| Andrew Voller Lighting Design Limited | Milton Keynes | 2010 |
| Andrew VOS Limited | Newquay | 2011 |
| Andrew Wade Design Ltd | Wellingborough | 2016 |
| Andrew Wall Mechanical Services Limited | Wakefield | 2016 |
| Andrew Wardlaw Project Solutions Ltd | Woodbridge | 2018 |
| Andrew Waring Limited | London | 2009 |
| Andrew Warren Ltd | London | 2009 |
| Andrew Wayland Consulting Ltd | Yateley | 2012 |
| Andrew Weekes Photography Ltd | Lincoln | 2012 |
| Andrew Whelan Services Limited | Swindon | 2015 |
| Andrew Woffinden Limited | London | 2010 |
| Andrew Wright Research Limited | Southampton | 2013 |
| Andrew Yates Software Ltd | Tewkesbury | 2014 |
| Andrew Young Technology Ltd | Reading | 2005 |
| ANDREW1972INT Ltd | Spalding | 2023 |
| Andrewb Software Development Limited | Swansea | 2024 |
| Andrewbas Music Ltd | Cambridge | 2022 |
| Andrewenny Consulting Ltd | Ashton-Under-Lyne | 2015 |
| Andrewi Ltd | Malvern | 2006 |
| Andrewits Ltd | Bury | 2019 |
| Andrews & Arnold Ltd | Bracknell | 1997 |
| Andrews Action Limited | Reading | 2020 |
| Andrews and Ford Limited | Ross-On-Wye | 2016 |
| Andrews Computer Services Limited | Hemel Hempstead | 1986 |
| Andrews Enablement Ltd | Nottingham | 2024 |
| Andrews Foundry Ltd | London | 2026 |
| Andrews UK Limited | Luton | 2000 |
| Andrewsoft Limited | Epsom | 2021 |
| Andrewson Consultants Limited | Watford | 2014 |
| Andrewstaylor.Com Ltd | Whitley Bay | 2023 |
| Andrewwhittleanimation Limited | London | 2019 |
| Andreya Triana Touring Limited | Potters Bar | 2018 |
| Andries Walter Ltd | Cranleigh | 2020 |
| Andrioli Holdings Limited | London | 2025 |
| Andrison Consulting Ltd | London | 2013 |
| Andrius Consulting Limited | Camberley | 2025 |
| Andro IT Limited | Norwich | 2025 |
| Androgenica Ltd | London | 2024 |
| Android Dreams Ltd | Sutton Coldfield | 2015 |
| Android Retail Limited | Preston | 2010 |
| Android-De Ltd | Swindon | 2021 |
| Androids Ltd | London | 2024 |
| Androix Ltd | London | 2023 |
| Andrologist Ltd | Morden | 2025 |
| Andromache Limited | Rochdale | 2016 |
| Andromeda 22 Ltd | Cardiff | 2025 |
| Andromeda Agencies Ltd | London | 2021 |
| Andromeda AI Ltd | Kingston Upon Thames | 2025 |
| Andromeda Apps Limited | Coulsdon | 2024 |
| Andromeda Commerce Ltd | Birmingham | 2018 |
| Andromeda Consultancy Limited | Cambridge | 1998 |
| Andromeda Films Ltd | London | 2026 |
| Andromeda Health U.K. Ltd | Luton | 2023 |
| Andromeda Investigates International Ltd | Worksop | 2013 |
| Andromeda IT Consultancy Ltd | Northampton | 2015 |
| Andromeda IT Services Limited | Middlesex | 2005 |
| Andromeda Music Ltd | London | 2026 |
| Andromeda Publishing and Academic Services Ltd | London | 2019 |
| Andromeda Services UK Ltd | Northampton | 2017 |
| Andromeda Software Ltd | London | 2025 |
| Andromeda Solutions Ltd | Middlesbrough | 2013 |
| Andromeda Tech Solutions Ltd | Stevenage | 2021 |
| Andromeda Technologies Limited | Sutton | 2023 |
| Andromeda-Sim Ltd | Leicester | 2024 |
| Andromedata Ltd | Swindon | 2024 |
| Andromedia IT Limited | London | 2011 |
| Andromo Ltd | Grays | 2018 |
| Andronicus Consulting Limited | Stalybridge | 2008 |
| Andsc. Ltd | London | 2023 |
| Andsco Ltd | Olney | 2017 |
| Andstem Consulting Ltd | London | 2025 |
| Andsum Limited | Hungerford | 2001 |
| Andsware Limited | Oxfordshire | 2005 |
| Andthentwo Ltd | Epsom | 2026 |
| Andthereitis Ltd | London | 2026 |
| Andu Consulting Limited | London | 2023 |
| Andu D Ltd | Antrim | 2023 |
| Anduin Finance UK Ltd | London | 2026 |
| Anduin Transactions UK Ltd | London | 2023 |
| Anduma Consult Limited | Wallington | 2019 |
| Anduma Intelligence Group Ltd | Kingston Upon Thames | 2026 |
| Anduma Productions Ltd | Londonderry | 2018 |
| Anduril Limited | Brentwood | 2015 |
| Anduril Software 400 Limited | Rugby | 1998 |
| Andviceversa Limited | London | 2011 |
| Andweb Ltd | London | 2026 |
| Andwhy Studios Ltd | Bury St. Edmunds | 2023 |
| Andwill UK Ltd | Brighton | 2018 |
| Andxen Consultancy Services Limited | London | 2007 |
| Andy and the Band Limited | Sale | 2019 |
| Andy Animates Ltd | Teddington | 2017 |
| Andy Baker Studio Limited | London | 2016 |
| Andy Barrington Ltd | Dorset | 2005 |
| Andy Baxter R Training and Consultancy Ltd | Glasgow | 2022 |
| Andy Bell Music Ltd | Sheffield | 2016 |
| Andy Bever Limited | Cardigan | 2014 |
| Andy Braddock Limited | Blackpool | 2007 |
| Andy Bradfield Limited | London | 2002 |
| Andy Bratt Associates Limited | Glossop | 2024 |
| Andy Briggs Limited | Burgess Hill | 2023 |