| A.B.E.R Investments Limited | Nottingham | 2025 |
| A.B.M. Catering Limited | Warwick | 2001 |
| A.B.M.K Ltd | Croydon | 2026 |
| A.B.V Bars Limited | Canterbury | 2004 |
| A.B1 Sunderland Ltd | Sunderland | 2019 |
| A.Bancroft & Sons(Hull)Limited | Hull | 1935 |
| A.C Evolve Ltd | Romford | 2025 |
| A.C.&Co Developments Ltd | Stevenage | 2023 |
| A.D's Sports Bar Ltd | Deal | 2023 |
| A.D. Global Company Limited | London | 2003 |
| A.D.A Services Ltd | Luton | 2022 |
| A.D.D. Fisheries Ltd | Pontefract | 2024 |
| A.D.D. Restaurant & Bar Ltd | Sheffield | 2018 |
| A.E.M Property Ltd | Cardiff | 2024 |
| A.E.S Enterprises Ltd | Craigavon | 2019 |
| A.Events Hire Ltd | Dunstable | 2020 |
| A.F Lounge Ltd | Plymouth | 2025 |
| A.F.D. Catering Limited | Maidenhead | 2005 |
| A.F.R. Degouveia Co. Limited | Norfolk | 1974 |
| A.F.Reginiano Limited | Wandsworth | 1961 |
| A.F.S Glasgow Ltd | Glasgow | 2018 |
| A.F.S. Consulting Limited | Macclesfield | 1997 |
| A.Feather & Co.Limited | West Drayton | 1956 |
| A.G Tavern Ltd | Huddersfield | 2023 |
| A.G. Cowan Limited | Glasgow | 1971 |
| A.G. Higginson and Sons Limited | Nottingham | 1978 |
| A.G. Social Care Limited | London | 2006 |
| A.G.A. Catering Limited | Ormskirk | 2010 |
| A.G.B Crewe Ltd | Crewe | 2025 |
| A.G.C. Ltd | Nottingham | 2003 |
| A.G.E. & Co. Company Limited | London | 2021 |
| A.G.G Events Planning Limited | Coventry | 2024 |
| A.G.G's World Limited | Coventry | 2012 |
| A.G.H. Entertainment Limited | Alloa | 2024 |
| A.G.M. Hotels Limited | London | 1994 |
| A.G.O. Hospitality Ltd | Penzance | 2021 |
| A.G.S Govan Ltd | Glasgow | 2025 |
| A.G.Y. Tasty Food Ltd | Mold | 2022 |
| A.H. Wright Consulting Limited | Chelmsford | 2016 |
| A.H.A & Ltd | Falkirk | 2023 |
| A.H.G Sheff Ltd | Rotherham | 2022 |
| A.I Kitchen 1 Ltd | Accrington | 2025 |
| A.I. Takeaway Ltd | Oldham | 2017 |
| A.I.A Banqueting Ltd | Bradford | 2020 |
| A.I.R Creative Events Limited | Larbert | 2025 |
| A.I.R Grill House Limited | Plymouth | 2019 |
| A.I.U.H Group Ltd | Staines-Upon-Thames | 2018 |
| A.J Takeway Ltd | Wallingford | 2023 |
| A.J's Crepes Limited | Brecon | 2021 |
| A.J.BROWN22 Ltd | Wigan | 2022 |
| A.J.S.O Limited | London | 2024 |
| A.J.T. Homes Ltd | Rotherwas | 2014 |
| A.J.Woodward & Sons Limited | Tewkesbury | 1925 |
| A.L.B.M.A Limited | Gravesend | 2025 |
| A.L.Gladwin Ltd | Chesterfield | 2019 |
| A.L.M Bedford Ltd | Bedford | 2023 |
| A.L.S. Hotels Limited | London | 2011 |
| A.Lawson Ltd | Wakefield | 2017 |
| A.M Carousel Limited | Whitstable | 2024 |
| A.M Coffee Time Ltd | Plymouth | 2025 |
| A.M Events & Management Ltd | Bradford | 2025 |
| A.M Trading &Services Ltd | London | 2018 |
| A.M. Barella Limited | London | 2014 |
| A.M.G. Fishbar Limited | Warrington | 2018 |
| A.M.G.K. Investments Ltd. | Birmingham | 2002 |
| A.M.Innovative Strivers Ltd | London | 2024 |
| A.M.L. Leisure Limited | Cardiff | 2007 |
| A.M.R Foodz Ltd | Slough | 2025 |
| A.M.Sheer Ltd | Rickmansworth | 2023 |
| A.M.U Desserts Ltd | Heywood | 2021 |
| A.M.Wandsworth Limited | London | 2012 |
| A.Mesa Ltd | London | 2024 |
| A.Mina Management Ltd | London | 2021 |
| A.N Food Takeaway Ltd | London | 2025 |
| A.N. Greek Restaurant Ltd | London | 2019 |
| A.N.A. Rents Ltd | London | 2022 |
| A.O Krispy Limited | Halifax | 2026 |
| A.O.K Kitchen (Marylebone) Limited | London | 2017 |
| A.P&J Food Ltd | Worthing | 2025 |
| A.P.Chef Limited | Newquay | 2025 |
| A.P.K Fast Food Ltd | Wrexham | 2024 |
| A.P.M Stoke Ltd | Stoke On Trent | 2023 |
| A.P.R.G Limited | Waltham Abbey | 2026 |
| A.P.S.K Ltd | Portsmouth | 2025 |
| A.P.Tyne&Wear Ltd Limited | Sunderland | 2024 |
| A.Q Times & Co. Limited | Morden | 2007 |
| A.R Edinburgh Properties Ltd | Edinburgh | 2025 |
| A.R Saya Limited | Crowthorne | 2026 |
| A.R. Duffy Limited | Barnsley | 2010 |
| A.R.H. Catering Limited | Crosskeys | 2019 |
| A.R.J. Butchers (Shaws) Limited | Warrington | 1977 |
| A.R.K Catering Ltd | Ilford | 2023 |
| A.R.K. Rental Company Limited | Penrith | 1997 |
| A.R.Khan Limited | Norwich | 2017 |
| A.R.R.T Homes Ltd | Birmingham | 2024 |
| A.R.T Group of Pizza Ltd | Horley | 2025 |
| A.Rahman Limited | London | 2025 |
| A.S Sons Ltd. | London | 2015 |
| A.S. (Weymouth) Limited | Weymouth | 2008 |
| A.S. Agriservices Limited | Northamptonshire | 2003 |