| Ace Forex Limited | Bradford | 2019 |
| Ace Fuelcards Ltd | Swindon | 2006 |
| Ace FX Limited | London | 2008 |
| Ace Holdings 2026 Limited | Stoke-On-Trent | 2026 |
| Ace Holdings Midlands Limited | Sutton Coldfield | 2025 |
| Ace Hydraulics Holdings Ltd | Sittingbourne | 2020 |
| Ace Industries Ltd | Ilford | 2026 |
| Ace Insurance Services Group Limited | Redditch | 2016 |
| Ace Investment Properties Ltd | Canary Wharf | 2021 |
| Ace James Property Limited | London | 2022 |
| Ace Member Limited | London | 2020 |
| Ace Millward Limited | Rugby | 2018 |
| Ace Money Transfer Limited | Manchester | 2002 |
| Ace Mortgage Finder Limited | London | 2017 |
| Ace Mortgages Limited | Sheffield | 2021 |
| Ace Partitions & Ceilings (Holdings) Limited | Rotherham | 2017 |
| Ace Properties (Holdings) Ltd | Leicester | 2024 |
| Ace Scaffolding Assets Limited | Croydon | 2017 |
| Ace Storage Limited | Winchester | 2025 |
| Ace UK Bidco Limited | London | 2023 |
| Ace UK Topco Limited | London | 2023 |
| Ace Union Limited | Manchester | 2015 |
| Ace'Valor Limited | London | 2024 |
| ACE1 Properties Ltd | Woking | 2023 |
| Aceart Services Ltd | London | 2025 |
| Aced Global Solutions Group Ltd | London | 2018 |
| Aceday Holdings Ltd | Birmingham | 2021 |
| Aceday Property Investments Ltd | Birmingham | 2021 |
| Acedra Limited | London | 2025 |
| Acee Holdings Ltd | Leeds | 2026 |
| Aceficone | Chesterfield | 2019 |
| Aceington Services Limited | Nottingham | 2012 |
| Acelera Capita Limited | Saffron Walden | 2026 |
| Acelle Ltd | Oldham | 2020 |
| Acello Group Limited | London | 2023 |
| Acemore Finance Limited | Radford Semele | 2019 |
| Acenden Limited | Birmingham | 2005 |
| Acentrix Ltd | Wakefield | 2022 |
| Aceon Holdings Limited | Telford | 2018 |
| Aceov Digital Systems Ltd | London | 2025 |
| Acepropertyexperts Ltd | London | 2025 |
| Acer Consultancy Services Ltd | London | 2014 |
| Acer Family Office Limited | Edinburgh | 2019 |
| Acer Growth Partners Limited | Huddersfield | 2018 |
| Acer Holdings and Investments Ltd | Dudley | 2024 |
| Acer Holdings Group Limited | Southampton | 2020 |
| Acer House Investments Limited | Nottingham | 2019 |
| Acer Investments 2025 Limited | Exeter | 2025 |
| Acer K9 Ltd | Manchester | 2025 |
| Acer Mortgage Solutions Ltd | Bury St. Edmunds | 2024 |
| Acer Plant and Grab Hire Holdings Limited | Crewe | 2023 |
| Acer Property Edinburgh Limited | Edinburgh | 2019 |
| Acer Property Holdings Limited | Brockworth | 2026 |
| Acer Services Limited | Westerham | 2019 |
| Acero Group Holdings Limited | Manchester | 2025 |
| Acero Holdings Ltd | Broxburn | 2020 |
| Acers Holdings Ltd | Bideford | 2025 |
| Aces Electrical Holdings Ltd | London | 2022 |
| Aces International Holdings Limited | London | 2025 |
| Acescore Limited | Harrow | 2024 |
| Acess Ventures Limited | Colchester | 2026 |
| Acestone Limited | Wilmslow | 2019 |
| Aceto UK Holding Limited | London | 2020 |
| Acetop Financial Limited | London | 2016 |
| Acetravelbonding Limited | Caterham | 2016 |
| Acey Holdings Ltd | Colchester | 2018 |
| ACF Acquisitions 11 Limited | Lincoln | 2016 |
| ACF Advisory Limited | Burton Waters | 2025 |
| ACF Group Holdings Limited | Corby | 2024 |
| ACF Mortgages Limited | Worksop | 2016 |
| Acfc Holdings Ltd | Marlow | 2025 |
| Acfg Holdings Limited | Holmfirth | 2021 |
| ACG Advisors Group (UK) Limited | London | 2024 |
| ACG Bidco Limited | London | 2018 |
| ACG Capital Limited | London | 2020 |
| ACG Holdco 1 PLC | London | 2023 |
| ACG Holdco 2 Limited | London | 2023 |
| ACG Markets Ltd | Harpenden | 2022 |
| ACG Midco Limited | London | 2018 |
| ACG Mortgage Solutions Ltd | Chilcompton | 2022 |
| ACG Payments Limited | Harpenden | 2026 |
| ACG Topco Ltd | North Shields | 2024 |
| Acgas Holdings Ltd | Mexborough | 2025 |
| Acgf Holdings Limited | Bristol | 2023 |
| Acgjhe Limited | Coalville | 2025 |
| Acgk Investments Ltd | London | 2018 |
| ACH 2025 Holdings Limited | Bolton | 2025 |
| ACH Holdings Ltd | London | 2016 |
| ACH Investments Worcester Limited | Worcester | 2022 |
| ACH Land Limited | Waltham Cross | 2022 |
| ACH Management Holdings Limited | Southend On Sea | 2016 |
| ACH Marketing Limited | Manchester | 2016 |
| ACH79 Limited | Preston | 2023 |
| Achak Limited | Kettering | 2019 |
| Achakili Group Limited | Harlow | 2026 |
| Achara Holdings Ltd | Weston-Super-Mare | 2025 |
| Achates Holdings Limited | High Wycombe | 1992 |
| Achatina Limited | London | 2021 |
| Achel Group Ltd | Manchester | 2021 |
| Achelois Group Ltd | Telford | 2020 |