Wimborne | 2026 |
| Absoftsol Limited | Northampton | 2018 |
| Absol AI Ltd | London | 2025 |
| Absolem Productions Limited | London | 2013 |
| Absolut Card Ltd | London | 2026 |
| Absolut-Lee Promotions Limited | London | 1997 |
| Absolute Nexa Limited | Bolton | 2002 |
| Absolute Accountancy Software Solutions (Aass) Limited | Waltham Abbey | 2022 |
| Absolute Accounting Software Ltd | Bicester | 2010 |
| Absolute Address Limited | | 1997 |
| Absolute Agile Ltd | Coventry | 2017 |
| Absolute Analytics Limited | Glasgow | 2024 |
| Absolute Appointments Limited | Westcliff-On-Sea | 1999 |
| Absolute BI Solutions Ltd. | Warrington | 2011 |
| Absolute Broadcast Limited | Leicester | 2012 |
| Absolute Business Computing Solutions Limited | North Yorkshire | 2001 |
| Absolute Certainty Limited | Surrey | 2001 |
| Absolute Chelsea Ltd | Amersham | 2020 |
| Absolute Cinema Ltd | London | 2025 |
| Absolute Circuits Ltd | Milton Keynes | 2020 |
| Absolute Client Satisfaction Services Ltd | London | 2020 |
| Absolute Collateral Ltd | London | 2019 |
| Absolute Concepts Limited | Cambridgeshire | 2003 |
| Absolute Consultants Limited | Blackpool | 2019 |
| Absolute CS Limited | London | 2024 |
| Absolute Data AI Limited | Harrow | 2025 |
| Absolute Data Consult Limited | London | 2023 |
| Absolute Data Limited | North Yorkshire | 2006 |
| Absolute Data Management Limited | Warrington | 2017 |
| Absolute Design Associates Limited | Newark | 1994 |
| Absolute Digital Limited | Reading | 2002 |
| Absolute Digital Media Limited | Benfleet | 2008 |
| Absolute Dynamics Limited | Reading | 2017 |
| Absolute Easy Ltd | London | 2023 |
| Absolute Edge Ltd | Eastbourne | 2007 |
| Absolute Edit Limited | Stockport | 2020 |
| Absolute Effects UK Limited | Northwood Hills | 2007 |
| Absolute EPM Limited | Spalding | 2011 |
| Absolute ERP Ltd | Norwich | 2014 |
| Absolute Film & TV Limited | London | 2020 |
| Absolute Financial Software Solutions (Afss) Limited | Waltham Abbey | 2008 |
| Absolute Focus Limited | Epsom | 2017 |