| Adullam Holdings Limited | London | 2025 |
| Adult Newco Ltd | Wolverhampton | 2024 |
| Adunlop Holdings Ltd | Narberth | 2022 |
| Adur 2022 Company | Haywards Heath | 2023 |
| Adur Holdings Ltd | Northampton | 2025 |
| Adur Mortgages Limited | Brighton | 2007 |
| Adura Operations Limited | London | 2025 |
| Aduralere Holdings Ltd | Erith | 2026 |
| Adute Enterprise Ltd | London | 2026 |
| Aduvant Holdings Limited | London | 2025 |
| ADV Channel Limited | London | 2008 |
| ADV Data Holding Limited | Huddersfield | 2023 |
| ADV Finance Holding Limited | London | 2023 |
| ADV Finance Ltd | Stockport | 2015 |
| ADV Group Ltd. | London | 2024 |
| ADV Holding Group Limited | London | 2023 |
| ADV Holdings Ltd | Cardiff | 2024 |
| ADV Investments Limited | London | 2020 |
| ADV LC Holdings Limited | Brough | 2025 |
| ADV Lendco UK Limited | Altrincham | 2022 |
| ADV People Holding Limited | London | 2023 |
| ADV4NCE Group Limited | Newcastle | 2024 |
| Adva Group Limited | Stanmore | 2020 |
| Adva Specialty Limited | Stanmore | 2020 |
| Advaco Investments Limited | Fareham | 2021 |
| Adval Investments Limited | Ashford | 2023 |
| Advance Accountancy Holdings Limited | Southport | 2023 |
| Advance Actuarial Ltd | Uttoxeter | 2023 |
| Advance Auto Recovery Holdings Limited | Nottingham | 2026 |
| Advance Business COM (Europe) Ltd | London | 2008 |
| Advance Capital Investment Ltd | Birmingham | 2024 |
| Advance Capital Limited | Beaconsfield | 2017 |
| Advance Commercial Finance (UK) Ltd | Doncaster | 2023 |
| Advance Door Centre Trustee Ltd | Sunderland | 2026 |
| Advance Factors (UK) Ltd | Cannock | 2025 |
| Advance Finance & Leasing Ltd | Warrington | 2011 |
| Advance Finance Network Limited | London | 2026 |
| Advance Financial Consultants Limited | West Drayton | 2009 |
| Advance Financial Planning (South West) Ltd | Newton Abbot | 2009 |
| Advance Financial Services (NI) Ltd | Armagh | 2013 |
| Advance Financial Solutions Ltd | Dromore | 2012 |
| Advance Group Holdings Ltd | Ewloe | 2015 |
| Advance Insurance Agencies Limited | Huntingdon | 2002 |
| Advance Insurance Services (Midlands) Ltd | Ashby-De-La-Zouch | 2008 |
| Advance Investments Limited | Bath Bath & North East Somerset | 2001 |
| Advance Management & Holding Company Limited | London | 2016 |
| Advance Mortgage & Protection Advisers Limited | Rochford | 2024 |
| Advance Mortgage Funding Limited | Newcastle Upon Tyne | 1988 |
| Advance Mortgage Solutions (UK) Ltd | Stoke-On-Trent | 2001 |
| Advance Mortgages & Protection Ltd | Uxbridge | 2021 |
| Advance Platform Ltd | Bath | 2017 |
| Advance Property & Investment Ltd | London | 2016 |
| Advance Schemes Limited | Hemel Hempstead | 2012 |
| Advanced (Scotland) Limited | Renfrewshire | 2005 |
| Advanced 365 Limited | Birmingham | 2011 |
| Advanced Alloys Group Limited | York | 2019 |
| Advanced Asset Management Ltd | Glasgow | 2017 |
| Advanced Automotive Technologies Limited | Harpenden | 2015 |
| Advanced Bioenergy Company Holdings Ltd | London | 2023 |
| Advanced Biofuels of Idaho Ltd | London | 2026 |
| Advanced Capital Partners Ltd | London | 2025 |
| Advanced Capital Solutions Limited | Bexleyheath | 1997 |
| Advanced Coldformed Holdings Limited | Wolverhamton | 2014 |
| Advanced Commercial Interiors Holdings Ltd | Nottingham | 2025 |
| Advanced Computer Software Group Limited | Birmingham | 2011 |
| Advanced Construction Engineering Ltd | Leyland | 2014 |
| Advanced Contracts Solutions Holdings Limited | Abercan | 2023 |
| Advanced Dynamics Group Limited | Bradford | 2021 |
| Advanced Dynamics Holdings Limited | Bradford | 2019 |
| Advanced Electric Machines Group Ltd | Tyne And Wear | 2019 |
| Advanced Electronics Applications Ltd | London | 2026 |
| Advanced Engineering Group Holdings Limited | Bradford | 2025 |
| Advanced Equity Ltd | Bromley | 2023 |
| Advanced Financial Planning Scotland Limited | Inverurie | 2010 |
| Advanced Financial Strategies Limited | Paisley | 2006 |
| Advanced Firefighting Technology Holdings Ltd | London | 2024 |
| Advanced Flooring Solutions Holdings Limited | Wolverhampton | 2024 |
| Advanced Gate Solutions Holdings Ltd | Havant | 2024 |
| Advanced Group Limited | Wolverhampton | 2018 |
| Advanced Group Ventures Ltd | Pershore | 2012 |
| Advanced Healthcare Group Limited | Newcastle Upon Tyne | 2024 |
| Advanced Holdings & Investments Limited | Dudley | 2026 |
| Advanced Holdings (N.I.) Limited | Omagh | 2024 |
| Advanced Holdings Group Ltd | Rugby | 2024 |
| Advanced Hydraulics Group Ltd | Keighley | 2018 |
| Advanced Hydrogen Technologies Group Limited | London | 2021 |
| Advanced IFA Ltd | Sunderland | 2004 |
| Advanced Industrial Applications Ltd | London | 2026 |
| Advanced Industries Ltd | London | 2026 |
| Advanced Inhalation Rituals Bidco Limited | London | 2019 |
| Advanced Inheritance Limited | York | 2023 |
| Advanced Insurance Centres Limited | Ilford | 2000 |
| Advanced Insurance Consultants Limited | Birmingham | 2003 |
| Advanced Insured Resources Ltd | London | 2018 |
| Advanced International Ltd | Belfast | 2015 |
| Advanced Investment & Retirement Planning (Scotland) Ltd | Inverness | 2020 |
| Advanced Investment Mechanics Ltd | Sheffield | 2025 |
| Advanced JET Training Holdings Limited | London | 2008 |
| Advanced KFS Holdings Limited | Eastleigh | 2019 |
| Advanced LCV Conversions Ltd | London, | 2026 |