| Andrew S Consulting Ltd | Folkestone | 2019 |
| Andrew S Jones Solutions Limited | Swansea | 2015 |
| Andrew S. Clark & Company. Limited | Livingston | 1930 |
| Andrew Salter Consulting Limited | Haslemere | 2017 |
| Andrew Sangster Services Limited | 915 High Road | 2009 |
| Andrew Saunders Engineering Ltd | Tunbridge Wells | 2016 |
| Andrew Schofield Limited | Littleborough | 2003 |
| Andrew Scott Consultancy Limited | London Colney | 2010 |
| Andrew Scott Frazer Ltd | Southport | 2006 |
| Andrew Scott Training Consultancy Ltd | Penrith | 2011 |
| Andrew Scutts Ltd | London | 2021 |
| Andrew Seed Accountancy Ltd | Lytham St Annes | 2011 |
| Andrew Seldon Consultancy Ltd | Altrincham | 2024 |
| Andrew Sellick Consulting Ltd | Knutsford | 2023 |
| Andrew Shanks IP Limited | St. Andrews | 2018 |
| Andrew Shapiro Coaching Limited | Liss | 2020 |
| Andrew Sharp Antique Restoration Ltd | Brockenhurst | 2001 |
| Andrew Shepherd & Sons Limited | Forfar | 2003 |
| Andrew Sherman Executive Coaching Limited | London | 2023 |
| Andrew Sibree Consulting Limited | Melton Mowbray | 2013 |
| Andrew Silcock Limited | Stalybridge | 2024 |
| Andrew Silverbeck Limited | London | 2015 |
| Andrew Simmonds Consulting Limited | Wallasey | 2014 |
| Andrew Simpson Planning Limited | Worthing | 2019 |
| Andrew Smith & SON (Winchester Auction Rooms) Limited | Winchester | 2010 |
| Andrew Smith Bookkeeping Services Ltd | Northampton | 2009 |
| Andrew Smith Commercial Practice Limited | Witney | 2008 |
| Andrew Smith Consultancy Limited | Norwich | 2007 |
| Andrew Smith Design Ltd | Bradfield | 2006 |
| Andrew Smith Engineering Ltd | Warrington | 2022 |
| Andrew Smith Marketing Ltd | Cowbridge | 2019 |
| Andrew Smith OIL and GAS Ltd | Bridgend | 2015 |
| Andrew Southey Architect Limited | Leeds | 2020 |
| Andrew Spall Interim Ltd | Stamford | 2023 |
| Andrew Spence Health, Safety & Risk Consultancy Ltd | Northallerton | 2018 |
| Andrew Spenceley Consultancy Limited | Saltburn-By-The-Sea | 2023 |
| Andrew Spencer Associates Ltd | Portsmouth | 2018 |
| Andrew Spowage Limited | Nottingham | 2006 |
| Andrew Spring & Associates Ltd | South Brent | 2025 |
| Andrew Stagg Consultancy Ltd | Plymouth | 2026 |
| Andrew Stammers Construction Consultancy Ltd | Bexleyheath | 2016 |
| Andrew Starkey Ltd | Liverpool | 2023 |
| Andrew Steale Limited | London | 2004 |
| Andrew Steel Ltd | Glasgow | 2011 |
| Andrew Steele Consulting Ltd | Barnet | 2015 |
| Andrew Steele Media Limited | Mill Hill | 2017 |
| Andrew Stephenson Advisory Limited | Colyton | 2014 |
| Andrew Stern Communications Limited | Richmond | 2025 |
| Andrew Stevenson Associates Limited | Great Dunmow | 2003 |
| Andrew Stilton Limited | Kidderminster | 2014 |
| Andrew Stockmarr Ltd | Clacton-On-Sea | 2017 |
| Andrew Stone Architect Limited | Dorchester | 2006 |
| Andrew Storch Solicitors Ltd | Reading | 2016 |
| Andrew Stout Limited | Newark | 2009 |
| Andrew Street Wealth Management Limited | Hungerford | 2016 |
| Andrew Suggit Limited | London | 2015 |
| Andrew Swan Law Limited | North Shields | 2022 |
| Andrew Swinton Limited | North Yorkshire | 2004 |
| Andrew Syer Limited | London | 2008 |
| Andrew Sykes Micro-Electronics Consultants Limited | East Sussex | 1986 |
| Andrew Taberner Architects Ltd | Bath | 2025 |
| Andrew Tait Limited | London | 2018 |
| Andrew Targett Business Consultancy Ltd | Hereford | 2020 |
| Andrew Taylor Consulting Ltd | Newcastle Upon Tyne | 2026 |
| Andrew Taylor Design Ltd | Cambridge | 2017 |
| Andrew Taylor Quantity Surveying Ltd | Scarborough | 2014 |
| Andrew Templeman Limited | London | 2012 |
| Andrew Terence Rourke Ltd | Ashton-Under-Lyne | 2024 |
| Andrew Thackray Limited | Leeds | 2023 |
| Andrew Thomas Accountancy Limited | Scunthorpe | 2007 |
| Andrew Thomas Consultancy Ltd | Abertawe | 2026 |
| Andrew Thomas James Ltd | Rostrevor | 2019 |
| Andrew Thurley Consulting Ltd | Dartmouth | 2025 |
| Andrew Tilan & Associates Ltd | Cannock | 2013 |
| Andrew Timms Consultancy Limited | London | 2017 |
| Andrew Toczek Ltd | Shipley | 2012 |
| Andrew Todd Ltd | Fleetwood | 2012 |
| Andrew Tomenson Consulting Ltd | Northwich | 2026 |
| Andrew Tonge Consultancy Limited | Salford | 2022 |
| Andrew Topping Private Clients Limited | Hull | 2017 |
| Andrew Townend Limited | Wells | 2015 |
| Andrew Trading Limited | Liverpool | 2018 |
| Andrew Trippett Ltd | Middlesbrough | 2026 |
| Andrew Turner & Co Limited | Harefield | 2014 |
| Andrew Turner Engineering Ltd | Haywards Heath | 2022 |
| Andrew Turner PR Ltd | Preston | 2014 |
| Andrew Turvey Solutions Limited | Bishop'S Stortford | 2020 |
| Andrew Twigg & Associates Limited | Hinckley | 2003 |
| Andrew Urwin Ltd | London | 2019 |
| Andrew Venning Ltd | Totnes | 2019 |
| Andrew Verdun Harrison Consulting Limited | Spilsby | 2015 |
| Andrew Vowles Studio Limited | London | 2014 |
| Andrew Vrettos Wealth Management Ltd | Broadstone | 2015 |
| Andrew W Engineering Ltd | Liverpool | 2021 |
| Andrew Wackett Associates Ltd | Taunton | 2003 |
| Andrew Waide Associates Ltd | Beverley | 2008 |
| Andrew Wales Learning and Organisational Development Limited | Manchester | 2024 |
| Andrew Wall Photography Ltd | Macclesfield | 2023 |
| Andrew Wallace Architects Limited | Manchester | 2011 |
| Andrew Waller Engineering Ltd | Crewe | 2012 |