| Apps International Limited | Bath | 2004 |
| Apps Ledger Accountancy Limited | Hinckley | 2025 |
| Apps Legal Limited | Exeter | 2018 |
| Apps Maritime Consultancy Ltd | London | 2026 |
| Apps Plus Ltd | London | 1996 |
| Apps Precision Manufacturing Limited | Hailsham | 2026 |
| Apps Run the World UK Limited | London | 2022 |
| Apps Scotland Ltd | Hamilton | 2010 |
| Appsc Limited | Loughborough | 2010 |
| Appscert Ltd | Beverley | 2016 |
| Appscore Limited | Hope Valley | 2018 |
| Appsense Holdings Limited | London | 2002 |
| Appsent.Me.Uk Limited | Newport | 2023 |
| Appserve Ltd | Warrington | 2025 |
| Appsflyer UK Ltd | Poole | 2016 |
| Appshark Limited | London | 2018 |
| Appsum | Sawbridgeworth | 2020 |
| Appthreat Ltd | Bude | 2022 |
| Apptituda Limited | Hebburn | 2016 |
| Apptitude Coaching & Consulting Limited | Maidenhead | 2026 |
| Apptitude Limited | London | 2020 |
| Apptitude Media Limited | Stratford-Upon-Avon | 2026 |
| Appvantage Solutions Limited | Leicester | 2025 |
| Appyfy Ltd | Caerffili | 2025 |
| APQ Global Consultant Ltd | Birmingham | 2022 |
| APQ Locations Ltd | Uxbridge | 2023 |
| Apqp Program Engineering Limited | Shuttington | 2026 |
| Apqs Consultancy Ltd | Macclesfield | 2019 |
| Apqs Services Limited | Ipswich | 2025 |
| APR Accountancy Services Limited | Keighley | 2003 |
| APR Advisory Ltd | London | 2024 |
| APR Artist Agency Ltd | London | 2024 |
| APR Consultancy Ltd | London | 2025 |
| APR Consulting Group Limited | Manchester | 2026 |
| APR Engineering Group Limited | Leighton Buzzard | 2013 |
| APR Enterprises Ltd | Towcester | 2021 |
| APR Europe Limited | London | 2015 |
| APR Financial Consulting Limited | Birmingham | 2024 |
| APR Health Limited | Totnes | 2005 |
| APR Imports Ltd | Warminster | 2024 |
| APR Law Limited | Taunton | 2016 |
| APR Marketing Ltd | London | 2018 |
| APR Project Services Ltd | Redcar | 2023 |
| APR Safety Limited | Banff | 2019 |
| APR South West Limited | Penryn | 2003 |
| Apr/May Ltd | London | 2020 |
| Apra Management Limited | London | 2004 |
| Apragaz Limited | Folkestone | 2021 |
| Apraku & Co Legal Consultants Ltd | London | 2023 |
| Aprc Ltd | Swansea | 2015 |
| Aprct Ltd | London | 2025 |
| Aprdot Limited | St. Helens | 2023 |
| Apre Consultancy Ltd | London | 2020 |
| Apre Performance Ltd | Liverpool | 2025 |
| Aprendido Ltd | Knaphill, Woking | 2024 |
| Aprenica Ltd | London | 2025 |
| Aprenzi Consultancy Limited | Dorchester | 2008 |
| Apreslabs Ltd | Harpenden | 2011 |
| Apress Holdings Ltd | Cannock | 2023 |
| Apress Investments Ltd | Cannock | 2023 |
| Apreus Ltd | London | 2021 |
| Apria Accountants Ltd | Bradford | 2026 |
| Aprica Limited | Redruth | 2005 |
| Apricate Consulting Ltd | Romsey | 2023 |
| Apricity Capital Ltd | Wilmslow | 2021 |
| Apricity Capital Partners Limited | Brighton | 2026 |
| Apricity Engineering Ltd | London | 2025 |
| Apricity Freude Limited | London | 2024 |
| Apricity Geoscience Ltd. | Petersfield | 2022 |
| Apricity Group Ltd | Haywards Heath | 2022 |
| Apricity LAB Ltd | London | 2023 |
| Apricity Law Limited | Cornwood | 2024 |
| Apricity Marketing Ltd | Southsea | 2023 |
| Apricity Solutions Limited | Cambridge | 2024 |
| Apricity Sustainability Consulting Ltd | Ivybridge | 2022 |
| Apricity Three Ltd | Market Harborough | 2022 |
| Apricity Tickets & Events Ltd | London | 2024 |
| Apricot Advertising Limited | London | 2024 |
| Apricot Africa Consulting Limited | Blackpool | 2021 |
| Apricot Associates Ltd | Essex | 2003 |
| Apricot Cloud Accounting Limited | Billericay | 2017 |
| Apricot Consultancy UK Ltd | London | 2018 |
| Apricot Consulting Ltd | Milton Keynes | 2023 |
| Apricot Group Limited | Nottingham | 2015 |
| Apricot Implant Limited | Gloucester | 2025 |
| Apricot Investments Limited | Southport | 2015 |
| Apricot Management Limited | Melton Mowbray | 2014 |
| Apricot Marketing Services Ltd | Potters Bar | 2019 |
| Apricot Square Ltd | London | 2025 |
| Apricot Training Management Limited | Leicestershire | 2004 |
| Apricotxpress Ltd | Witham | 2024 |
| Apricus Advisory Ltd | Milton Keynes | 2023 |
| Apricus Consultancy Limited | Huddersfield | 2020 |
| Apricus Consultants Ltd | Camberley | 2015 |
| Apricus Consulting Limited | Leamington Spa | 2021 |
| Apricus Holdings Limited | Market Harborough | 2021 |
| Apricus Marketing Ltd | Castle Donington | 2020 |
| Aprikam Ltd | Reading | 2006 |
| April 2000 Management Comp. Limited | Dorset | 2000 |
| April Accounting Solutions Limited | London | 2021 |