| AP Capital Holding Limited | London | 2023 |
| AP Capital International Limited | London | 2021 |
| AP Chia (UK) Limited | London | 2025 |
| AP Commercial Finance Limited | Wimborne | 2021 |
| AP Commodities Ltd | London | 2015 |
| AP Dhillon Holdings Ltd | Wallington | 2020 |
| AP Drywall Limited | Brentwood | 2010 |
| AP Enterprise Holding Ltd | Huntingdon | 2020 |
| AP Everest Topco Ltd | London | 2025 |
| AP Evergreen Limited | Stockport | 2019 |
| AP Falkor Bidco Limited | London | 2025 |
| AP Falkor Holdco Limited | London | 2025 |
| AP Falkor Midco Issuer Limited | London | 2025 |
| AP Falkor Senior Issuer Limited | London | 2025 |
| AP Falkor Topco Issuer Limited | London | 2025 |
| AP Finance Limited | Redhill | 2026 |
| AP Financial Advisers Limited | Stanmore | 2020 |
| AP Global Holdings Limited | Cambridge | 2025 |
| AP Group (JV) Limited | South Croydon | 2022 |
| AP Group Holdings Limited | South Croydon | 2022 |
| AP Group Investments Ltd | Lichfield | 2025 |
| AP Hercules UK Ltd | London | 2025 |
| AP HKC Ltd | Bournemouth | 2023 |
| AP Holdings & Investments Limited | Swanley | 2020 |
| AP Holdings (Teesside) Limited | Newton Aycliffe | 2024 |
| AP Holdings Group Limited | Willenhall | 2023 |
| AP Holdings Limited | Derby | 2023 |
| AP Holdings London Limited | West Byfleet | 2025 |
| AP Holdings PVT Ltd | South Croydon | 2025 |
| AP International Investment & Development Ltd | London | 2025 |
| AP Life Solutions Ltd | Dungannon | 2025 |
| AP LUZ Bidco UK Ltd | London | 2024 |
| AP Morgan Group Limited | Redditch | 2013 |
| AP Mortgage Services Ltd | Leigh | 2019 |
| AP Mortgage Solutions Ltd | Chesterfield | 2019 |
| AP Mortgages Limited | Wimborne | 2021 |
| AP Pegasus Bidco Limited | London | 2026 |
| AP Pegasus Midco Limited | London | 2026 |
| AP Pistachio (UK) Limited | London | 2024 |
| AP Practice Limited | Coventry | 2017 |
| AP Premier Holdings Ltd | Birmingham | 2020 |
| AP Projects Management Ltd | Fareham | 2024 |
| AP Race (Holdings) Limited | Flitwick | 2020 |
| AP Risk Management Ltd | Gateshead | 2005 |
| AP Solution Group Ltd | London | 2025 |
| AP Specialist Care Group Ltd | Warrington | 2023 |
| AP Technology Holdings Limited | Coventry | 2017 |
| AP Trustees Limited | Beenham | 2018 |
| AP Wealth Limited | Gloucester | 2024 |
| AP Wimbledon Holdco Limited | London | 2025 |
| AP Wimbledon Topco Limited | London | 2025 |
| Ap&Co Holdings Ltd | Cheltenham | 2023 |
| Ap-Co-Op Limited | Eastleigh | 2022 |
| AP3 Holdings Limited | Manchester | 2019 |
| AP4STRUCTURES Holdings Limited | London | 2025 |
| AP50 Ltd | Stanford-Le-Hope | 2022 |
| AP92 Holdings Ltd | Gateshead | 2025 |
| APA Admin Ltd | Bedford | 2019 |
| APA Consulting Limited | Southend On Sea | 2012 |
| Apac Europe Holdings Limited | Loughborough | 2019 |
| Apac Group Holdings Ltd | Loughborough | 2018 |
| Apache Holdings Limited | London | 2020 |
| Apache Intertrader Limited | Reading | 2022 |
| Apache Risk Consulting Ltd | London | 2018 |
| Apache Strategy Limited | Hungerford | 2002 |
| Apache UK Pension Trustee Limited | | 2003 |
| Apadmi Group Limited | Salford | 2012 |
| Apae Holdings Ltd | Nottingham | 2024 |
| Apag Limited | Lichfield | 2015 |
| Apala Holdings Ltd | London | 2021 |
| Apapane Investments Limited | London | 2021 |
| Apari Holdings Ltd | Leamington Spa | 2020 |
| Apart Group Limited | London | 2020 |
| Aparthotel CW Limited | Bristol | 2019 |
| Aparthotel Holdings Limited | Clifton, Bristol | 2018 |
| Aparthotel Investments II Limited | Bristol | 2019 |
| Aparthotel Leasing Limited | Bristol | 2018 |
| Aparthotel West London Holdings Limited | Bristol | 2021 |
| Apartlease PVT Ltd | Cardiff | 2020 |
| Apartment Sales Lettings Hold Co Limited | London | 2024 |
| Apartment Sales Lettings Mezz Co Limited | London | 2024 |
| Apartment Sales Lettings Top Co Limited | London | 2024 |
| Apasa Limited | Bedale | 2018 |
| Apate Limited | Sandy | 2010 |
| Apater Capital Limited | Leeds | 2019 |
| Apavi Group Holdings Limited | Nottingham | 2021 |
| Apax Partners Europe Managers Ltd | London | 2000 |
| Apax Partners Fund Services Ltd | London | 2013 |
| Apax Partners UK Ltd | London | 1977 |
| Apax Partners US Holdings Ltd | London | 2008 |
| Apaya Group Limited | Northampton | 2020 |
| APB (Nottingham) Limited | Leicester | 2013 |
| APB Group Holdings Limited | Stoke-On-Trent | 2020 |
| APB Investments Limited | Lowestoft | 2013 |
| Apbc Holdings Ltd | Rackenford | 2025 |
| APC Bidco Limited | London | 2023 |
| APC Capital Holdings Limited | Hitchin | 2021 |
| APC Enterprises (Midlands) Ltd | Stafford | 2018 |
| APC Financial Services Ltd | Liverpool | 2019 |
| APC Financial Solutions and Consultancy Services Limited | Glasgow | 2011 |