| Actis Advice Procurement Limited | London | 2013 |
| Actis Carry Pool GP (Scotland) Limited | Edinburgh | 2007 |
| Actis China GP Limited | | 2003 |
| Actis Emerging Markets GP Limited | | 2007 |
| Actis Executive GP Limited | Midlothian | 2004 |
| Actis New GP Co Limited | London | 2011 |
| Actis Nominee Limited | | 2004 |
| Actis Recruitment Limited | Sale | 2003 |
| Actis UK Advisers Limited | London | 2013 |
| Actis Umbrella GP Limited | Edinburgh | 2005 |
| Actis US GP Limited | London | 2023 |
| Actitrac Software Limited | Witham | 2008 |
| Actitrans UK Ltd | Birmingham | 2026 |
| Activ Cameras Ltd | Stoke-On-Trent | 2022 |
| Activ Cleaning Ltd | Glasgow | 2025 |
| Activ Consulting Group Limited | Halifax | 2011 |
| Activ Group Ltd | Manchester | 2021 |
| Activ PM Limited | Cardiff | 2018 |
| Activ Property Management Limited | Peterborough | 2009 |
| Activ Staffing and Support Limited | Peterborough | 2012 |
| Activ Storage Limited | Wolverhampton | 2005 |
| ACTIV8 Digital Limited | Rickmansworth | 2015 |
| ACTIV8 Protection Ltd | Liverpool | 2025 |
| ACTIV8 Recruitment Ltd | Portsmouth | 2014 |
| Activas Managed Solutions Limited | London | 2012 |
| Activate Branding Ltd | London | 2021 |
| Activate Business Solutions Ltd | Nottingham | 2005 |
| Activate Educate Ltd | Southend-On-Sea | 2026 |
| Activate Engagement Limited | Dundee | 2016 |
| Activate Event Management Ltd | Crawley | 2011 |
| Activate Fire and Security Ltd | Barnet | 2018 |
| Activate Global Limited | Coventry | 2026 |
| Activate Lead Generator Ltd | Northampton | 2016 |
| Activate Locate Ltd | Rossendale | 2022 |
| Activate Outdoors Limited | Emery Down Lyndhurst | 1996 |
| Activations Global Ltd | London | 2024 |
| Activator Methods International UK Limited | London | 2006 |
| Activator Opex Services Ltd | Bishops Wood | 2023 |
| Active (Pathways) Solutions Ltd | Leeds | 2023 |
| Active 4X4 Adventures Ltd | Cobham | 2024 |
| Active 8 Liverpool Limited | Liverpool | 2007 |
| Active a V Ltd | Preston | 2014 |
| Active Access Limited | Edinburgh | 2003 |
| Active Advisory Limited | Chesterfield | 2022 |
| Active Aerials Limited | South Molton | 2008 |
| Active Alarms Ltd | Birmingham | 2012 |
| Active Analysis Limited | Bristol | 2016 |
| Active Analytic Solutions Ltd | Thurmaston | 2017 |
| Active and Shine Cleaning Ltd | Manchester | 2025 |
| Active Angels Limited | Solihull | 2008 |
| Active Artists Academy Ltd | Blackpool | 2020 |
| Active Artists Agency Limited | Blackpool | 2017 |
| Active Audio Visual Installations Limited | Canterbury | 2005 |
| Active Away Limited | London | 2006 |
| Active BIZ Services Ltd | Leicester | 2020 |
| Active Builders Limited | Stockport | 2008 |
| Active Business Accountants Ltd | Dudley | 2008 |
| Active Business Consultancy Holdings Ltd | Stockton-On-Tees | 2025 |
| Active Business Consultancy Ltd | Stockton-On-Tees | 2021 |
| Active Business Learning Enterprise Limited | Fulwell | 1993 |
| Active Car Rental Ltd | Preston | 2019 |
| Active Care in the Home Limited | London | 2026 |
| Active Care Security Limited | Cardiff | 2024 |
| Active Careers Ltd | Liverpool | 2017 |
| Active Cars Ltd | Dewsbury | 2007 |
| Active Case Managers Limited | Bristol | 1999 |
| Active Childhood UK Limited | London | 2022 |
| Active Civil Engineering Limited | Ashford | 2009 |
| Active Claims Solutions Ltd | Ferndown | 2015 |
| Active Cleaners Ltd | London | 2020 |
| Active Cleaning & Maintenance (Midlands) Limited | Northampton | 2010 |
| Active Cleaning Agents Ltd | London | 2026 |
| Active Cleaning and Maintenance Limited | Accrington | 2002 |
| Active Cleaning Contractors Limited | Middlesex | 2003 |
| Active Cleaning Limited | Leeds | 2002 |
| Active Cleaning Services of Shropshire Limited | Wolverhampton | 2008 |
| Active Cleaning Solutions Limited | Leeds | 2002 |
| Active Comms Limited | Basildon | 2015 |
| Active Community Kent Limited | Sidcup | 2023 |
| Active Commuting Consulting Limited | Derby | 2017 |
| Active Construction Recruitment Ltd | Shipley | 2019 |
| Active Consultancy Limited | Esher | 1992 |
| Active Consulting Group Ltd | Ilford | 2020 |
| Active Contract Management Limited | Manchester | 2021 |
| Active Control Environmental Services Ltd | Lossiemouth | 2015 |
| Active Crane Hire Ltd | Coventry | 2015 |
| Active Defence and Protection Ltd | Caterham | 2024 |
| Active Design Studio Limited | Steeple Morden | 2009 |
| Active Direct Mail Limited | Upminster | 1998 |
| Active Domestics Limited | London | 2024 |
| Active Drainage Limited | Devon | 2003 |
| Active Driver Ltd | Wolverhampton | 2019 |
| Active Driveway & Patio Abingdon Limited | Abingdon | 2020 |
| Active Electric Ltd | Warrington | 2025 |
| Active Employment Limited | Bristol | 1999 |
| Active Energy Solutions Ltd. | Glasgow | 2002 |
| Active England Tours Ltd | Chipping Norton | 2008 |
| Active Environmental Services Limited | Dunstable | 1999 |
| Active Events Solutions Ltd | Scarborough | 2023 |
| Active Extract Cleaning Limited | Uxbridge | 2015 |