| Acton Mews Management Company Limited | London | 1990 |
| Acton Moat Limited | Stafford | 2019 |
| Acton Multi Services Ltd | Houghton Le Spring | 2010 |
| Acton Park Properties Ltd | London | 2025 |
| Acton Place Ltd | Chorley | 2026 |
| Acton Place Properties Limited | Halstead | 2013 |
| Acton Properties (Coventry) Limited | Coventry | 2017 |
| Acton Property Holdings Limited | London | 2018 |
| Acton Property Ltd | London | 2015 |
| Acton Real Estate Ltd | London | 2025 |
| Acton Roscommon Axis Limited | Middlesex | 2001 |
| Acton Securities Limited | London | 2024 |
| Acton Signature Properties Ltd | Stockport | 2024 |
| Acton Town Garage Ltd | London | 1975 |
| Acton Vale Properties Ltd | Harrow | 2026 |
| Acton Wells Limited | London | 1977 |
| Acton West Properties Limited | London | 2026 |
| Acton-Scott Property Solutions Ltd | Wallasey | 2025 |
| Actonland Limited | London | 2025 |
| Actonview Ltd | Manchester | 2019 |
| Actoris Clubland Limited | Cardiff | 2010 |
| Actoris Developments Limited | Cardiff | 2008 |
| Actors House Property Ltd | Wallington | 2023 |
| Actos Limited | London | 2020 |
| Actp Construction Limited | Exeter | 2020 |
| Actprop Ltd | Loughborough | 2025 |
| Actrium UK Limited | London | 2021 |
| Acts 432 Ltd | Edinburgh | 2023 |
| Acts of Love Investment Limited | Rugby | 2023 |
| Acts SIX Ltd | Rainham | 2023 |
| Acts Venture Ltd | Chester | 2017 |
| Actual Developments Limited | West Yorkshire | 2006 |
| Actual Homes Ltd | Birmingham | 2025 |
| Actual Housing Limited | Manchester | 2023 |
| Actual Property Management Limited | Epping | 2013 |
| Actual Realty Ltd | Slough | 2023 |
| Actualfact Limited | Watford | 1999 |
| Actually Group Limited | Preston | 2021 |
| Actually Marketing Limited | Gloucester | 2017 |
| Actually Property Group Limited | Preston | 2013 |
| Actualwork Limited | Colchester | 1992 |
| Actuaria Holdings Ltd | Purley | 2019 |
| Actuary Limited | Barnet | 2013 |
| Actus Group Ltd | London | 2018 |
| Actus Properties Limited | Leamington Spa | 2018 |
| Actus Property Ltd | London | 2019 |
| Actvale Limited | London | 2011 |
| Actwin Limited | London | 2018 |
| Actworth Limited | Enfield | 1970 |
| ACU Stays Ltd | London | 2025 |
| Acuherbs (UK) Ltd | London | 2008 |
| Acuitus Limited | London | 2009 |
| Acuity Applied Property Limited | London | 2025 |
| Acuity Assets Limited | Purley | 2011 |
| Acuity Equity Ltd | London | 2026 |
| Acuity H Ltd | Woodford Green | 2022 |
| Acuity Invest Limited | Horsham | 2020 |
| Acuity Property Ltd | London | 2019 |
| Acuity Sales & Valuations Limited | Cardiff Bay | 2022 |
| ACUITY4PROPERTY Ltd | London | 2024 |
| Acuk Property Limited | Brentwood | 2024 |
| Acula Investments Limited | London | 2021 |
| Aculeate Limited | Larne | 1992 |
| Acuma Properties Ltd | Mountain Ash | 2019 |
| Acumen 11 Limited | Reading | 2020 |
| Acumen Asset Solutions Limited | Dullatur | 2023 |
| Acumen Bay Investments Limited | London | 2024 |
| Acumen Business Development Ltd | Northampton | 2012 |
| Acumen Business Finances Limited | London | 2020 |
| Acumen Consultancy Solutions Ltd | Worcester | 2017 |
| Acumen Developments Limited | Belfast | 1997 |
| Acumen E-Business Limited | Macclesfield | 2007 |
| Acumen Energy Consulting Limited | Banchory | 2014 |
| Acumen Enterprise Ltd | Hassocks | 2024 |
| Acumen Essex Ltd | Southend-On-Sea | 2024 |
| Acumen Estates Ltd | Liverpool | 2006 |
| Acumen Group Property Limited | Barking | 2024 |
| Acumen Holdings Limited | Derby | 2009 |
| Acumen Homes Ltd | Reading | 2016 |
| Acumen Horizon Ltd | Stoke On Trent | 2025 |
| Acumen Insight and Services UK Ltd | London | 2025 |
| Acumen Investment Management Limited | London | 2003 |
| Acumen Lettings & Property Management Ltd | Liverpool | 2010 |
| Acumen Lloyds Wharf Ltd | Essex | 2024 |
| Acumen New Homes Limited | Ilford | 2022 |
| Acumen Properties Limited | London | 2017 |
| Acumen Property Management Ltd | Abingdon | 2021 |
| Acumen Real Estate Ltd | Essex | 2022 |
| Acumen Realty Group Limited | Ilford | 2016 |
| Acumen Sea Ltd | Ilford | 2025 |
| Acumen UK Solutions Ltd | Ilford | 2016 |
| Acumenfm Ltd | London | 2015 |
| Acumenpro Ltd | Dundee | 2012 |
| Acuminous Eagle Property Investment Limited | London | 2023 |
| Acumist Property Limited | Windlesham | 2014 |
| Acura Construction Limited | Edgware | 2015 |
| Acura Prop Ltd | Leicester | 2017 |
| Acura Properties Ltd | Colchester | 2018 |
| Acurra Investments Limited | Palmers Green | 2015 |
| Acuta Investments Ltd | London | 2021 |