| Apollo Print Solutions Limited | Blaydon-On-Tyne | 2017 |
| Apollo Printers Limited | East Sussex | 2007 |
| Apollo Productions Ltd | Wellingborough | 2021 |
| Apollo Products Limited | Debighshire | 1997 |
| Apollo Prosthetics Limited | Malvern | 2007 |
| Apollo Scaffold Services Limited | Barnsley | 2008 |
| Apollo Scientific Ltd | Manchester | 1993 |
| Apollo Services and Cleansmiths Ltd | Newton Abbot | 2000 |
| Apollo Sewing House Limited | Birmingham | 2019 |
| Apollo Signs (Nottingham) Ltd | Nottingham | 2024 |
| Apollo Signs Ltd | Paignton | 2009 |
| Apollo Swim Limited | Dunmow | 2024 |
| Apollo Systems UK Limited | Newark | 2005 |
| Apollo Test Solutions Ltd | Catsfield | 2020 |
| Apollo Tyres (UK) Sales Ltd. | Kettering | 1934 |
| Apollo View Modular Ltd | Rochester | 2022 |
| Apollo Workflow Consultancy Ltd | Burnham-On-Sea | 2019 |
| Apollo's Garden Ltd | Norwich | 2025 |
| Apollon Grid Limited | Birmingham | 2025 |
| Apollonia Global Ltd | London | 2026 |
| Apollopowders Limited | Rotherham | 2025 |
| Apollotek Limited | Sunbury | 1984 |
| Apollo’S Interiors Ltd | Birmingham | 2025 |
| Apophatic Traders Limited | London | 2026 |
| Aporia Ltd | Oxford | 2018 |
| Aposl Sheffield Limited | Sheffield | 2017 |
| Aposol Limited | London | 2022 |
| Apostle Coffee Ltd | Craven Arms | 2016 |
| Apostol Toys Limited | Burton-On-Trent | 2025 |
| Apostrof Ltd | London | 2025 |
| Apostrophe Woodcraft Limited | Jedburgh | 2006 |
| Apothecafe Ltd | London | 2025 |
| Apothecary Garden Limited | Wells | 2024 |
| Apothecary LAB Limited | Leicester | 2023 |
| Apothecary Potions Ltd | Southampton | 2021 |
| APOTHECARY64 Limited | Penarth | 2020 |
| Apotheke Perfume Ltd | Bath | 2020 |
| Apothespa Cosmetics Limited | Totnes | 2024 |
| App Composites Ltd | Milton Keynes | 2026 |
| App Lifting Services Limited | Peterborough | 1993 |
| Apparato Ltd | Poole | 2025 |
| Apparel and Knit Limited | Nottingham | 2023 |
| Apparel Avenue Ltd | Wolverhampton | 2024 |
| Apparel by Empress Ltd | Gateshead | 2024 |
| Apparel Dynamics Limited | London | 2026 |
| Apparel Export Ltd | Marlow | 2019 |
| Apparel Leicester Ltd | Leicester | 2017 |
| Apparel MAN Limited | Poole | 2012 |
| Apparel Manufacturing Technology & Marketing Solutions UK Limited | Loughton | 2012 |
| Apparel Star Ltd | London | 2025 |
| Apparel Stitch Limited | London | 2024 |
| Apparel Studio Ltd | Stockport | 2013 |
| Apparel Technology Limited | Brighton | 2020 |
| Apparel Trading Ltd | Leicester | 2014 |
| Apparel World Ltd | Preston | 2023 |
| Apparelhue Ltd | East Ham | 2025 |
| Appeal Media Limited | Falkirk | 2024 |
| Appeal Shading Limited | | 1998 |
| Apperley Aviation Services Ltd | Irvine | 2026 |
| Appetise Ltd | Knebworth | 2020 |
| Appetite Group Limited | Borehamwood | 2015 |
| Apph Aviation Services Limited | Runcorn | 1985 |
| Apph Limited | Manor Park | 1985 |
| Apph Nottingham Limited | Runcorn | 1987 |
| Appian Technologies Ltd | Bristol | 2011 |
| Appin Marine Ltd | Fort William | 2023 |
| Appinere Limited | Bromborough | 2003 |
| Applaud Engineering Ltd | Southsea | 2012 |
| Applause Records Inc Ltd | London | 2016 |
| Apple & BEE Design Limited | Rotherham | 2013 |
| Apple & Clover Ltd | Woking | 2019 |
| Apple & Pear Studio Ltd | Fareham | 2012 |
| Apple Aluminium Limited | Sheffield | 2008 |
| Apple and Bears Limited | Staines | 2012 |
| Apple and OAT Ltd | Haywards Heath | 2025 |
| Apple Aviation Global Limited | Birmingham | 2010 |
| Apple Aviation Limited | Birmingham | 2020 |
| Apple Binding Ltd | Lawford | 2001 |
| Apple Clinic Ltd | Manchester | 2016 |
| Apple Colour Ltd | Shrewsbury | 2016 |
| Apple Cottage Cider Limited | Baldock | 2012 |
| Apple County Cider Co Limited | Abergavenny | 2009 |
| Apple County Customs (SW) Ltd | Bristol | 2020 |
| Apple Dental Ceramics Limited | Nottingham | 2003 |
| Apple Food Systems Limited | Driffield | 2011 |
| Apple Force One Ltd | Montgomery | 2013 |
| Apple Glass Company Ltd | Wolverhampton | 2022 |
| Apple Litho (Bristol) Ltd | Shrewsbury | 1987 |
| Apple Machinery Ltd | Grantham | 2018 |
| Apple Moon Limited | Leeds | 2010 |
| Apple Paper Sales Limited | Grantham | 2019 |
| Apple Photo Booth UK Limited | London | 2022 |
| Apple Polyurethane Limited | Whitefield | 2005 |
| Apple Print & Creative Holdings Limited | Newbury | 2014 |
| Apple Print Holdings Limited | Newbury | 2008 |
| Apple Print Limited | Newbury | 1986 |
| Apple Signs and Installations Limited | Wolverhampton | 2017 |
| Apple Tree Carpentry & Construction Ltd | Tonypandy | 2021 |
| Apple Tree Group Limited | Spalding | 2021 |
| Appleby Brewery Ltd. | Salford | 2014 |