| April Banbury Bridal Ltd | Rickmansworth | 2025 |
| April Bloom Limited | Doncaster | 2025 |
| April Boulton Limited | Bristol | 2022 |
| April Business Solutions and Consultancy Ltd | London | 2019 |
| April Chambers Limited | London | 2020 |
| April Consultancy Limited | | 1989 |
| April Cottage Limited | London | 2011 |
| April Creations Limited | Middlesbrough | 2025 |
| April Flowers Legal Services Ltd | High Wycombe | 2020 |
| April INP Limited | London | 2017 |
| April Legal Limited | Gloucester | 2024 |
| April Marketing and Design Limited | Castle Donington | 2021 |
| April Nine Ltd | London | 2014 |
| April People Ltd | Shepton Mallet | 2019 |
| April Pharmacy Limited | London | 2009 |
| April Skies Accounting Limited | Farnham | 2022 |
| April Snow Investments Ltd | Ebbsfleet Valley | 2020 |
| April Steggles Consultancy Ltd | Southend-On-Sea | 2025 |
| April&June Law Limited | South Croydon | 2018 |
| Aprilfourteen Ltd | Buntingford | 2021 |
| Aprilis Solutions Limited | Northampton | 2013 |
| Aprille Denton Consulting Limited | Calne | 2017 |
| Aprilmay (UK) Ltd. | London | 2011 |
| Aprime Ltd | Coalville | 2021 |
| Aprion Partners Consulting Ltd | Billingham | 2025 |
| Aprit Foods Ltd | St. Albans | 2022 |
| Aprit WFL Consulting Limited | St. Albans | 2025 |
| Aprjo Limited | London | 2021 |
| Aprl Consulting Limited | Thame | 2024 |
| Apro Consulting Ltd | Cleethorpes | 2025 |
| Apro Energy Trading Ltd | Daventry | 2023 |
| Apro IFM Limited | Hungerford | 2011 |
| Aprojen Ltd | Aberdeen | 2015 |
| Apropos Consulting Ltd | Bristol | 2012 |
| Apropos London Ltd | London | 2014 |
| Apropos Productions Limited | London | 2004 |
| Aprotax Ltd | Bristol | 2019 |
| Aprotec Instrumentation Ltd | Chichester | 2011 |
| Aprove Science | Wembley | 2022 |
| Aprr Consultancy Ltd | Crawley | 2020 |
| Aprs Services Limited | Altrincham | 2017 |
| Aprtd Ltd | Wallingford | 2022 |
| Apru Consulting Limited | Glasgow | 2016 |
| APS (MG) Limited | Bangor | 2017 |
| APS (Midlands) Ltd | Loughborough | 2014 |
| APS Accountancy and Taxation Services Limited | Budleigh Salterton | 2000 |
| APS Accountancy Limited | Aylesbury | 2011 |
| APS Accountancy Services Limited | Deeside | 2012 |
| APS Accountants (UK) Ltd. | Coventry | 2003 |
| APS Accounts & Tax Ltd | London | 2023 |
| APS Accounts Ltd | Gloucester | 2010 |
| APS Advisors Ltd | London | 2013 |
| APS Advisory Ltd | Chippenham | 2022 |
| APS Associates Ltd | Selby | 2021 |
| APS ATC & Airport Consultancy Limited | York | 2018 |
| APS Biocontrol Limited | Dundee | 2003 |
| APS Connect Ltd | Lytham St.Annes | 2017 |
| APS Corporate Trustee Limited | Birmingham | 2025 |
| APS Cost Consultancy Limited | Plymouth | 2011 |
| APS Facade UK Limited | London | 2023 |
| APS Fire Limited | Romford | 2024 |
| APS Grinding Ltd | Poole | 2023 |
| APS Group Global Limited | Stockport | 2008 |
| APS Heiling Limited | Porthcawl | 2009 |
| APS Law Limited | Nottingham | 2015 |
| APS Legacy Ltd | Billingham | 2023 |
| APS Legal & Associates Limited | Derby | 2005 |
| APS Legal Ltd | Stoke-On-Trent | 2025 |
| APS Locum Ltd | Weston-Super-Mare | 2023 |
| APS Maintenance Consultants Ltd | London | 2021 |
| APS Management Consulting Limited | Sheffield | 2020 |
| APS Management Services Ltd. | Swindon | 2023 |
| APS Planning Ltd | Wimborne | 2016 |
| APS Process Ltd | Louth | 2013 |
| APS Professional Consultancy Ltd | Lancaster | 2015 |
| APS Professional Services Ltd | Poole | 2017 |
| APS Services (North East) Limited | County Durham | 1996 |
| APS Services Consultants Limited | Coventry | 2011 |
| APS Services Pro Ltd | Coventry | 2016 |
| APS Surveying Services Limited | Rotherham | 2002 |
| APS Talent Solutions Limited | Watford | 2009 |
| APS Workforce Solution Limited | Worthing | 2021 |
| APS4J Ltd | Birmingham | 2022 |
| Apsam Consulting Ltd | Milton Keynes | 2026 |
| Apsan Consulting Ltd | London | 2023 |
| Apsara Limited | London | 2019 |
| Apsara Offshore Limited | Dundee | 2016 |
| Apsay Engineering Ltd | Newcastle Upon Tyne | 2023 |
| Apsc Business Alliance Limited | London | 2022 |
| Apsc Ltd | Poole | 2022 |
| Apse Building Design Limited | Kidderminster | 2015 |
| Apse Group Ltd | Newton Abbot | 2023 |
| Apse Synergy Limited | Manchester | 2025 |
| Apsey Ltd | London | 2024 |
| Apsico Limited | | 2006 |
| Apsida EBT Limited | London | 2025 |
| Apsidea Limited | Beckenham | 2010 |
| Apsis Associates Ltd | Sheffield | 2014 |
| Apskaps Consulting Ltd | London | 2025 |
| Apsl Holdings Limited | Peterborough | 2021 |