| Allsports Trophies Limited | Abingdon | 2003 |
| Allstar Aviation Ltd | Warrington | 2023 |
| Allstar Embroidery Ltd | Mill Hill, London | 2026 |
| Allstar Hydraulics Ltd | Romford | 2019 |
| Allstar Joinery Ltd | Glasgow | 2009 |
| Allstar Marine Services Co., Ltd | Kington | 2025 |
| Allstar Picture Library Limited | Scarborough | 2000 |
| Allstar Services Limited | Harrow | 1984 |
| Allsteel Engineering Ltd | Stoke-On-Trent | 2019 |
| Allsteel Ltd | Grantham | 2024 |
| Allsteel Projects Limited | Leeds | 2018 |
| Allstick Signs & Print Limited | Brierley Hill | 2003 |
| Allstone (SW) Limited | Cardiff | 2014 |
| Allstone Group Ltd | Presteigne | 2020 |
| Allstyles Upholstery Limited | Worthing | 2004 |
| Allt Solutions Ltd | Irvine | 2018 |
| Alltac Labels Ltd | Huntingdon | 2024 |
| Alltec Network Ltd. | Royston | 2011 |
| Alltech Door Systems Limited | Hull | 2017 |
| Alltech Farming Solutions (UK) Limited | Stamford | 2016 |
| Alltech Office Solutions Limited | Huntingdon | 2022 |
| Alltech Signs and Graphics Limited | Leighton Buzzard | 2005 |
| Alltex Limited | Adlington | 1994 |
| Allthe Ltd | Chorley | 2023 |
| Alltimesembroider Ltd | Wolverhampton | 2026 |
| Alltimesembroidery Ltd | Wolverhampton | 2025 |
| Allton Warping Limited | Mansfield | 1997 |
| Alltradefinder Ltd | Skelmersdale | 2020 |
| Alltrista Plastics Limited | Christchurch | 2000 |
| Alltronics Limited | Southend On Sea | 2000 |
| Alltruck Crane Repairs & Sales Ltd | Grangemouth | 2014 |
| Alltrucks (Aberdeen) Ltd | Inverurie | 2011 |
| Alltrux Mixers Ltd | Leeds | 2007 |
| Alltube Engineering Limited | Kidderminster | 2007 |
| Alltype Fencing Co. Limited | Salisbury, | 1979 |
| Allude Manufacturing Limited | London | 2024 |
| Alluguard Limited | Lancaster | 2010 |
| Allume Energy (UK) Ltd | London | 2022 |
| Allumer Solutions Limited | Wolverhampton | 2023 |
| Allums Jewellers Ltd | Lichfield | 2004 |
| Allumy Golf Limited | Nottingham | 2022 |
| Allure Blinds Ltd | Twickenham | 2021 |
| Allure Calcio Limited | Haywards Heath | 2021 |
| Allure Corporate Ltd | London | 2025 |
| Allure DEVCO1 Limited | Co. Durham | 2022 |
| Allure Developments Limited | County Durham | 1990 |
| Allure Home Improvements Ltd | Glasgow | 2021 |
| Allure Jewellers Ltd | Sutton | 2019 |
| Allure Scents Limited | Stoke-On-Trent | 2023 |
| Allure Studios London Limited | London | 2025 |
| Allure Trading Limited | County Durham | 2022 |
| Alluviana Limited | Birmingham | 2025 |
| Allvent Limited | Birmingham | 1984 |
| Allviro Ltd | London | 2024 |
| Allway Car Care (Romford) Ltd | London | 2014 |
| Allways Forktruck Services Limited | Derby | 1997 |
| Allways Media Limited | London | 2013 |
| Allweigh Scales Limited | Daventry | 2011 |
| Allweld (Wales) Limited | Cardiff | 2007 |
| Allwood Carpentry and Joinery Ltd | Dunstable | 2018 |
| Allwood Engineering Solutions Ltd | Cardiff | 2026 |
| Allwood Joiners Ltd | Dudley | 2005 |
| Allwood Machinery Essex Limited | Maldon | 1997 |
| Allwood Pallets Ltd | Liverpool | 2007 |
| Allwood Windows & Doors Limited | West Horsley | 2019 |
| Ally Doors Limited | Bradford | 2014 |
| Ally MAC Limited | London | 2013 |
| Ally MAC Mechanical Services Ltd | Dumbarton | 2014 |
| Ally Pharmaceuticals Ltd | London | 2024 |
| Allyson Mcdermott Collections Limited | Cockermouth | 2021 |
| Allyson Thomas Limited | Birmingham | 2017 |
| ALM Carpentry Limited | Norwich | 2008 |
| ALM Construction Joiners Ltd | Hayes | 2022 |
| ALM Engineering Ltd | Telford | 2023 |
| ALM Fabrications Limited | Rochdale | 2016 |
| ALM Gold Trading Limited | Southall | 2021 |
| ALM Manufacturing Limited | Knaresborough | 1996 |
| ALM Marine Ltd | Shetland | 2023 |
| ALM Meat & Poultry Traders Limited | Manchester | 2024 |
| ALM Sheet Metal and Fabrication Ltd | Tring | 2022 |
| ALM White Gables Ltd. | Beverley | 2017 |
| Alma Accident Repair Center Limited | Dukinfield | 2013 |
| Alma Apothecary Ltd | Mayfair | 2026 |
| Alma Bakery Ltd | Coventry | 2025 |
| Alma Beds Ltd | Batley | 2026 |
| Alma Botanica Limited | London | 2025 |
| Alma Cacao Ltd | Gateshead | 2024 |
| Alma Controls Ltd | Kingswinford | 2023 |
| Alma DEL SOL Ltd | Coventry | 2020 |
| Alma Engineering Co. Limited | Milton Keynes | 1982 |
| Alma Engineering Xcel Limited | Essex | 2022 |
| Alma Foam Converters Limited | Kington | 2013 |
| Alma Global Trading Limited | London | 2026 |
| Alma Marble Company Limited | Huddersfield | 2011 |
| Alma Medical Products Ltd | Milford Haven | 2021 |
| Alma Norte Ltd | Mildenhall | 2026 |
| Alma Products Limited | St. Helens | 1982 |
| Alma Sheet Metal Ltd | Macclesfield | 1985 |
| Alma Textiles Limited | Tamworth | 1991 |
| Alma Thermal Insulation Ltd | Wickford | 2018 |