| ACC Commercial Cleaning Limited | Maidstone | 2023 |
| ACC Crunchers Ltd | Ilford | 2023 |
| ACC Drivers Center Ltd | Cardiff | 2018 |
| ACC Education Ltd | Croydon | 2024 |
| ACC Industries Limited | London | 2009 |
| ACC Management Ltd | Reading | 2023 |
| ACC Recruitment Ltd. | London | 2017 |
| ACC Security Solutions Ltd | Stockport | 2008 |
| ACC Space Limited | London | 2026 |
| ACC SUB Hotel Ltd | Liverpool | 2026 |
| ACC SUB Ltd | Liverpool | 2026 |
| ACC7 Security Ltd | Ipswich | 2025 |
| Acca Russia Limited | London | 2014 |
| Acca Solutions Limited | Leeds | 2014 |
| Accace UK Limited | London | 2013 |
| Accademia SAN Felice | Wells | 1997 |
| Accario Limited | Harrow | 2015 |
| Accarray Solutions Ltd | London | 2023 |
| Accasion Marquees Limited | Hereford | 2007 |
| Accc Services Ltd | Tilbury | 2023 |
| Acce Commodity Co., Ltd | Kington | 2021 |
| Acce DRY Cleaners Limited | Beverley | 2025 |
| Acced IT Consultancy Limited | London | 2015 |
| Accede Marketing Ltd | Leeds | 2025 |
| Accel Advisors Limited | London | 2024 |
| Accel Services Limited | Epsom | 2024 |
| Acceler Ltd | Lutterworth | 2009 |
| ACCELER8 Business Solutions Ltd. | Belfast | 2020 |
| ACCELER8 Global Ltd | Failsworth | 2015 |
| Accelera.Ai Ltd | Aldershot | 2025 |
| Accelerant Detection Dog Support | Manchester | 2019 |
| Accelerant Events Ltd | Epsom | 2025 |
| Accelerate Bidco Limited | Bury St. Edmunds | 2022 |
| Accelerate Business Consultancy & Solutions Ltd | High Wycombe | 2022 |
| Accelerate Enterprise Ltd | London | 2016 |
| Accelerate Facilities Ltd | Ipswich | 2001 |
| Accelerate Global Partners Ltd | Cradley Heath | 2024 |
| Accelerate Group Limited | Egham | 2018 |
| Accelerate Holdco Limited | Bury St. Edmunds | 2022 |
| Accelerate Holdings Ltd | London | 2019 |
| Accelerate HR Limited | Corbridge | 2025 |
| Accelerate Management Consultants Ltd | Benfleet | 2013 |
| Accelerate Midco Limited | Bury St. Edmunds | 2022 |
| Accelerate People Limited | London | 2015 |
| Accelerate Personnel Ltd | Dereham | 2021 |
| Accelerate Places Ltd | London | 2012 |
| Accelerate Recruitment Consultancy Ltd | Caerphilly | 2022 |
| Accelerate Sales Collective Ltd | Abergavenny | 2026 |
| Accelerate Strategy Limited | London | 2025 |
| Accelerate Topco Limited | Bury St. Edmunds | 2022 |
| Accelerate Travel Limited | London | 2021 |
| Accelerated People Management Ltd | Orpington | 2022 |
| Accelerated Training Limited | Leeds | 2009 |
| Accelerated Ventures Ltd | Wilmslow | 2024 |
| Accelerating Expert Leaders Ltd | Oxford | 2018 |
| Acceleration Partners Limited | London | 2017 |
| Accelerator Coaching Ltd | Morpeth | 2020 |
| Accelerator Concepts Limited | London | 2003 |
| Accelerator Hire Ltd | Sutton | 2021 |
| Accelerator Holdings Limited | Kingswinford | 2023 |
| Accelerator Limited | Fareham | 2003 |
| Accelerator Pro Limited | Colchester | 2022 |
| Accelerental Ltd | Manchester | 2022 |
| Accelerix Ltd | Andover | 2024 |
| Accelero Events Ltd | London | 2017 |
| Acceleron Business Finance Limited | Chelmsford | 2025 |
| Accell Ltd | London | 2019 |
| Accelon Premier Consultants Ltd. | London | 2023 |
| Accelonix Limited | Chelmsford | 1998 |
| Accelvia Talent Ltd | London | 2025 |
| Accelya Bidco Limited | London | 2017 |
| Accelya Finco Limited | London | 2016 |
| Accelya Midco Limited | London | 2014 |
| Accelyon Ltd | London | 2025 |
| Accendia Ltd | London | 2019 |
| Accendo Medico Legals Ltd | Preston | 2013 |
| ACCENDO360 Ltd | Sheffield | 2021 |
| Accent Atlantic Ltd | Newcastle Upon Tyne | 2021 |
| Accent Landscaping Limited | London | 2024 |
| Accent on Education Limited | Newport | 2010 |
| Accent Security Limited | Hitchin | 2009 |
| Accent Umbrella Ltd | Leeds | 2022 |
| Accent Voyage Limited | London | 2024 |
| Accent Wire Limited | Solihull | 2006 |
| Accentia Ltd | Heswall | 2007 |
| Accentiv Limited | Coventry | 2008 |
| Accentoire Ltd | Rainham | 2021 |
| Accentuate Yourself Limited | Milton Keynes | 2018 |
| Accenture Next GEN Customer Service Limited | London | 2023 |
| Accenture Post-Trade Processing Limited | London | 2013 |
| Accentus Europe Limited | Edinburgh | 2017 |
| Accept Cards Trustees Limited | Elland | 2023 |
| Accept Consultancy Ltd | Leeds | 2024 |
| Accept Recruitment Ltd | Leicester | 2015 |
| Accept Recruitment Payroll Ltd | Hockley | 2023 |
| Accept Training Ltd | Stanley | 2024 |
| Acceptional Consulting Solutions Ltd | Chester Le Street | 2018 |
| Accertify (UK) Limited | London | 2023 |
| Access Global Services Ltd | London | 2023 |
| Access & Automation Limited | Clacton-On-Sea | 2007 |