| Actis Properties and Lettings Ltd | Hornchurch | 2025 |
| Actis Properties Ltd. | Edinburgh | 1998 |
| Actium Financial Advice Ltd | Coldstream | 2018 |
| Actium Properties Limited | Walsall | 2000 |
| Activ 1 Limited | Oldham | 2018 |
| Activ 117 Ltd | Spalding | 2023 |
| Activ 118 Ltd | Spalding | 2023 |
| Activ 161 Ltd | Spalding | 2023 |
| Activ Commercial Ltd | Spalding | 2004 |
| Activ Estates Limited | Spalding | 2018 |
| Activ Investments Limited | Hitchin | 2016 |
| Activ Real Estate Solutions Limited | Twickenham | 2023 |
| ACTIV8 Property Management Ltd | Bristol | 2020 |
| Activa Properties Limited | Louth | 1998 |
| Activate Property Group Ltd | Aberdare | 2025 |
| Activated Assets Ltd | London | 2026 |
| Activation Ventures Ltd | Chatham | 2026 |
| Active Acquisition Limited | Cheadle | 2022 |
| Active and Ready Ltd | Croydon | 2026 |
| Active Apartments Limited | Liverpool | 2019 |
| Active Asset Property Management Ltd | Preston | 2024 |
| Active Assets Management Company Limited | Edinburgh | 2016 |
| Active Business Services Limited | Tuxford | 1996 |
| Active Care Housing Limited | Doncaster | 2020 |
| Active Change Limited | | 2006 |
| Active Circle Ltd | Thetford | 2024 |
| Active Development Services Ltd | London | 2016 |
| Active Developments (NW) Limited | Accrington | 2022 |
| Active Edge Leadership Limited | Woking | 2016 |
| Active EPC Limited | Derby | 2023 |
| Active Estate MCR Ltd | Salford | 2017 |
| Active Estates Limited | Luton | 2014 |
| Active Fintech Limited | Hitchin | 2012 |
| Active Handling Properties Limited | Kidderminster | 2018 |
| Active Investments (Kent) Ltd | Orpington | 2021 |
| Active Investments UK Ltd | Fareham | 2015 |
| Active Lettings Ltd | Thornton-Cleveleys | 2020 |
| Active Marketing A.T Ltd | Hendon | 2024 |
| Active Muslim Nation Ltd | Lincoln | 2025 |
| Active Nights Ltd | Ilford | 2024 |
| Active Pharmacare Properties Limited | Salford | 2018 |
| Active Properties (Leeds) Limited | Leeds | 2014 |
| Active Properties Limited | Edinburgh | 2006 |
| Active Properties Management Ltd | London | 2021 |
| Active Property Agents Ltd | Birmingham | 2006 |
| Active Property Deal Direct Limited | Chichester | 2015 |
| Active Property Developments Limited | Scarborough | 2017 |
| Active Property Group Ltd | Salford | 2018 |
| Active Property Holdings Limited | Solihull | 2025 |
| Active Property Invest Ltd | Reading | 2025 |
| Active Property Limited | Ashford | 2017 |
| Active Property Management (APM) Ltd | Portsmouth | 2025 |
| Active Property Management Ltd | Bristol | 2025 |
| Active Property Solutions (Wales) Limited | Swansea | 2014 |
| Active Propertyscape Ltd | Cupar | 2025 |
| Active Residence Limited | Wembley | 2025 |
| Active Residential North East Ltd | Wallsend | 2015 |
| Active Services Group Ltd | Manchester | 2022 |
| Active Supported Housing Ltd | London | 2018 |
| Active Trader Properties Limited | Gravesend | 2020 |
| Active Tulz Real Estate Ltd | Livingston | 2024 |
| Active UK Properties Ltd | Birmingham | 2020 |
| Active Wellness Clinic Ltd | Eastbourne | 2025 |
| Active World Ltd | Middlesbrough | 2025 |
| ACTIVE8 Studio Limited | Oswestry | 2020 |
| Activedash Limited | South Norwood | 1988 |
| Activemark Properties Ltd | Manchester | 2023 |
| Activeozone Properties Limited | Wellingborough | 2021 |
| Activewheel UK Limited | Leeds | 2025 |
| Activia Associates Ltd | Wakefield | 1999 |
| Activideas Limited | Aylesbury | 2002 |
| Actiview Limited | London | 2016 |
| Activities 4 ALL Limited | Woodbridge | 2004 |
| Activity Play Limited | Bath | 1971 |
| Activity Sports Hub Holdings Ltd | Liverpool | 2026 |
| Activity Warehouse Limited | Wellington | 2023 |
| Activo Real Estate Limited | Birmingham | 2020 |
| Activon Property Management Limited | Irvine | 2022 |
| Actl Ltd | | 2005 |
| Acto Properties Limited | Weston-Super-Mare | 2025 |
| Acto Property Limited | Stockport | 2025 |
| Acton 54 Ltd | London | 2022 |
| Acton Associates Limited | Hindhead | 2011 |
| Acton Bridge Land Ltd | Nantwich | 2026 |
| Acton City Homes Ltd | London | 2024 |
| Acton Court Ltd | Lichfield | 2004 |
| Acton Court Management Company Limited | Stourport-On-Severn | 1991 |
| Acton Court Properties Ltd | Heaton Mersey | 2010 |
| Acton Engineering and Management Ltd | Watford | 2018 |
| Acton Gate Developments Ltd | London | 2025 |
| Acton Gate Enterprises Limited | Stafford | 2009 |
| Acton Group Estates Ltd | Stafford | 2026 |
| Acton Grove Limited | London | 2006 |
| Acton House Limited | Weybridge | 1994 |
| Acton Investments Ltd | London | 2018 |
| Acton Lane 377 Limited | Isleworth | 2008 |
| Acton Lane Investments Limited | London | 2014 |
| Acton Lane Ltd. | London | 2024 |
| Acton Lang Ltd | Selkirk | 2021 |
| Acton Management Ltd | London | 2016 |