| Acorn Lodge Care Limited | Coasham | 2010 |
| Acorn of London Limited | London | 2008 |
| Acorn Outdoors Ltd | Henley On Thames | 2026 |
| Acorn Parks Limited | Weston-Super-Mare | 2001 |
| Acorn Prevention Control Solution Limited | Bury St. Edmunds | 2014 |
| Acorn Progression Properties CIC | Stoke-On-Trent | 2019 |
| Acorn Properties & Developments Ltd | Swansea | 2025 |
| Acorn PUB Company Ltd | Southam | 2021 |
| Acorn PUB Management Services Limited | London | 1980 |
| Acorn Public House Limited | Hornchurch | 2025 |
| Acorn Supported Living C.I.C. | Birmingham | 2018 |
| Acorn Trade Partners Limited | Redditch | 2016 |
| Acorn Village (Trading) Limited | Manningtree | 1994 |
| Acornair Limited | London | 1992 |
| Acorns Bakery Limited | Caerphilly | 2002 |
| Acorns Coffee and Cake Ltd | Bordon | 2020 |
| Acorns Coffee Shop Ltd | Hinckley | 2023 |
| Acorns Guest House Limited | Bristol | 2013 |
| Acorns Lodge Hotel Limited | Harrow | 2004 |
| Acoustic Brasserie Ltd | London | 2025 |
| Acoustic Cafe (Scotland) Limited | Falkirk | 2015 |
| Acoustic Cafe Limited | London | 2024 |
| Acoustic Rainhill Limited | Prescot | 2022 |
| Acoustic Room Coffee Ltd | London | 2024 |
| ACOUSTIC1 Holdings Limited | Llandeilo | 2015 |
| ACOUSTICA54 Ltd | Newport | 2023 |
| ACP Catering Limited | Frinton-On-Sea | 2023 |
| ACP UK PVT Limited | Edinburgh | 2018 |
| Acpc Promotions Ltd | Ellesmere Port | 2025 |
| Acps Ventures Ltd | Watford | 2022 |
| ACQ Investments Ltd | London | 2021 |
| ACQ Multi Services Ltd | London | 2017 |
| Acqua Beach Limited | Weymouth | 2022 |
| Acqua E Farina Pizzeria Ltd | London | 2022 |
| ACQUA7 Ltd | London | 2016 |
| Acquella Cuisine Ltd | Salford | 2025 |
| Acquest Ltd | Stockport | 2016 |
| Acquest Properties Limited | Telford | 2008 |
| Acquire Hospitality (UK) Private Limited | London | 2025 |
| Acquire INT Limited | London | 2014 |
| Acquisition 12248684 Ltd | Birmingham | 2019 |
| ACR KB Ltd | Pinner | 2025 |
| ACR Leisure Limited | Fakenham | 2003 |
| ACR Paisa Limited | Milton Keynes | 2025 |
| ACR Pubs Ltd | London | 2015 |
| Acre 1 Limited | Maidstone | 2023 |
| Acre 2 Limited | Maidstone | 2023 |
| Acre City Limited | Harrow | 2016 |
| Acre Company UK Limited | Battle | 1995 |
| Acre Farm Park Limited | Stourbridge | 1979 |
| Acre Housing | Reading | 1992 |
| Acre Shepherd's Huts Limited | Brighton | 2025 |
| Acre Street Properties Ltd | Liverpool | 2022 |
| Acrebind Limited | Workington | 1987 |
| Acreditus (UK) Limited | Hailsham | 2015 |
| Acrejay Limited | Kingsbridge | 1984 |
| Acren Catering Services Limited | Halesowen | 2022 |
| Acres Nook Limited | Stoke On Trent | 2012 |
| Acres of Glamping Limited | Little Eaton | 2023 |
| Acres Touring Ltd | Chester | 2024 |
| Acrm Catering Limited | Hayes | 2025 |
| Acropolis (Weston) Ltd | Weston Super Mare | 2024 |
| Acropolis Catering Limited | Chesterfield | 2021 |
| Acropolis Greek Gyros Ltd | Colchester | 2024 |
| Acropolis Jesmond Ltd | Newcastle Upon Tyne | 2021 |
| Acropolis LEO Ltd | London | 2023 |
| Acropolis Limited | Sheffield | 2018 |
| Acropolis Mediterranean Restaurant Limited | Leeds | 2020 |
| Acropolis One Ltd | Newcastle Upon Tyne | 2021 |
| Acropolis Restaurant Ltd | Liverpool | 2018 |
| Acropolis SN Ltd | Newcastle Upon Tyne | 2020 |
| Acropolis Street Food (BTR) Limited | Newcastle Upon Tyne | 2019 |
| Acropolis Street Food (Grainger Market) Limited | Newcastle Upon Tyne | 2019 |
| Acropolis Street Food (Quayside) Limited | Newcastle Upon Tyne | 2017 |
| Acropolis Street Food (Stack S) Ltd | Seaburn | 2019 |
| Acropolis Street Food (Tynemouth) Limited | Newcastle Upon Tyne | 2019 |
| Acropolis Toon Ltd | Newcastle Upon Tyne | 2025 |
| Acropolis VYF Ltd | Newcastle Upon Tyne | 2022 |
| ACROPOLIS01 Ltd | Birkenhead | 2025 |
| Acropolisuk Ltd | Newcastle Upon Tyne | 2020 |
| Acros KR Limited | Exeter | 2025 |
| Across Rainbows Productions Limited | Brighton | 2022 |
| Acrs Properties Limited | Knaresborough | 2024 |
| Acrum Leisure Ltd | Bishop Auckland | 2023 |
| Acrz Limited | Southampton | 2026 |
| ACS Bonsall Limited | Matlock | 2025 |
| ACS Brewing Limited | Matlock | 2023 |
| ACS Church Inn Limited | Matlock | 2025 |
| ACS Engineering Limited | Aberdeenshire | 2007 |
| ACS Enterprise Ltd | Chesterfield | 2023 |
| ACS Events Limited | Enniskillen | 2024 |
| ACS Hospitality and Leisure Limited | Market Harborough | 2026 |
| ACS Hospitality Ltd | Ashby-De-La-Zouch | 2023 |
| ACS Inns Ltd | Canterbury | 2025 |
| ACS Plus CIC | London | 2020 |
| Acsc Services Limited | Ansty | 2020 |
| Acsf Limited | Oban | 2021 |
| Acsion Ltd | London | 2017 |
| Acsj Limited | Olney | 2008 |
| Acsk Limited | Hounslow | 2023 |