| Appleton Signs Holdings Limited | Eastleigh | 2024 |
| Appleton Trade Management Ltd | London | 2024 |
| Appleton Utility Holdings Ltd | Runcorn | 2019 |
| Appleton Woods Group Limited | Kings Norton | 2023 |
| Appletons Associates Limited | Hull | 1953 |
| Appletree Commercial Finance Limited | York | 2018 |
| Appletree Court Limited | Borehamwood | 2022 |
| Appletree Digital Ltd | Glasgow | 2019 |
| Appletree Estates Holdings Limited | Liverpool | 2011 |
| Appletree Financial Solutions Limited | Poulton-Le-Fylde | 2005 |
| Appletree Holdings Limited | Woking | 1986 |
| Applewood Holdings(Kent) Ltd | Erith | 2018 |
| Applewood Independent Ltd | Bromsgrove | 1998 |
| Applewood Mortgages Ltd | Redhill | 2020 |
| Appley Leisure Group Limited | Portsmouth | 2015 |
| Appleyards Butchers Holdings Limited | Bexhill-On-Sea | 2024 |
| Appliance Holdings Limited | Clitheroe | 2015 |
| Appliances Fitted 4U Holdings Ltd | Hadlow | 2025 |
| Appliances Online Ltd | Bolton | 2012 |
| Applica Holdings Limited | Manchester | 2018 |
| Applicable Enterprises Ltd | Bristol | 2024 |
| Applicant Mortgage Brokers Limited | Beaconsfield | 2020 |
| Applicita Holdings Ltd | Milton Keynes | 2021 |
| Applied Actuarial Systems Limited | Oxford | 2011 |
| Applied AI Corporation Limited | London | 2021 |
| Applied Amethyst Holdings Ltd | London | 2023 |
| Applied Automation (Holdings) Limited | Plymouth | 2017 |
| Applied Credit Limited | Leeds | 2024 |
| Applied Crisis Underwriters Limited | Leeds | 2024 |
| Applied Emerald Holdings Ltd | London | 2023 |
| Applied Entertainment and Sports Limited | Leeds | 2024 |
| Applied Finance Limited | Southampton | 1980 |
| Applied Holdings Ltd | Great Chesterford | 2014 |
| Applied Information Group Limited | London | 2019 |
| Applied Intelligence Group Ltd | London | 2017 |
| Applied Kunzite Holdings Ltd | London | 2024 |
| Applied Leasing Ltd | Telford | 1990 |
| Applied Marine Limited | Leeds | 2026 |
| Applied Measurements (Holdings) Limited | Reading | 2011 |
| Applied Metal Technology Holdings Limited | Leeds | 2026 |
| Applied Psychology Services Holdings Ltd | Clitheroe | 2024 |
| Applied Radiators (2015) Limited | Stoke-On-Trent | 2015 |
| Applied Radiators 2025 Limited | Hanley | 2025 |
| Applied Radiators Group Ltd | Stoke-On-Trent | 2022 |
| Applied Radiators Holdings Limited | Stoke-On-Trent | 2013 |
| Applied Technical Products (Holdings) Limited | Stokesley | 2025 |
| Applied Topaz Holdings Ltd | London | 2023 |
| Applied Wealth Management Ltd | London | 2026 |
| Applogic Networks UK Limited | London | 2025 |
| Apply Mortgage Protection Ltd | Maidstone | 2018 |
| Apply Mortgages Ltd | Potters Bar | 2018 |
| Apply Wise Financial Ltd | Epping | 2025 |
| Applyearly Limited | Leeds | 2018 |
| Appmet Ltd | Ripon | 2016 |
| Appoint Direct Limited | Neath | 2012 |
| Appoint Financial Care Ltd | Altrincham | 2024 |
| Appointed Representative 1 Limited | Colchester | 2015 |
| Appointee Care Limited | Bradford | 2024 |
| Appraise Fire Group Limited | Sheffield | 2026 |
| Appriss Retail (UK) Holdings, Ltd. | London | 2016 |
| Approach Community Homes Limited | Stourbridge | 2010 |
| Approachable Finance Ltd | Keighley | 2011 |
| Approvable Limited | London | 2024 |
| Approve Finance Ltd | Portsmouth | 2026 |
| Approve Group Limited | Portsmouth | 2026 |
| Approve My Mortgage Ltd | Barry | 2022 |
| Approved Business Credit Limited | Tytherington | 2002 |
| Approved Business Finance Ltd | Northampton | 2019 |
| Approved Cold Storage Holdings Ltd | London | 2026 |
| Approved Commercial Finance Ltd | Northampton | 2019 |
| Approved Finance Limited | Northampton | 2019 |
| Approved Holdings and Investments Ltd | Dudley | 2022 |
| Approved Holdings Limited | Havant | 2018 |
| Approved Investments Ltd | Southend On Sea | 2023 |
| Approved Life Ltd | Newport | 2018 |
| Approved Mortgage Solutions Limited | Sunderland | 2007 |
| Approved Property Finance Ltd | Northampton | 2019 |
| Approved Used Vehicles Limited | Coventry | 2008 |
| Apps Business Holdings Ltd | Lowestoft | 2023 |
| Apps Group Limited | St. Ives | 2023 |
| Apps Holdings Ltd | Oldbury | 2020 |
| Apps IT Holdings Limited | London | 2019 |
| Apps Paraplanning Services Ltd | Brighton | 2012 |
| APPS2DATA (Holdings) Limited | Edinburgh | 2003 |
| APR (IF) Consulting Limited | Glasgow | 2021 |
| APR Capital Limited | London | 2023 |
| APR Energy Limited | London | 2009 |
| APR Expert Ltd | Derby | 2018 |
| APR Finance Limited | Coventry | 2011 |
| APR Group Holdings Ltd | London | 2024 |
| APR Money Ltd | Derby | 2017 |
| APR Mortgages Ltd | Newport | 2016 |
| APR Risks Ltd | London | 2026 |
| APR World Ltd | London | 2025 |
| Apra Holdings Ltd | Uxbridge | 2023 |
| Apreco Holdings Limited | London | 2013 |
| Aprhjr Limited | Norwich | 2024 |
| Apriati Holdings Limited | London | 2018 |
| Apricity Compliance Ltd | Darlington | 2017 |
| Apricity Financial Planning Ltd | St. Albans | 2022 |