| Andrews Property Services UK Limited | Pontypridd | 2015 |
| Andrews Quantity Surveyors Ltd | Southampton | 2002 |
| Andrews Signs Ltd. | Thornton-Cleveleys | 2004 |
| Andrews Survey & Valuation Limited | Diss | 2016 |
| Andrews Wealth Ltd | Westcliff-On-Sea | 2017 |
| Andrews Wildlife Consultants Ltd | Canterbury | 2019 |
| Andrews' Accountancy Services (Kent) Ltd | Sheerness | 2026 |
| Andrews, Kent & Stone Limited | Botley | 1993 |
| Andrews-Whalley Consulting Ltd | Telford | 2023 |
| Andrey Karnaukhov Limited | Leeds | 2017 |
| Andrianidis Ltd | London | 2025 |
| Andrican Limited | Warwick | 2015 |
| Andrich Limited | Orpington | 2008 |
| Andricus Limited | Brinsley | 2026 |
| Andridge Financial Solutions Ltd | Cardiff | 2020 |
| Andrien Meyers Rodrigues Limited | Sutton | 2017 |
| Andrii Ltd | London | 2020 |
| Andrii RND Limited | London | 2022 |
| Andrii Vilk Studio Limited | London | 2024 |
| Andrima UK Ltd | Aberdeen | 2009 |
| Andrina’S Cabinet London Ltd | Bolton | 2023 |
| Andrite Ltd | Daventry | 2014 |
| Andritz Fabrics and Rolls Holdings Limited | London | 2004 |
| Andritz Hydro Hammerfest (UK) Limited | Glasgow | 2008 |
| Andro Engineering Ltd | Gravesend | 2007 |
| Androcons Ltd | Uckfield | 2019 |
| Androhaus Limited | London | 2025 |
| Android Animation and Design Ltd | Cardiff | 2023 |
| Android Epos Ltd | Harpenden | 2019 |
| Androidgynous Ltd | Llandysul | 2018 |
| Androidsoft UK Ltd | London | 2025 |
| Andromeda Business Advisory Limited | London | 2014 |
| Andromeda Designs Ltd | London | 2023 |
| Andromeda Employment Services Ltd | Worksop | 2010 |
| Andromeda Engineering Ltd | Liverpool | 2012 |
| Andromeda FE Leadership Services Ltd | Rugby | 2022 |
| Andromeda Global Holdings Ltd | Northampton | 2016 |
| Andromeda Lean Consultants Limited | London | 2016 |
| Andromeda Life Sciences Limited | London | 2025 |
| Andromeda LS Holdings Limited | London | 2024 |
| Andromeda Subsea Networks Ltd | London | 2026 |
| Andromeda Surveyors Limited | London | 2023 |
| Andromedan Ltd | London | 2022 |
| Andromede a 711 Flaine Limited | Southampton | 1987 |
| Andromedia Ventures Ltd | London | 2019 |
| Andronicas World of Coffee Limited | Croydon | 1997 |
| Andronov & Company Limited | Shropshire | 2007 |
| Androon Arcade Consultancy Limited | Uxbridge | 2024 |
| Andros Consulting Limited | Cheltenham | 2021 |
| Androsurg Ltd | Rickmansworth | 2016 |
| Androu Properties Limited | Solihull | 2006 |
| Androw Ltd | East Molesey | 2011 |
| Andrulyte Enterprises Ltd | Liverpool | 2024 |
| Andrusca Dowling Consultancy Limited | Southampton | 2026 |
| Andrws Ltd | Leeds | 2016 |
| Andrén Interiors Ltd | London | 2021 |
| Andser Consulting Ltd | Ringwood | 2025 |
| Andsoforth Ltd | Cardiff | 2021 |
| Andsome Ltd | Beckenham | 2016 |
| Andsqft Real Estate Limited | London | 2022 |
| Andstrat (NO. 156) Limited | Lochwinnoch | 2002 |
| Andstrat (NO. 175) Limited | Edinburgh | 2003 |
| Andstrat Nominees Limited | Edinburgh | 2014 |
| Andstrom Consulting Ltd. | Putney | 1999 |
| Andsug Limited | Woking | 2018 |
| Andsus Limited | Larkhall | 2024 |
| Andswarian Ltd | London | 2026 |
| Andt Inspection Services Ltd | Yarm | 2022 |
| Andt Plus Ltd | Gloucester | 2025 |
| Andtax Limited | Colchester | 2017 |
| Andtech Limited | Winchester | 2023 |
| Andud Solutions Limited | Northwich | 2018 |
| Andullas Consultancy Services Ltd. | London | 2014 |
| Andurand Ventures Ltd | London | 2009 |
| Andurn Road Company Limited | Plymouth | 1992 |
| Andway Servicing Ltd | Knaresborough | 2022 |
| Andwil International Ltd | Great Missenden | 2021 |
| Andwis Lifts Limited | Rotherham | 1990 |
| Andx Ltd | London | 2020 |
| Andy & Brothers Limited | London | 2011 |
| Andy & Co Accountants & Tax Consultants Limited | London | 2005 |
| Andy & Jane Littler Consultancy Ltd. | Charmouth | 2018 |
| Andy & Szerdi Limited | London | 2022 |
| Andy Algar Regeneration Consultancy Limited | Surbiton | 2024 |
| Andy Aston Ltd | Lincoln | 2019 |
| Andy at Work Limited | Marlow | 2015 |
| Andy B Consulting Ltd | Little Hadham | 2024 |
| Andy B'S Accountancy Limited | Stonehouse | 2012 |
| Andy Ballard Housing Solutions Ltd | Birmingham | 2012 |
| Andy Ballard Ltd | Birmingham | 2011 |
| Andy Barker Ltd | Porthmadog | 2013 |
| Andy Barrett Ltd | Ringwood | 2011 |
| Andy Barter Ltd | Whetstone | 2014 |
| Andy Beresford Consulting Ltd | Bristol | 2011 |
| Andy Bewick Limited | Banbury | 2017 |
| Andy Biggar Photography Limited | Whitchurch | 2016 |
| Andy Bingham Consulting Limited | Stansted | 2019 |
| Andy Bird Consulting Ltd | Cardiff | 2019 |
| Andy Bloxham Consulting Limited | Sutton Coldfield | 2025 |
| Andy Bounds Ltd | Liverpool | 2003 |