| Apple Twin LAB Ltd | Thame | 2026 |
| Apple.Eg Ltd | London | 2023 |
| Applearn International Limited | London | 2008 |
| Applearn Limited | London | 2011 |
| Applebeck Limited | Swansea | 2018 |
| Appleberry Designs Limited | Washington | 2008 |
| Appleboar Ltd | Manchester | 2025 |
| Appleby Analytics Limited | Swadlincote | 2024 |
| Appleby Consultix Ltd | Leeds | 2024 |
| Appleby Media Limited | Manchester | 2011 |
| Appleby Solutions Ltd | London | 2025 |
| Appleby Systems Ltd | Weymouth | 2021 |
| Applecado Ltd | Buckingham | 2010 |
| Applecart Entertainment Limited | Bebington | 2018 |
| Applecart Research Ltd | Bridlington | 2025 |
| Applecartlive Ltd | Cheltenham | 2011 |
| Applecheck (Essex) Ltd | Essex | 2004 |
| Applecoe Studio Ltd | Worthing | 2023 |
| Applecore Designs Limited | Birmingham | 1995 |
| Applecore Holdings Limited | Birmingham | 2018 |
| Applecore-It Ltd | Runcorn | 2009 |
| Applecroft Consultants Ltd | East Sussex | 2002 |
| Applecrumble Studio Ltd | London | 2023 |
| Appledore Productions Ltd | London | 2025 |
| Appleford Technology Limited | Reading | 1996 |
| Applegate Consulting Ltd | Scunthorpe | 2009 |
| Applegate Marketplace Ltd. | London | 2000 |
| Applegrips Co Ltd | London | 2003 |
| Applehead Media Ltd | Altrincham | 2007 |
| Applejack.Co.Uk Limited | Ipswich | 2000 |
| Applejacks Burgers Ltd | Fareham | 2016 |
| Applejuiceltd Ltd | London | 2026 |
| Applekitti Ltd | Bury St. Edmunds | 2026 |
| Appleland Limited | Ascot | 2009 |
| Applepark Limited | Warrington | 2004 |
| Applerigg IT Limited | Blackpool | 2014 |
| Applerouter Limited | Kington | 2026 |
| Apples to Apples Limited | Blackburn | 2023 |
| Appleseed Solutions Ltd | Bristol | 2023 |
| Applet Softwarehouse UK Limited | Ilford | 2025 |
| Appletec Limited | Cranleigh | 2005 |
| Appletelly Limited | Carshalton | 2006 |
| Appleton Digital Services Ltd | Blackpool | 2021 |
| Appleton Five Consultancy Limited | Romford | 2019 |
| Appleton ICT Limited | Glasgow | 2014 |
| Appleton Innovations Ltd | Wolverhampton | 2021 |
| Appleton Works Ltd | Shoreham-By-Sea | 2019 |
| Appletown London Ltd | London Colindale Edgware | 2026 |
| Appletree Analogue Limited | Dunmow | 2019 |
| Appletree House Limited | Belfast | 1991 |
| Appletree Press Limited -the | Belfast | 1965 |
| Appletree Records Limited | Whyteleafe | 2023 |
| Appletree Services Limited | Redditch | 2015 |
| Appletree Technology Limited | St. Mary'S | 2019 |
| Appletree Training Ltd | Thatcham | 2020 |
| Appletrees Limited | London | 2023 |
| Applette Limited | Watford | 2011 |
| Appleville Innovations Technology Ltd | Dartford | 2023 |
| Applewick Creative Limited | Pocklington | 2023 |
| Applewood Group Ltd | London | 2016 |
| Applewood IT Limited | Betchworth | 2013 |
| Applewood Publishing & Digital Limited | Rustington | 2017 |
| Applewood Pursuits Ltd | Northampton | 2019 |
| Applewood SEO Ltd | London | 2019 |
| Appleworld Limited | East Yorkshire | 2003 |
| Applexus Infotech Ltd | Norwich | 2022 |
| Applexus Limited | Aberdeen | 1991 |
| Applexus Technologies Ltd | Hounslow | 2014 |
| Appleyard House Consulting Limited | Leeds | 2025 |
| Appleyard Services Limited | Cheadle | 2000 |
| Appleyard Smart Consulting Limited | Normanton | 2022 |
| Applianceguarduk Limited | Arundel | 2019 |
| Applica Solutions Ltd | London | 2024 |
| Applicaa Ltd | Hereford | 2013 |
| Applicability Ltd | London | 2024 |
| Applicable Limited | Bristol | 1997 |
| Applicado Ltd | London | 2013 |
| Applican Limited | Harrow | 2016 |
| Applicando Ltd. | Hove | 2023 |
| Applicaster UK Ltd | London | 2015 |
| Applicate Ltd | London | 2012 |
| Application Consulting Limited | Ottery St. Mary | 2012 |
| Application Data Limited | Cardiff | 2018 |
| Application Delivery Solutions Ltd | London | 2011 |
| Application Development Team Limited | London | 1994 |
| Application House Limited | Perivale | 2018 |
| Application Ingenuity Ltd | London | 2016 |
| Application Integrity Review (Air) Ltd | Bradford | 2026 |
| Application Labs Limited | Marlow | 2019 |
| Application Management Limited | Hitchin | 2024 |
| Application Management System Ltd | London | 2024 |
| Application Perfection Ltd | London | 2016 |
| Application Performance Ltd | Fleet | 2004 |
| Application Readiness Ltd | London | 2014 |
| Application Resource Management Limited | Cardiff | 2019 |
| Application Solutions (Electronics and Vision) Limited | Lichfield | 2007 |
| Application Specific Technologies Limited | Bolton | 2005 |
| Application Studio Ltd | Congleton | 2024 |
| Application Support Services Ltd | London | 2017 |
| Application Systems Ltd. | Hastings | 2023 |