| ACK Lane Estates Limited | Manchester | 2007 |
| ACK London Properties Ltd | London | 2024 |
| ACK Properties (NW) Ltd | Sale | 2024 |
| ACK Properties Limited | Uxbridge | 2011 |
| ACK Property Investments Ltd | London | 2026 |
| ACK Sales and Lettings Ltd | Nuneaton | 2023 |
| ACK York Ltd | York | 2023 |
| Acka Limited | Weybridge | 2015 |
| Acka Properties Ltd | Hornchurch | 2016 |
| Ackc Property Limited | Newcastle Upon Tyne | 2019 |
| Ackee Housing Project Ltd | London | 2003 |
| Ackerley Investments Limited | Leicestershire | 2000 |
| Ackermann&Company Ltd | London | 2017 |
| Ackers Holdings Ltd | Cardiff | 2016 |
| Ackers Properties Limited | Chorley | 2020 |
| Ackers Property Ltd | Borehamwood | 2020 |
| Ackers Property Management Ltd | Manchester | 2026 |
| Ackholm Holdings Limited | London | 2018 |
| Ackl Investments Ltd | Johnstone | 2025 |
| Acklam Developments Ltd | London | 2017 |
| Acklam Estates Ltd | Middlesbrough | 2024 |
| Acklam Hall Estates Limited | Richmond | 2015 |
| Acklam Investments Limited | London | 2018 |
| Acklam Orpington Limited | Haslemere | 2019 |
| Acklam Park (the Oval) Management Company Limited | Newcastle Upon Tyne | 2006 |
| Acklam Properties Ltd | Middlesbrough | 2025 |
| Acklams Properties Limited | Beverley | 2007 |
| Ackland Properties Limited | Caterham On The Hill | 2006 |
| Acklane Investments Ltd. | Burnham On Crouch | 1995 |
| Ackleywood Ltd | Chigwell | 2020 |
| Ackme Properties Limited | Esher | 2016 |
| Ackmz Investments Ltd | Barnet | 2023 |
| Ackner Amber Limited | Chester | 2020 |
| Acknowledge Building Services Limited | Solihull | 2017 |
| Ackolade Limited | Ilkeston | 2020 |
| Ackprop Ltd | Kingsbridge | 2023 |
| Ackrack Pencil Limited | Northampton | 1994 |
| Ackroyd Group Properties Ltd | Nottingham | 2025 |
| Ackroyd Investments Ltd | Enfield | 2025 |
| Ackroyd Properties Ltd | Stockton-On-Tees | 2021 |
| Ackroyd Property Group Ltd | Doncaster | 2025 |
| Ackroyd Property Investments (Aldgate) Ltd | London | 2017 |
| Ackroyd Street Management Company Limited | Leeds | 2006 |
| Acksam Limited | Herts | 1985 |
| Acksha Ltd | Pinner | 2022 |
| Acksys Properties Limited | Bradford | 2002 |
| Ackton Pastures(Castleford) Management Company Limited | York | 2015 |
| Ackworth Property Investments Limited | London | 2022 |
| Ackworth Road Management Limited | Portsmouth | 1995 |
| Ackworth School Estates Limited | West Yorkshire | 1946 |
| ACL Acquisitions Ltd | Bury St. Edmunds | 2023 |
| ACL Astute 2022 Limited | Bristol | 2002 |
| ACL COM Property Limited | Mansfield | 2026 |
| ACL East Limited | Dundee | 2016 |
| ACL Holdings Group Limited | Watford | 2024 |
| ACL Homes Ltd | Fareham | 2019 |
| ACL Investments Limited | Kensington | 2017 |
| ACL Prestige Properties Ltd | Perth | 2025 |
| ACL Properties Limited | Barking | 2000 |
| ACL Property Advisory Ltd | London | 2026 |
| ACL Property Design Ltd | London | 2025 |
| ACL Property Development Ltd | Romford | 2016 |
| ACL Property Holdings Ltd | Fareham | 2021 |
| ACL Property Investment Ltd | London | 2018 |
| ACL Property Limited | Somerset | 2015 |
| ACL Property Maintenance (NE) Ltd | Gateshead | 2023 |
| ACL Property North Limited | Warrington | 2025 |
| ACL Ventures Limited | Dartford | 2017 |
| Acland and Lensam Limited | London | 2001 |
| Acland Bracewell Limited | Chorley | 1987 |
| Acland Bracewell Management Limited | Preston | 1979 |
| Acland Bracewell Surveyors Limited | Preston | 1997 |
| Acland Court Management Company Limited | Colchester | 1973 |
| Acland Homes Ltd | Stockton-On-Tees | 2018 |
| Acland Management Company Ltd | Hartlepool | 2020 |
| Aclara Estates Limited | Walsall | 2023 |
| Aclax Developments Ltd | Bristol | 2023 |
| Aclc Property Ltd | London | 2024 |
| Acleaseproperty Ltd | London | 2025 |
| Aclet Property Management & Services Limited | Bishop Auckland | 1999 |
| Acleus Properties Limited | Stratford-Upon-Avon | 2025 |
| Aclo Assets DF Ltd | Manchester | 2025 |
| Aclo Assets KS Limited | Manchester | 2026 |
| Aclo Assets Ltd | Manchester | 2022 |
| Aclo Assets MH Ltd | Manchester | 2025 |
| Aclx Ltd | London | 2024 |
| ACM & Partiners Ltd | Welwyn Garden City | 2025 |
| ACM (UK Branch) Limited | London | 2019 |
| ACM Bricklehurst Limited | Richmond | 2023 |
| ACM Burgess Limited | Richmond | 2023 |
| ACM Capital Ltd | Edinburgh | 2024 |
| ACM Estate Management Limited | Holmfirth | 2017 |
| ACM Holdings Ltd | Hawick | 2023 |
| ACM Home Solutions Limited | Glasgow | 2025 |
| ACM Letting Ltd | Aberdeen | 2014 |
| ACM Meridian Property Ltd | London | 2026 |
| ACM Piccadilly Ltd | London | 2022 |
| ACM Portfolios Ltd | Durham | 2022 |
| ACM Properties Limited | Bedford | 2003 |
| ACM Property (Midlands) Ltd | Nuneaton | 2022 |