| Alan J Gilby Creative Ltd | Bournemouth | 2024 |
| Alan J Ostridge Holdings Limited | Chelmsford | 2019 |
| Alan J Rance Limited | Beds | 2007 |
| Alan J Rodger Ltd | Stirling | 2025 |
| Alan J Smith Limited | Leighton Buzzard | 2023 |
| Alan J Stewart Ltd | Glasgow | 2013 |
| Alan Jackson Design Ltd | Coleraine | 2014 |
| Alan Jacobs Mediation Ltd | Sheffield | 2019 |
| Alan James & Associates Limited | Shepperton | 2011 |
| Alan Jeans Veterinary Services Limited | Girvan | 2003 |
| Alan Johnson Accountancy Ltd | Chelmsford | 2003 |
| Alan Johnson Books Ltd | Adlingfleet | 2016 |
| Alan Johnston Partnership Limited | Liverpool | 2021 |
| Alan Jones & Associates Ltd | Monmouth | 2006 |
| Alan Jones Architects Limited | Antrim | 2002 |
| Alan Jones Limited | Walsall | 2010 |
| Alan Keith Giddins Limited | Troon | 2024 |
| Alan Law Consultancy Limited | Westhill | 2024 |
| Alan Law Ltd | London | 2026 |
| Alan Lawrence Ltd | Stockport | 2021 |
| Alan Leach Limited | Crediton | 2012 |
| Alan Leather Associates Limited | Par | 2003 |
| Alan Lewis Ltd | Shrewsbury | 2012 |
| Alan Lingley Inspections Limited | Colchester | 2007 |
| Alan Lowe Heating Services Ltd | Swadlincote | 2021 |
| Alan Ludewig Consulting Ltd | Bridgwater | 2020 |
| Alan M Hill Limited | Sunderland | 2012 |
| Alan MAC Mech Ltd | Hartlepool | 2026 |
| Alan Marsh (Taxation) Ltd | Bridgend | 2002 |
| Alan Martin Design Ltd | Belfast | 2016 |
| Alan Martin Engineering Limited | Newmarket | 2017 |
| Alan Mathers Plant Limited | Croydon | 2015 |
| Alan Mcfetridge Photography Ltd | London | 2012 |
| Alan Mcgarvie Ltd | Hamilton | 2011 |
| Alan Mcgonigle (Draughting & Technical Services) Limited | Inverclyde | 1989 |
| Alan Mcgowan Architects Limited | Nottingham | 2004 |
| Alan Mcguinness Enterprises Limited | Inverurie | 2012 |
| Alan Mcritchie Limited | Buckie | 2007 |
| Alan Michael Baxter Consulting Limited | Biggleswade | 2025 |
| Alan Mills Consulting Limited | Tenterden | 2005 |
| Alan Minshall Accountants Ltd | Brockenhurst | 2004 |
| Alan Mitchell Engineering Services Limited | Oldham | 2014 |
| Alan Morgan Ltd | Witney | 2018 |
| Alan Morton Management Services Limited | Kent | 1997 |
| Alan Mottram Engineering Services Limited | Stockport | 2006 |
| Alan Moulsdale Limited | Carnforth | 2002 |
| Alan Mumby Limited | Marlborough | 2018 |
| Alan Murray Prodrive Ltd | Watford | 2025 |
| Alan Naylor Consultancy Limited | Cambridge | 2009 |
| Alan Neal Consulting Ltd | Goole | 2026 |
| Alan Newland & Co Limited | Pontypridd | 2008 |
| Alan Nieki Consulting Ltd | London | 2020 |
| Alan Nuttall Trustees Limited | Hinckley | 2015 |
| Alan P Brown & Co Limited | Stockton-On-Tees | 2014 |
| Alan Parkin Engineering Ltd | Lincoln | 2018 |
| Alan Patient & Co Limited | London | 2013 |
| Alan Paton Consultancy Ltd | Bathgate | 2021 |
| Alan Paver Limited | Penzance | 2020 |
| Alan Pears Validation Limited | Shepton Mallet | 2020 |
| Alan Pither Limited | Turners Hill Road Craven Arms | 2002 |
| Alan Porter Consulting Limited | Glasgow | 2022 |
| Alan Potter Surveying Limited | Sunderland | 2009 |
| Alan Power Architects Limited | London | 1998 |
| Alan Pughsley Associates Limited | London | 2023 |
| Alan Reynolds & Company Limited | Wokingham | 1983 |
| Alan Reynolds Associates Limited | Ilkley | 2002 |
| Alan Rigby Associates Limited | Chesham | 2011 |
| Alan Rodger Associates Ltd | Helensburgh | 2019 |
| Alan Rosenthal & Co. Limited | London | 1989 |
| Alan Ruiz Photography Ltd | Kinross | 2024 |
| Alan Rutherford Wealth Management Limited | Westhill | 2013 |
| Alan S Global Coaching Ltd | London | 2025 |
| Alan S Investments | Basildon | 2025 |
| Alan Sargent Consultancy Limited | Arundel | 2016 |
| Alan Scott Consulting Limited | Lytham St. Annes | 2011 |
| Alan Scott Engineering Services Ltd. | Kilmarnock | 2005 |
| Alan Sharp Associates Limited | Guildford | 2011 |
| Alan Sherliker Training Ltd | Manchester | 2010 |
| Alan Sherwood Associates Limited | Winchester | 2014 |
| Alan Slater 68 Limited | Elgin | 2026 |
| Alan Somerville Ltd | Edinburgh | 2025 |
| Alan Southerby Planning Ltd | Builth Wells | 2019 |
| Alan ST Joseph- Digital Marketing Executive Ltd | London | 2024 |
| Alan Stanton & Co Ltd | Benfleet | 2010 |
| Alan Stephens Associates Limited | Birmingham | 1988 |
| Alan Stevenson Associates Limited | Lewes | 2002 |
| Alan Sullivan Consultancy Services (Ascs) Ltd | Bognor Regis | 2019 |
| Alan Sutherland Limited | Coventry | 2016 |
| Alan Sutton Publishing Limited | Cirencester | 2013 |
| Alan T Martin Ltd | London | 2026 |
| Alan T. Brown Limited | Bridgend | 1980 |
| Alan Tang Ltd | Derby | 2023 |
| Alan Thompson Energy Consulting Limited | Ipswich | 2014 |
| Alan Thorne Consulting Services Limited | Ely | 2026 |
| Alan Thornton Limited | London | 2022 |
| Alan Titchmarsh Limited | Oxford | 1987 |
| Alan Traynor Consulting Ltd | Lisnaskea | 2013 |
| Alan Twite Limited | Bury St. Edmunds | 1998 |
| Alan Tyler and Associates Ltd | Bucks | 2008 |
| Alan Vaughan Accountancy Ltd | | 1998 |