| A & L Property Management Ltd | Chigwell | 2013 |
| A & L Site Fabrications Ltd. | Glasgow | 2004 |
| A & M Garden Machinery Limited | Newton Abbot | 2019 |
| A & M Harris Nursery Limited | Newport | 2013 |
| A & M Leisure Ltd | Northampton | 2009 |
| A & M Taxis Ltd. | Edinburgh | 2002 |
| A & M Wood Traders Ltd. | Bolton | 2012 |
| A & N (EST.1982) Limited | Haslemere | 2010 |
| A & N Accountancy Limited | Haslemere | 2008 |
| A & N Accountants Limited | Haslemere | 2010 |
| A & N Accounting Services Limited | Haslemere | 2010 |
| A & N Accounting Solutions Limited | Haslemere | 2010 |
| A & N Holdings (2010) Limited | Haslemere | 2010 |
| A & N Limited | Haslemere | 2010 |
| A & P Home Improvements Ltd | Ramsgate | 2018 |
| A & P Tech Ltd | Marlow | 2018 |
| A & R 360 Ltd | Leicester | 2021 |
| A & R Pottinger Ltd | Thurso | 2023 |
| A & R Renwick Ltd. | New Stevenson | 2008 |
| A & S Design & Build Limited | Christchurch | 2006 |
| A & S Developments (Kent) Limited | Dover | 2010 |
| A & S Education (UK) Limited | Bournemouth | 2002 |
| A & S Jost (Northern Ireland) Limited | Belfast | 1991 |
| A & S Living Limited | Atherstone | 2021 |
| A & S Structures Limited | Kingswinford | 2011 |
| A & T Industry Co., Limited | Beckenham | 2011 |
| A & T Medical Solutions Limited | Cannock | 2013 |
| A & Y Stone Plant Limited | Bridgwater | 2003 |
| A 'CP' Creative Company Ltd | London | 2023 |
| A + E Vets Limited | York | 2004 |
| A 1000 Self Storage Limited | London | 2002 |
| A 2 B Distribution Limited | Colchester | 2020 |
| A 4 Thought Ltd | Redcar | 2023 |
| A a Gill Limited | London | 2011 |
| A a Medical Finance Solutions Limited | Solihull | 2009 |
| A Alexander Mechanical Ltd | Glasgow | 2011 |
| A Allsopp Limited | Mansfield | 2016 |
| A and C Investment Properties Ltd | London | 2016 |
| A B C Direct Limited | Lancashire | 2004 |
| A B Coatings Ltd | Dorking | 2022 |
| A B Credit Limited | Watford | 2002 |
| A B Croll Limited | Bolton | 2014 |
| A B Plastics Ltd | Swansea | 2011 |
| A B S Digital Limited | Bristol | 1998 |
| A B S P Holdings Ltd | London | 2021 |
| A B Service Centre Limited | Barry | 2011 |
| A B Shipping Limited | Pulborough | 1998 |
| A B Wards Limited | Wickford | 2000 |
| A Balm Ltd | London | 2019 |
| A Bell Accounting Consultancy Ltd | Rugby | 2011 |
| A Bergfors Consulting Limited | Stockport | 2018 |
| A Better Version Limited | Great Casterton | 2018 |
| A Bishop and SON Limited | Southampton | 2015 |
| A Builders Merchant Limited | Liverpool | 2008 |
| A Bull Associates Ltd | Abergavenny | 2016 |
| A C (2008) Ltd | Birmingham | 2007 |
| A C Chesters & SON Limited | Salford | 1991 |
| A C Europe Limited | London | 1991 |
| A C P Architects Limited | Stafford | 2009 |
| A C Ralph Ltd | Bridgnorth | 2004 |
| A Chapman Scaffolding Limited | Manchester | 2014 |
| A Class Bifolding Doors & Windows Ltd | Aberdare | 2020 |
| A Class Wholesales Auto Parts Co., Ltd | Beckenham | 2014 |
| A Consulting Services Ltd | Scunthorpe | 2019 |
| A Creative Place Limited | Newbury | 2014 |
| A D Billing Plumbing and Heating Ltd | Langport | 2018 |
| A D Build Holdings Limited | Halstead | 2023 |
| A D Knox Limited | Shrewsbury | 2020 |
| A D M Lim-Lo Limited | London | 2022 |
| A Deane Holdings Limited | Southampton | 2014 |
| A Different Brand (ADB) Limited | Leeds | 2020 |
| A Different Life Limited | Ascot | 2019 |
| A E Heating Services Limited | Birmingham | 2018 |
| A E L Associates Limited | Leamington Spa | 2008 |
| A E L Properties (London) Limited | Winchester | 1998 |
| A E Lloyd Asset Management Ltd. | St. Asaph | 2015 |
| A E M Lifting Limited | Newark | 2014 |
| A E Oscroft & Sons Plant Ltd | Redditch | 2010 |
| A Effendi Limited | Cleckheaton | 2025 |
| A F G Engineering Limited | Aberdare | 2012 |
| A F V Technology Limited | Cranleigh | 2010 |
| A G Mechanic's Ltd | Perth | 2021 |
| A G Slating & Building Ltd | Aberdeen | 2013 |
| A G Stone Limited | Swindon | 2013 |
| A G Systems Limited | Sheffield | 1995 |
| A Gallery Ltd | Wallingford | 2014 |
| A Good Sign Limited | Bedfordshire | 2007 |
| A Good Sport Limited | Horley | 2005 |
| A Grade Fencing Limited | Ramsgate | 2018 |
| A Green Management Ltd | Glasgow | 2012 |
| A H Stone Management Ltd | Basingstoke | 2017 |
| A H T Properties Ltd | Ayr | 2018 |
| A Healing Within Ltd | Bristol | 2023 |
| A Hint of Lemon Ltd | Hassocks | 2017 |
| A Hogarth Ltd | Pudsey | 2022 |
| A I Productions Limited | Stanmore | 2017 |
| A I Williams Ltd | Abergele | 2009 |
| A J Griffiths Limited | Bromyard | 2009 |
| A J Hardware Limited | Luton | 2002 |
| A J Lloyd Asset Management Ltd. | Rhyl | 2019 |