| Ace and Hammer Limited | Sutton | 2019 |
| Ace Appliances Limited | Birmingham | 2017 |
| Ace Aquatec Limited | Dundee | 2007 |
| Ace Aquatec Solutions Ltd | Dundee | 2015 |
| Ace Architectural Products Limited | Coventry | 2009 |
| Ace Audio Visual Limited | London | 2026 |
| Ace Auto Works Ltd | St. Neots | 2014 |
| Ace Automation Limited | Stoke-On-Trent | 2020 |
| Ace Aviation Ltd | Newport | 2024 |
| Ace Bakehouse Ltd. | Canterbury | 2026 |
| Ace Balustrades Limited | Shropshire | 2015 |
| Ace Bicycles Ltd | Guildford | 2016 |
| Ace Binding Company Limited | Birmingham | 2008 |
| Ace Blinds Limited | Widnes | 2022 |
| Ace Car Clinic Ltd | Woking | 2019 |
| Ace Carpentry & Joinery Contractors Limited | Nuneaton | 2000 |
| Ace Carpet Edging Limited | Dunmow | 2001 |
| Ace Case Limited | Barnoldswick | 1974 |
| Ace Catering Equipment Limited | Bristol | 2012 |
| Ace Cells LAB Limited | Stoke-On-Trent | 2017 |
| Ace Chem Limited | London | 2023 |
| Ace Clothing (Leicester) Ltd | Leicester | 2024 |
| Ace Coconut Charcoal Limited | Luton | 2023 |
| Ace Cold Ltd | Maidenhead | 2023 |
| Ace Composites Limited | Skelmersdale | 2014 |
| Ace Concrete Ltd | Birmingham | 2020 |
| Ace Construction Enterprises (Leicester) Limited | Leicester | 2004 |
| Ace Contract Furniture Limited | Corby | 2023 |
| Ace Contracting Solutions Ltd | Peterborough | 2024 |
| Ace Contracts (London) Limited | Billericay | 2000 |
| Ace Creative Labs Ltd | Leicester | 2024 |
| Ace Custom Coatings Limited | Dundee | 2026 |
| Ace Cutters (London) Limited | Orpington | 1993 |
| Ace Design and Print Limited | Stockport | 2016 |
| Ace Direct Ltd | Rochdale | 2012 |
| Ace Displays Limited | Pulborough | 2006 |
| Ace Dntl Laboratory Ltd | Leeds | 2023 |
| Ace Dream Beds Ltd | Batley | 2026 |
| Ace Electro-Plating Company Limited | | 1986 |
| Ace Elevators (Northern) Limited | Keighley | 2017 |
| Ace Elevators Limited | Harrogate | 2009 |
| Ace Engineering Ltd | Birmingham | 2024 |
| Ace Engineering Works Limited | Hounslow | 2025 |
| Ace Event Catering Ltd | King'S Lynn | 2023 |
| Ace Fabrications (IE) Ltd | Co Tyrone | 2004 |
| Ace Fabrications (WM) Ltd | Dudley | 2017 |
| Ace Fabrications Ltd. | Glasgow | 2002 |
| Ace Fabricatons & Installations Ltd | Sheffield | 2026 |
| Ace Fabricators Limited | Billericay | 2004 |
| Ace Fabs Ltd | Liverpool | 2019 |
| Ace Fashionwear Ltd | Leicester | 2020 |
| Ace Fertilizer Co., Ltd | West Midlands, England | 2023 |
| Ace Fibreglass (Sherborne) Limited | Sherborne | 2011 |
| Ace Filtration Limited | Gravesend | 1983 |
| Ace Finish Ltd | Huntingdon | 2009 |
| Ace Fire Alarms & Security Limited | Plymouth | 1995 |
| Ace Fire Limited | Norwich | 1999 |
| Ace Fire Services Ltd | Warrington | 2020 |
| Ace Fleet Maintenance Ltd | Bedford | 2015 |
| Ace Foam Limited | Priorslee | 2016 |
| Ace Forming Limited | Wolverhampton | 2003 |
| Ace Gems Limited | Bradford | 2025 |
| Ace General Engineering (Cornwall) Ltd | Cornwall | 1993 |
| Ace Gezelligheid Limited | Stafford, | 2020 |
| Ace Glass & Mirrors Limited | Poole | 2007 |
| Ace Global Dyeing Ltd | Hamilton | 2026 |
| Ace Global Printing Ltd | Hamilton | 2026 |
| Ace Green Recycling UK Ltd | Chichester | 2022 |
| Ace Hydraulics Ltd | Sittingbourne | 2011 |
| Ace Installers Ltd | Plymouth | 2010 |
| Ace Interactive Limited | Andover | 1995 |
| Ace Ironworks Ltd | Norwich | 2018 |
| Ace Jewellers Group Limited | London | 2026 |
| Ace Joinery (N.E.) Limited | Gateshead | 2003 |
| Ace Joinery Holdings Limited | Wallsend | 2013 |
| Ace K Metal Ltd | Hull | 2025 |
| Ace King Clothing Limited | Warton | 2018 |
| Ace Kitchens and Bedrooms Ltd | Birmingham | 2019 |
| Ace Lifts Ltd | Deeside | 1985 |
| Ace Lolly Limited | Chester | 2014 |
| Ace Machinery Limited | Poole | 2024 |
| Ace Machines Limited | Nottingham | 2018 |
| Ace Marine Engineering Ltd | Uxbridge | 2025 |
| Ace Marine Services & Solutions Ltd | Southampton | 2010 |
| Ace Metal Supplies Limited | Norwich | 2020 |
| Ace Metalfabs Limited | Newport | 2022 |
| Ace Metalworx Limited | Pontefract | 2020 |
| Ace Mobile Detailing Limited | Southampton | 2021 |
| Ace Mobility (SW) Ltd | Plymouth | 2017 |
| Ace Mold UK Ltd | Gateshead | 2010 |
| Ace of Cookies Ltd | Manchester | 2022 |
| Ace of Herts Ltd | Hitchin | 2010 |
| Ace of Spray Ltd | Sutton-In-Ashfield | 2013 |
| Ace of Trading Hub Ltd | London | 2021 |
| Ace Orthotics Limited | Cardiff | 2000 |
| Ace Partitioning Systems Limited | Bishop'S Stortford | 2021 |
| Ace Performance Cars Limited | Newport | 2011 |
| Ace Polishing Services Limited | Rochdale | 2007 |
| Ace Print Services (Stockport) Limited | Stockport | 2022 |
| Ace Processors Limited | Hampshire | 2005 |