| Activeclo Group Ltd | Chelmsford | 2025 |
| Activeclobberuk Ltd | Glasgow | 2026 |
| Activedeluxewear Limited | Consett | 2025 |
| Activedocs UK Limited | London | 2014 |
| Activefactor Limited | Swansea | 1991 |
| Activefituk Ltd | South Shields | 2025 |
| Activelabs -UK Limited | London | 2026 |
| Activeline Ltd | Glasgow | 2022 |
| Activeline Retail Ltd | Edinburgh | 2025 |
| Activelynx Ltd | Cheshire | 2003 |
| Activemark Ltd | Manchester | 2020 |
| Activemist Ltd | London | 2026 |
| Activepowr UK Ltd | Slough | 2015 |
| Activepraise Limited | Newcastle Upon Tyne | 1992 |
| Activer Ltd | Stevenage | 2012 |
| Activesell Ltd | London | 2026 |
| Activeship Ltd | London | 2024 |
| Activestyles Ltd | Bognor Regis | 2026 |
| Activesupp Ltd | Dundee | 2023 |
| Activetraveller Limited | Newbury | 2000 |
| Activetrendz Retail Ltd | Stoke-On-Trent | 2025 |
| Activewear Group Ltd | Bromsgrove | 2018 |
| Activewearhub Limited | Middlesbrough | 2024 |
| Activeweartrade Limited | Poole | 2023 |
| Activex Limited | Kington | 2025 |
| Activexsport Ltd | Caernarfon | 2025 |
| Activia Enterprises Limited | Uxbridge | 2008 |
| Activiccii Ltd | Southampton | 2026 |
| Activicon Ltd | London | 2019 |
| Activinstinct Ltd | Bury | 2002 |
| Activion Ltd | London | 2020 |
| Activities for Kidz Ltd | Solihull | 2020 |
| Activities to Share Ltd | Exeter | 2010 |
| Activity Breaks Ltd | Blackpool | 2025 |
| Activity Toys Direct Limited | Ingleton | 2000 |
| Activity Ventures Ltd | Cardiff | 2024 |
| Activity Workwear Limited | New Malden | 1989 |
| Activive UK Ltd | Wigan | 2025 |
| Activizeuk Ltd | Sevenoaks | 2024 |
| Activkey Systems Ltd | Tamworth | 2025 |
| Activlux Ltd | Halifax | 2025 |
| Activmed Ltd | London | 2018 |
| Activspan Ltd | Cullompton | 2023 |
| Activwearlgb Ltd | Caerphilly | 2018 |
| Activ£ Limited | Addlestone | 2025 |
| Actjack Limited | | 1984 |
| Actko Lifestyle Ltd | Thames Ditton | 2023 |
| Actlikemillioner Ltd | London | 2025 |
| Actman and Mico Limited | Liverpool | 1992 |
| Actomed Ltd | Grantham | 2019 |
| Acton & Lloyds Limited | Smethwick | 2020 |
| Acton Aroma Limited | Hove | 2019 |
| Acton Auto Maintenance Ltd | Bristol | 2021 |
| Acton Bright Steel Limited | Wednesbury | 1963 |
| Acton Car Care Ltd | London | 2012 |
| Acton Car Care Repairs Ltd | London | 2025 |
| Acton Clinton Inc Ltd | London | 2019 |
| Acton Coachworks SP Ltd | London | 2018 |
| Acton Coachworks Sports & Prestige Ltd | Watford | 2020 |
| Acton Coachworks Sports Parts Ltd | Waltham Abbey | 2021 |
| Acton Coachworks(Sports Cars) Ltd | London | 2016 |
| Acton Commercial Factors Limited | Stanmore | 1983 |
| Acton Construction Limited | | 1988 |
| Acton Food Centre Ltd | London | 2019 |
| Acton Gate Audio Limited | Wrexham | 2000 |
| Acton General Store Limited | London | 2024 |
| Acton Glass Limited | London | 2009 |
| Acton Green Ironmongers & Security Ltd | London | 2008 |
| Acton Greenery Limited | London | 2018 |
| Acton Jets Ltd | London | 2017 |
| Acton Lane Food & Wine Ltd | Chiswick | 2018 |
| Acton Local Limited | London | 2018 |
| Acton Meat Supplies Ltd | Ilford | 2018 |
| Acton Oriental Stores (UK ) Ltd | Acton | 2025 |
| Acton Service Centre Limited | Harrow | 2012 |
| Acton Shop Ltd | London | 2025 |
| Acton Smartfix Ltd | London | 2026 |
| Acton Specsavers Limited | Fareham | 2016 |
| Acton Supplies Limited | Nottingham | 1996 |
| Acton Taylor Management Ltd | Hull | 2022 |
| Acton Timber & Builders Merchants Ltd | London | 2010 |
| Acton Timber Yard Limited | Nottingham | 2013 |
| Acton Vehicle Estimates Limited | Colchester | 2025 |
| Acton's Motor Company Limited | Littlehampton | 2009 |
| Actpb Holdings Ltd | London | 2020 |
| Actradinggoods Ltd | Harrow | 2023 |
| Actradingni Ltd | Belfast | 2025 |
| Actreg (U.K.) Limited | Kettering | 1990 |
| Actrio Commerce Ltd | London | 2025 |
| Actron Global Limited | Manchester | 2025 |
| Actronics Limited | Colchester | 2009 |
| Actros for Trading Ltd | Manchester | 2025 |
| Acts Unseen Ltd | Durham | 2021 |
| Actseum International Limited | Huddersfield | 2016 |
| Actseum Limited | Huddersfield | 2006 |
| Actt Enterprises Limited | London | 2026 |
| Acttron Limited | Hemel Hempstead | 1995 |
| Actu Basic Limited | London | 2025 |
| ACTU8 Ltd | Bradford | 2024 |
| Actua International Limited | London | 2005 |