| AC Shopfitting Ltd | Leicester | 2020 |
| AC Sports & Performance Automotive Ltd | London | 2026 |
| AC Sprayers Limited | London | 2021 |
| AC Sterling Ltd | London | 2026 |
| AC Superstore Ltd | Wallasey | 2026 |
| AC Tasarim UK Ltd | London | 2025 |
| AC Timber Solutions Limited | Ely | 2009 |
| AC Toyz Ltd | Corby | 2020 |
| AC Trade & Service Supply Ltd | Sheffield | 2023 |
| AC Trade Supplies Limited | Huddersfield | 2023 |
| AC Traders Ltd | West Drayton | 2026 |
| AC Tradeuk Ltd | Kingston Upon Hull | 2021 |
| AC Trading Group PVT Ltd | Barrow-In-Furness | 2026 |
| AC Trading Limited | Croydon | 2023 |
| AC Trading NW Ltd | St Helens | 2023 |
| AC Tuning NFK Ltd | Norwich | 2026 |
| AC Turbos Ltd | Skelmersdale | 2020 |
| AC Valve Alliance Group Holdings Limited | Coalville | 2024 |
| AC Vape Ltd | Manchester | 2020 |
| AC Vehicle Maintenance Ltd | Glasgow | 2026 |
| AC Warehouse Trading Limited | Bicester | 2012 |
| AC Wholesale Ltd | Roslea | 2023 |
| AC Wholesale Services Limited | Milton Keynes | 2017 |
| AC YSZ Hzza Ltd | Liverpool | 2017 |
| Ac&Ak Ltd | Hayes | 2025 |
| Ac&Co Group Limited | Leeds | 2025 |
| Ac&E Telecommunications Limited | London | 2018 |
| Ac&R Limited | Stoke-On-Trent | 2024 |
| Ac&S Cosmetics Ltd | Telford | 2025 |
| Ac's Beauty Store Limited | Coatbridge | 2022 |
| Ac's Fresh Fish Supplies Limited | Grimsby | 2002 |
| Ac-Hub Limited | Hayes | 2019 |
| AC1 Contracts Limited | Edinburgh | 2019 |
| AC10 Ltd | Luton | 2020 |
| AC13 Ltd | Nottingham | 2024 |
| AC13 Nottingham Ltd | Nottingham | 2023 |
| AC13 Premier Ltd | Nottingham | 2009 |
| AC13 VIP Limited | Nottingham | 2023 |
| AC2 Business Solutions Ltd | Bridgend | 2026 |
| AC3 Motors Limited | Birmingham | 2025 |
| AC3 of Diamonds Ltd | London | 2025 |
| AC3 Pharm Ltd | Hebburn | 2025 |
| AC3 Services Ltd | London | 2025 |
| AC41 Limited | London | 2025 |
| AC6 Labs Ltd | London | 2026 |
| AC8 Cars Ltd | Coventry | 2024 |
| ACA Aggregates Ltd | Rochdale | 2025 |
| ACA Digital Ltd | London | 2023 |
| ACA Flooring Ltd | Dundee | 2025 |
| ACA Glasgow Ltd | Glasgow | 2025 |
| ACA House Limited | Wood Green | 2023 |
| ACA Industries Ltd | Broadstairs | 2026 |
| ACA Lifestyle Ltd | Stratford-Upon-Avon | 2025 |
| ACA Retail Limited | Ottery St. Mary | 2013 |
| ACA Spirit Limited | Nottingham | 2018 |
| ACA Technology Ltd | London | 2025 |
| ACA World Ltd | Poole | 2022 |
| Acacia & K Limited | London | 2017 |
| Acacia (Charnwood) Limited | Shepsed | 2015 |
| Acacia Aerospace Limited | London | 2024 |
| Acacia Atelier Ltd | London | 2025 |
| Acacia Bay Ltd | Orpington | 2017 |
| Acacia Commerce Ltd | Marlow | 2023 |
| Acacia Distributors Limited | Forest Row | 1991 |
| Acacia Energy Group Ltd. | Westbury | 2017 |
| Acacia Florist Ltd | Northwich | 2019 |
| Acacia MOT Ltd | Blackpool | 2013 |
| Acacia of Chester Ltd | Chester | 2013 |
| Acacia Partnership Limited | London | 2024 |
| Acacia Products UK Ltd | London | 2026 |
| Acacia Retail Group Limited | Hereford | 2021 |
| Acacia Trading (Leeds) Limited | Southwell | 2008 |
| Acacia Trading Limited | Bury | 2025 |
| Acacia Trading Worldwide Ltd | London | 2021 |
| Acacia Tree Trading Ltd | London | 2024 |
| Acacia UK (Trading) Limited | Abingdon | 1997 |
| Acaciaexotics Ltd | Croydon | 2024 |
| Acaciafibre Limited | Axbridge | 2026 |
| Acaciaz Ltd | London | 2023 |
| Acacus Traders Ltd | Huddersfield | 2020 |
| Acad Trading Limited | Leeds | 2012 |
| Acada Solutions Limited | Liverpool | 2014 |
| Acadel Limited | London | 2025 |
| Academac Ltd | Liverpool | 2024 |
| Academia Motors Ltd | Birmingham | 2025 |
| Academia Schoolwear Ltd | Bradford | 2018 |
| Academic Book Services Limited | Bournemouth | 2014 |
| Academic Bridge Consultancy Limited | London | 2025 |
| Academic Dragon 001 Ltd | Liverpool | 2024 |
| Academic Generation Ltd | London | 2024 |
| Academic Oracle Ltd | Cambridge | 2026 |
| Academic Research Media Review Education Group Ltd | London | 2023 |
| Academically Gifted Ltd | Reading | 2019 |
| Academie Francaise Ltd | Norwich | 2023 |
| Academie TIK Ltd | Mildenhall | 2025 |
| Academie.Uk Limited | London | 2024 |
| Academy 1 Sports Ltd | Telford | 2013 |
| Academy Apparel Ltd | Mirfield | 2025 |
| Academy Carpets & Flooring Limited | London | 2012 |
| Academy Consultation Ltd | Birmingham | 2021 |