| Adrian Zajac Ltd | London | 2016 |
| Adrianet Course Ltd | Canterbury | 2025 |
| Adriangold Limited | London | 2019 |
| Adrianne Langley Ltd | Kington | 2024 |
| Adriark Ltd | London | 2026 |
| Adriason IT Solutions Ltd | Sheffield | 2018 |
| Adriaus Limited | Edinburgh | 2012 |
| Adriaus Technology Services Ltd | Edinburgh | 2018 |
| Adriax Labs Ltd | Ashford | 2026 |
| Adrich Limited | London | 2006 |
| Adrien Denat Ltd | London | 2017 |
| Adrien Kulig Ltd | London | 2014 |
| Adrienalin Limited | Kidwelly | 2026 |
| Adrienn Rozner Productions Ltd | Bournemouth | 2025 |
| Adrift Group Ltd | Bury St. Edmunds | 2022 |
| Adrift Media Limited | London | 2018 |
| Adrigole Limited | Northampton | 2007 |
| Adrika Trading Ltd | Peterborough | 2023 |
| Adrioke Limited | London | 2026 |
| Adrionix Ltd | London | 2025 |
| Adriot Partners Limited | Ballynure | 2020 |
| Adrizai Ltd | London | 2025 |
| Adrize Ltd | Newcastle Upon Tyne | 2022 |
| Adro IT Service Consultants Ltd | Sandhurst Berkshire | 2024 |
| Adrocket Limited | London | 2023 |
| Adrocor Limited | Blackpool | 2014 |
| Adroid Connectz UK Ltd | London | 2025 |
| Adroit & Associates Limited | Ilminster | 2009 |
| Adroit AI Labs Ltd | Hornchurch | 2025 |
| Adroit Array Ltd | London | 2020 |
| Adroit Business Consulting Ltd | Harrow | 2011 |
| Adroit Business Solutions Ltd | Staines-Upon-Thames | 2014 |
| Adroit Cloud Consulting Limited | Ashford | 2020 |
| Adroit Consulting Limited | London | 2002 |
| Adroit Data and Insight Ltd | Cirencester | 2019 |
| Adroit DI Ltd | London | 2020 |
| Adroit Global Ltd | Stanmore | 2004 |
| Adroit Itech Limited | Whitehills Business Park | 2018 |
| Adroit Logic Ltd | Hemel Hempstead | 2015 |
| Adroit Logistics Ltd | London | 2019 |
| Adroit People Ltd | Harrow | 2007 |
| Adroit Professional Limited | London | 2017 |
| Adroit Projects Ltd | London | 2017 |
| Adroit Soft Limited | Northampton | 2017 |
| Adroit Software Ltd | Romford | 2010 |
| Adroit Tech Services Limited | Ilford | 2024 |
| Adroit Tech Solutions Limited | Chiswick Business Park | 2015 |
| Adroit Technologies Limited | Nantwich | 1997 |
| Adroitive Ltd | Luton | 2017 |
| Adroitsols Nexus Limited | Manchester | 2023 |
| Adroitx Limited | London | 2018 |
| Adrologic UK Ltd | London | 2025 |
| Adrosonic UK Limited | London | 2017 |
| Adrovert Limited | London | 2025 |
| Adrtech Limited | Staines-Upon-Thames | 2015 |
| Adru Design Limited | Leamington Spa | 2014 |
| Adrunis Limited | Sutton | 2013 |
| Adryn Ltd | London | 2026 |
| ADS and Jojo Limited | Milton Keynes | 2015 |
| ADS Atom Ltd | Londonderry | 2025 |
| ADS Business Solutions Ltd | Borehamwood | 2016 |
| ADS Chain Ltd | London | 2022 |
| ADS Comms Ltd | London | 2015 |
| ADS Consultancy Services Private Limited | London | 2023 |
| ADS Digitally Ltd | London | 2025 |
| ADS Echo Media Ltd | Northampton | 2024 |
| ADS Elite Ltd | London | 2026 |
| ADS Engineering Informatics Limited | Coventry | 2018 |
| ADS Engineering Services Ltd | Torquay | 2023 |
| ADS Essex Ltd | Canvey Island | 2013 |
| ADS Events and Promotions Ltd | Brentwood | 2016 |
| ADS Global Digital Ltd | London | 2025 |
| ADS Group Media Limited | Farnborough | 2026 |
| ADS LAB Limited | Glasgow | 2019 |
| ADS Leads Ltd | London | 2024 |
| ADS Live Limited | London | 2023 |
| ADS Live Studios Ltd | Enfield | 2025 |
| ADS Media House Ltd | Cardiff | 2020 |
| ADS on Air Ltd | Brentwood | 2025 |
| ADS Projects Group Ltd | London | 2020 |
| ADS Publishing Ltd | Braintree | 2024 |
| ADS Savvy Ltd | Liverpool | 2018 |
| ADS Solutions Limited | Feltham | 2018 |
| ADS Technologies Limited | Solihull | 2016 |
| ADS Thinker Ltd | Leeds | 2016 |
| ADS Wave Creation Limited | Croydon | 2025 |
| Ads-Aztec Ltd | Nottingham | 2018 |
| Ads-Limathon Limited | Sheffield | 2000 |
| ADS2LIFE Digital Services Ltd | Bakewell | 2012 |
| ADS4AIR Limited | London | 2003 |
| Adsar Limited | Ipswich | 2009 |
| Adsarge Limited | London | 2025 |
| Adsaudit Ltd | London | 2023 |
| Adscan Computing Limited | Newcastle | 1990 |
| Adscraftai Ltd | London | 2025 |
| Adscribe Ltd | Portsmouth | 2023 |
| Adse Tech Limited | London | 2021 |
| Adsec Solutions Ltd | London | 2016 |
| Adsecurus Limited | Barking | 2013 |
| Adseenit Ltd | Watford | 2018 |