| Ace Employment Limited | Walsall | 2021 |
| Ace Enforcement Services Ltd | Romford | 2024 |
| Ace Enterprise MCR Limited | Stockport | 2024 |
| Ace Entertainment Films UK Limited | London | 2013 |
| Ace Entertainment Hire Ltd | Chulmleigh | 2022 |
| Ace Escorts Limited | Manchester | 2025 |
| Ace Event Management Ltd | | 2006 |
| Ace Event Partners Ltd | Wokingham | 2025 |
| Ace Expo Ltd | Morden | 2022 |
| Ace Fencing Services (SW) Ltd | Plymouth | 2023 |
| Ace Financial Management Ltd | Chislehurst | 2016 |
| Ace Fire & Security Systems Ltd | Bedford | 1996 |
| Ace Fitter Services Ltd | Harrow | 2024 |
| Ace Flights Ltd | Coventry | 2022 |
| Ace Flush Facilities Limited | Petersfield | 2015 |
| Ace FM Ltd | London | 2024 |
| Ace FM Solutions Ltd | Birmingham | 2025 |
| Ace Funding Ltd | Bromley | 2026 |
| Ace Fundraising Ltd | Guildford | 2023 |
| Ace Garden Maintenence Ltd | West Malling | 2015 |
| Ace Garden Services (SW) Ltd | Torquay | 2013 |
| Ace Garden Transformations Ltd | Derby | 2026 |
| Ace GB Holdings Limited | Wellingborough | 2017 |
| Ace GB Investments Limited | Wellingborough | 2017 |
| Ace Glass Company (Chelmsford) Ltd | Chelmsford | 2011 |
| Ace Global Suppliers Ltd | Cardiff | 2021 |
| Ace Global Trading Limited | Norwich | 2014 |
| Ace Golf Tours Ltd | Southampton | 2019 |
| Ace Golf& Co. Ltd | London | 2026 |
| Ace Grading Limited | Worthing | 2021 |
| Ace Group Holdings Ltd | Basildon | 2024 |
| Ace Group Services Ltd | Maldon | 2011 |
| Ace Gutter Services Ltd | Bedford | 2023 |
| Ace Healthcare Recruitment Ltd | Stevenage | 2024 |
| Ace HH Services Ltd | St. Leonards-On-Sea | 2021 |
| Ace Hire Recruits Ltd | Birmingham | 2023 |
| Ace Holiday Limited | London | 2012 |
| Ace Holidays Spain Ltd | Calne | 2022 |
| Ace Hose and Hydraulics Ltd | Hitchin | 2012 |
| Ace Industrial Cleaning Limited | Falkirk | 2022 |
| Ace Industrial Utilities Limited | Longridge | 2004 |
| Ace Inflatables Limited | Eastbourne | 2021 |
| Ace Innovation Limited | Worksop | 2012 |
| Ace Investment Consulting Ltd | Reading | 2016 |
| Ace JM Ltd | Manchester | 2025 |
| Ace Landscaping Glasgow Ltd | Glasgow | 2026 |
| Ace Landscaping Limited | Aberdare | 1987 |
| Ace Liberty & Stone PLC | London | 2007 |
| Ace Lifting Limited | St Albans | 2006 |
| Ace Line Plant Limited | Rugeley | 1997 |
| Ace Linen and Laundry Services Limited | Llandrindod Wells | 2025 |
| Ace Link Solutions Ltd | Milton Keynes | 2010 |
| Ace London Limited | Tring | 2017 |
| Ace Lounge Bar and Restaurant Ltd | London | 2020 |
| Ace Maintenance Ltd | London | 2020 |
| Ace Management and Services Limited | London | 2017 |
| Ace Management Consultants Limited | Rayleigh | 2016 |
| Ace Managing Group Ltd | London | 2023 |
| Ace Manpower Limited | Aberdeen | 2007 |
| Ace Mgmt Svcs Ltd | Dartford | 2024 |
| Ace Mgmt UK Ltd | London | 2023 |
| Ace Mini Skips Limited | Northamptonshire | 1985 |
| Ace Money Limited | Manchester | 2017 |
| Ace Motor Vehicles Ltd | London | 2020 |
| Ace Nights OUT Limited | Walsall | 2025 |
| Ace of Face Aesthetics Ltd | Stanmore | 2020 |
| Ace of Herts Event Management Ltd | Hitchin | 2019 |
| Ace of Maids Limited | Ellington | 2024 |
| Ace of Spade Garden Services Ltd | Glasgow | 2022 |
| Ace of Spades Contractors Ltd | Gosport | 1999 |
| Ace of Spades Garden Maintenance Ltd | Dunbar | 2021 |
| Ace of Spades Gardening Limited | Manchester | 2017 |
| Ace of Spades Gardens of Gloucestershire Ltd | Stroud | 2024 |
| Ace of Spades Landscape & Maintenance Ltd | Farnham | 2017 |
| Ace of Spades Landscapes Ltd | Haverhill | 2013 |
| Ace of Spades Limited | Bath | 2002 |
| Ace of Trees Ltd | Stevenage | 2020 |
| Ace Outreach Ltd | London | 2018 |
| Ace PA Limited | Manchester | 2003 |
| Ace Packaging Limited | Seaton Carew | 2019 |
| Ace Packing Ltd | London | 2023 |
| Ace Parade Rally Limited | Stratford-Upon-Avon | 2014 |
| Ace Parfums Limited | Ilford | 2014 |
| Ace Partners International Limited | Manchester | 2020 |
| Ace Paving (Suffolk) Limited | Woodbridge | 2007 |
| Ace Payroll Limited | Pinner | 2019 |
| Ace PCO Rentals Ltd | Watford | 2024 |
| Ace Personnel Limited | Bootle | 2015 |
| Ace Personnel Solutions Ltd | Clitheroe | 2020 |
| Ace Point Travel Limited | Maidstone | 2005 |
| Ace Point Ventures Nominees Limited | London | 2021 |
| Ace Poker Nights Ltd | Twickenham | 2019 |
| Ace Pools Ltd | Cambridge | 2016 |
| Ace Pro Plus Limited | London | 2017 |
| Ace Pro Recruitment Ltd | Chichester | 2024 |
| Ace Pro Security Services Ltd | Wellingborough | 2025 |
| Ace Pro Services Ltd | London | 2015 |
| Ace Property and Landscape Services Ltd | Bracknell | 2025 |
| Ace Property Investments (London) Limited | London | 2001 |
| Ace Property Services (London) Limited | London | 2016 |