| A S Harries Probate Services Limited | Haverfordwest | 2021 |
| A S Innovate Designs Ltd | Leeds | 2025 |
| A S Islam Limited | Birmingham | 2025 |
| A S Jenkinson Financial Consultants Limited | Ashton-Under-Lyne | 2016 |
| A S Johal Limited | Coventry | 2015 |
| A S Lall Legal Consultants Ltd | Slough | 2014 |
| A S Logie Services Limited | Leamington Spa | 2019 |
| A S M Integrated Consultancy Ltd | Aberdeen | 2020 |
| A S Marsh Ltd | Chichester | 2020 |
| A S Media Ltd | Lichfield | 2023 |
| A S Miles Consulting Limited | Nuneaton, | 2015 |
| A S Miles Quality and Standards Limited | Nuneaton | 2025 |
| A S Murray Consulting Limited | Hove | 2020 |
| A S Nisa Trading Limited | Ipswich | 2013 |
| A S Oberoi Limited | Harrow | 2023 |
| A S People Solutions Limited | Wimborne | 2008 |
| A S Planning Limited | Maidstone | 2003 |
| A S Prosser Ltd | Huddersfield | 2025 |
| A S Reporting Ltd | Inverness | 2012 |
| A S Rhode Consultancy Ltd | Maghull | 2025 |
| A S Solutions London Ltd | London | 2022 |
| A S Splendid Interiors Limited | Braintree | 2025 |
| A S Surveyors Limited | Keighley | 2024 |
| A S T S (South East) Limited | Ilford | 2005 |
| A S Taxation Limited | Surrey | 2005 |
| A S Treasury Consultancy Ltd | Berkhamsted | 2023 |
| A S Utilities UK Limited | Selby | 2017 |
| A S W Advisory Limited | Norwich | 2025 |
| A S Walls Limited | Melrose | 2007 |
| A S Z Enterprise Ltd | Bradford | 2015 |
| A Sales Consultancy Limited | Manchester | 2024 |
| A Saydi Consultancy Ltd | Milton Keynes | 2021 |
| A Schaer Consulting Limited | Bromley | 2023 |
| A Schofield Aero Consultancy Ltd | Fleetwood | 2022 |
| A Secker Consulting Ltd | London | 2025 |
| A Select FEW Ltd | London | 2025 |
| A SET UP Ltd | London | 2026 |
| A Shaabani Ltd | London | 2024 |
| A Shah Optical Ltd | Brentwood | 2019 |
| A Shah Pharm Limited | Milton Keynes | 2024 |
| A Shahani Ltd | London | 2019 |
| A Shahid Engineering Limited | Luton | 2013 |
| A Sharma Consultancy Limited | Leeds | 2015 |
| A Shaw & Co. Limited | Teddington | 2010 |
| A Shaw Engineering Limited | Ulverston | 2014 |
| A Sheraz & Co Ltd | Glasgow | 2023 |
| A Sherling Limited | Berkhamsted | 2023 |
| A Short Logistics Solutions Ltd | Antrim | 2020 |
| A Shot in the Dark Limited | Nottingham | 2002 |
| A Shuff Civils Limited | Uttoxeter | 2014 |
| A SHY Girl Social Ltd | London | 2026 |
| A Sidhu Limited | Hayes | 2026 |
| A Silver Services Ltd | Radlett | 2016 |
| A Silvester Ltd | Birmingham | 2007 |
| A Simmons Consulting Limited | London | 2024 |
| A Simon AFA Mipa Fabrp Limited | London | 2011 |
| A Simple Solution Limited | Kingswinford | 2002 |
| A Simpson Accounting Ltd | Fowey | 2025 |
| A Simpson Consulting Ltd | Hexham | 2011 |
| A Simpson Telecoms Limited | Ormskirk | 2014 |
| A Singh Private Limited | Southampton | 2025 |
| A Sky Legal Ltd | London | 2023 |
| A Skyrme Consultancy Ltd | Swindon | 2023 |
| A Sleeth Ltd | Crewe | 2014 |
| A Small Studio Design Ltd | Glasgow | 2023 |
| A Small Studio Ltd | London | 2010 |
| A Small Victory Consulting Ltd | Woking | 2023 |
| A Smart Change Ltd | Hemel Hempstead | 2023 |
| A Smart Solution Ltd | Chester | 2009 |
| A Smith Accountants Limited | Tenbury Wells | 2022 |
| A Smith Inspection Services Limited | Stockton-On-Tees | 2018 |
| A Smith Projects Ltd | Darlington | 2019 |
| A Snelling Consultancy Limited | St Margarets | 2012 |
| A Sound Move Ltd | London | 2025 |
| A Space Architects Limited | Hull | 2009 |
| A Space Build Limited | Hull | 2015 |
| A Space Designs Limited | Barnet | 2015 |
| A Space With-In Ltd | Newcastle Upon Tyne | 2013 |
| A Square Digital Marketing Ltd | St. Alban'S | 2025 |
| A Square TV Ltd | Waterlooville | 2021 |
| A Square Virtual Designs Ltd | London | 2021 |
| A Squared Advisory Ltd | Solihull | 2025 |
| A Squared Architects Limited | Norwich | 2017 |
| A Squared Business Solutions Limited | London | 2024 |
| A Squared Commercial Services Ltd | London | 2024 |
| A Squared Consultants Ltd | London | 2020 |
| A Squared Studio Ltd | Leigh-On-Sea | 2006 |
| A Stallabrass Ltd | Brighton | 2020 |
| A Stanton Design Ltd | Hoddesdon | 2015 |
| A Star Accountancy Ltd | Sidcup | 2009 |
| A Star Accounting Services Ltd | Windsor | 2011 |
| A Star BIZ Solutions Ltd | Cobham | 2021 |
| A Star Compliance Services Limited | Bishop'S Stortford | 2022 |
| A Star Copy + Branding Ltd | London | 2021 |
| A Star Dog Training Ltd | Newcastle Upon Tyne | 2023 |
| A Star Electrical Services Limited | Bristol | 2015 |
| A Star Foods Limited | Pinner | 2013 |
| A Star Legal Consultancy Ltd | Middlesbrough | 2023 |
| A Star Limited | Coventry | 2006 |
| A Star Professional Valeting Services Limited | Telford | 2008 |