| APC Group Holdings Ltd | Portsmouth | 2022 |
| APC Holdco Limited | Cannock | 2024 |
| APC Holdings & Assets Ltd | Heanor | 2025 |
| APC Holdings Limited | Mansfield | 2018 |
| APC Lending Limited | Hemel Hempstead | 2019 |
| APC LM Holdco Ltd | London | 2022 |
| APC London Market Limited | Romford | 2006 |
| APC Midco Limited | London | 2023 |
| APC Topco Limited | London | 2023 |
| APC6 Holdings Ltd | Dungannon | 2019 |
| Apca United Kingdom Holdings Limited | Llanaber | 2020 |
| Apco Group Limited | Glasgow | 2020 |
| Apco Holdings Limited | Southend On Sea | 2017 |
| Apco Property Holdings Limited | Southend On Sea | 2017 |
| APD Bird Limited | Huddersfield | 2021 |
| APD Civil Enforcement Services Limited | Llandudno Junction | 2020 |
| Apdmd Ltd | Beverley | 2019 |
| APE Capital Ltd | Beckenham | 2022 |
| APE Finance Limited | Birmingham | 2023 |
| APE Traders Academy Ltd | London | 2025 |
| APE Vape Holdings Limited | Newport | 2026 |
| Apecks Limited | Orpington | 2025 |
| Apeiron Group Limited | Newport | 2020 |
| Apeiron Holdings Limited | Manchester | 2019 |
| Apeiron Wealth Management Limited | Newport | 2024 |
| Apeiros Ethos Group Limited | London | 2024 |
| Apeiros Holdings Ltd | Oakham | 2020 |
| Apek Investments Limited | Belfast | 2018 |
| Apel Management Limited | Wilmslow | 2014 |
| Apem Bidco Limited | Stockport | 2025 |
| Apem Group Limited | Stockport | 2019 |
| Apem Midco Limited | Stockport | 2025 |
| Apergy Holdings Limited | Leeds | 2022 |
| Apergy Rods UK Limited | London | 2019 |
| Aperinova Healthcare Limited | London | 2025 |
| Aperio Financial Planners Limited | Knutsford | 2025 |
| Aperta Finance Limited | Derby | 2025 |
| Aperture Enhanced Credit Opportunities UK, Ltd | London | 2024 |
| Aperture Investors UK, Ltd | London | 2018 |
| Aperture Mortgage Advice Ltd | London | 2023 |
| Aperture Value Credit UK, Ltd | London | 2024 |
| Aperture-Fx Ltd | London | 2020 |
| Apeva Holdings Ltd. | Cambridge | 2018 |
| Apew Holdings Limited | Tetbury | 2020 |
| Apex (ADU) Nominees Limited | London | 2025 |
| Apex (EDB) Nominees Limited | London | 2025 |
| Apex (Leeds) Holdings Limited | Normanton | 2019 |
| Apex Accountants Group Ltd | Dundee | 2026 |
| Apex Advisory and Capital Raising Limited | London | 2022 |
| Apex Aims Group Limited | Ilford | 2023 |
| Apex Airspace Holdings Ltd | London | 2025 |
| Apex Asset Capital Ltd | Sawbridgeworth | 2026 |
| Apex Asset Finance Ltd | London | 2020 |
| Apex Asset Limited | Brentwood | 2023 |
| Apex Assets and Finance Ltd | London | 2025 |
| Apex ATL Pension Trustees Limited | London | 1988 |
| Apex Bidco Limited | Manchester | 2019 |
| Apex Bridging Loans Limited | Kegworth | 2013 |
| Apex Business Finance Ltd | Ellesmere | 2026 |
| Apex Business Group Limited | Leeds | 2018 |
| Apex C&R Developments Ltd | Basildon | 2024 |
| Apex Capital Global Ltd | London | 2022 |
| Apex Capital Services Ltd | Manchester | 2026 |
| Apex Capital Solutions Limited | Manchester | 2024 |
| Apex Capital Trading Limited | London | 2016 |
| Apex Capital Ventures Ltd | London | 2023 |
| Apex CB Financial Planning Limited | Poole | 2004 |
| Apex Commercial Finance UK Ltd | Leeds | 2020 |
| Apex Commercial Group Ltd | Holt | 2025 |
| Apex Commodity Markets Ltd | London | 2015 |
| Apex Compute Technologies Ltd | Kington | 2025 |
| Apex Consortium Ltd | Sutton | 2015 |
| Apex Consultancy Derby Limited | Derby | 2023 |
| Apex Continuum Holdings Limited | London | 2026 |
| Apex Contracts Holdings Ltd | Glasgow | 2026 |
| Apex Corporate and Business Services UK (NO.2) Limited | London | 2009 |
| Apex Corporate and Business Services UK Limited | London | 1999 |
| Apex Corporate Member Limited | London | 2025 |
| Apex Credit Management Limited | West Malling | 2000 |
| Apex Crestfield Limited | Rochester | 2026 |
| Apex Current Ventures Ltd | Kingston Upon Thames | 2025 |
| Apex Depositary (UK) Limited | London | 2013 |
| Apex Digital Holdings Ltd | Knutsford | 2026 |
| Apex Direct Ventures Ltd | London | 2025 |
| Apex Dominion Group Ltd | Haslemere | 2026 |
| Apex Drilling (Holdings) Limited | Bridgend | 2007 |
| Apex Enterprise Group Limited | Crewe | 2025 |
| Apex Equity Holdings Ltd | London | 2023 |
| Apex Evolve Ltd | Perth | 2025 |
| Apex Finance Limited | Aylesbury | 1999 |
| Apex Financial Admin Limited | Altrincham | 2026 |
| Apex Financial Advisers Ltd. | Buckhurst Hill | 2017 |
| Apex Financial Group Ltd | Waltham Abbey | 2022 |
| Apex Financial Services & Wealth Management Ltd | Maidenhead | 2021 |
| Apex Financial Services Ltd | Luton | 2026 |
| Apex Financial Solutions (South Wales) Limited | Usk | 2010 |
| Apex Funding Limited | Taunton | 2025 |
| Apex Funding Solutions Ltd | Milton Keynes | 2019 |
| Apex FX Investment Ltd | London | 2024 |
| Apex Global Invest Limited | London | 2024 |