| A&A Jewellers Ltd | Birmingham | 2024 |
| A&A Knitwear Limited | Manchester | 2024 |
| A&A Lighting Ltd | London | 2025 |
| A&A Motors (London) Ltd | Harrow | 2017 |
| A&A Motorsport Fabrications Ltd. | Tonbridge | 2017 |
| A&A Prepare Ltd | Chichester | 2017 |
| A&A Technical Solutions Ltd. | Birmingham | 2017 |
| A&A Wood Flooring Ltd | London | 2024 |
| A&Angel Ltd | London | 2022 |
| A&B Auto Paint Panel Repairs Limited | Birkenhead | 2015 |
| A&B Cooling Limited | London | 2024 |
| A&B Fabrication & Welding Contracting Services Ltd | Alfreton | 2020 |
| A&B Glazing Ltd | Southall | 2025 |
| A&B London Catering Repair Ltd | London | 2020 |
| A&B Refurbishments Ltd | Bristol | 2024 |
| A&C Jewellery Ltd | Wood Green | 2020 |
| A&C Joinery Ltd | St. Helens | 2020 |
| A&C Logistik Ltd | Edgware | 2022 |
| A&C Powder Coating Ltd | London | 2017 |
| A&C Smart Services Ltd | Watford | 2024 |
| A&Co Bespoke Ltd | Rainham | 2025 |
| A&D Bespoke Ltd | Leicester | 2008 |
| A&D Motor Clinic Ltd | West Calder | 2021 |
| A&D Partners Ltd | Worcester | 2021 |
| A&E Cool Tech Ltd | London | 2020 |
| A&E Forrest CNC Patternmakers Ltd | Motherwell | 2012 |
| A&E Gütermann (UK) Limited | Edinburgh | 1931 |
| A&E Seafoods Co., Limited | Cambridge | 2025 |
| A&E Sharman Limited | Leeswood | 2001 |
| A&F Brothers Ltd | Manchester | 2025 |
| A&F Fire Sprinkler Protection Limited | Margate | 2024 |
| A&Fhomeimprovements Ltd | Wellingborough | 2025 |
| A&G Caravan Service and Repair Ltd | Waterlooville | 2021 |
| A&G Marine Carpentry Ltd | Poole | 2022 |
| A&G Mchardy Limited | Glasgow | 2012 |
| A&G Procurement Group Limited | United Kingdom | 2021 |
| A&G Ventures Limited | London | 2025 |
| A&G Video Editor Limited | Birkenhead | 2024 |
| A&G Welding & Fabrication Ltd | Liverpool | 2022 |
| A&H Blinds (London) Limited | High Wycombe | 2023 |
| A&H Export Agent Ltd | Bristol | 2020 |
| A&H Jones & Co. Limited | Leamington Spa | 2015 |
| A&H Kitchen and Bedrooms Ltd | London | 2026 |
| A&H Metal Works Limited | Wembley | 2023 |
| A&H One Designs Ltd | London | 2024 |
| A&H Timber Products Ltd | Cowes | 2018 |
| A&H Trading (Leicester) Ltd | Nottingham | 2014 |
| A&H Welding Services Limited | Redruth | 2009 |
| A&I Fabrication Ltd | Bude | 2018 |
| A&I Trailers Limited | Skelmersdale | 2011 |
| A&J Capital Investments Limited | Harrow | 2021 |
| A&J Concrete and Screed Ltd | Birmingham | 2025 |
| A&J Engineering Services Ltd | London | 2010 |
| A&J Food Production Ltd | Tamworth | 2022 |
| A&J Granite Solutions Ltd | Nottingham | 2007 |
| A&J Interiors Ltd | Leicester | 2022 |
| A&J Joinery Limited | London | 2016 |
| A&J Metal Fabrications Limited | Leeds | 2014 |
| A&J Pharma Ltd | Burnham | 2023 |
| A&J Reborn Furniture Ltd | Littlehampton | 2021 |
| A&K Beds Limited | Dewsbury | 2021 |
| A&K Electronics Ltd | London | 2024 |
| A&K Fluidtech Limited | Willenhall | 2009 |
| A&K House of Taste Ltd | Sunderland | 2025 |
| A&L Creative Ltd | Bangor | 2021 |
| A&L Meat Limited | Stockport | 2024 |
| A&L Systems Ltd | Romford | 2025 |
| A&L Technics Ltd | Cambridge | 2025 |
| A&L UK Trading Ltd | London | 2017 |
| A&M Bakery Limited | Dagenham | 2024 |
| A&M Creative Sign Management Limited | Hull | 2007 |
| A&M Energy Fires Ltd | Gloucester | 2020 |
| A&M Fast Freeze Ltd | Birmingham | 2023 |
| A&M Group Marine Ltd | Cardiff | 2025 |
| A&M Heritage Outdoor Retreats Ltd | Dudley | 2024 |
| A&M Home Appliances Ltd | Manchester | 2024 |
| A&M Mital Construction Ltd | Hornchurch | 2018 |
| A&M Potters C.I.C. | Huntingdon | 2020 |
| A&M Productions - Hire & Service Limited | Kettering | 2022 |
| A&M Rotary Ltd | Maldon | 2013 |
| A&M Steel Limited | Harrow | 2019 |
| A&M UK Installation Ltd | Marston Moretaine | 2012 |
| A&M Ventilation Supplies Ltd | Willenhall | 2019 |
| A&M Verti-Move Lifts Services Limited | Milton Keynes | 2024 |
| A&M Water Engineering Ltd | Faversham | 2026 |
| A&M Wellness Ltd | Harrow | 2025 |
| A&N Davies Fabrications Ltd | Preston | 2021 |
| A&N Food Group Ltd | Newport | 2023 |
| A&N Music Ltd | Liverpool | 2024 |
| A&N Print Limited | Cardiff | 2008 |
| A&O Innovations Ltd | Glasgow | 2025 |
| A&P Aviation Services Ltd | Runcorn | 2025 |
| A&P Beds Ltd | Glasgow | 2025 |
| A&P Contracts Ltd | Clacton On Sea | 2025 |
| A&P GH 2006 Limited | Hebburn | 2001 |
| A&P Group Limited | Hebburn | 2006 |
| A&P Tyne Limited | Hebburn | 2004 |
| A&R Export Packing Ltd | Sale | 2015 |
| A&R International Trading Ltd | Rickmansworth | 2019 |
| A&Rc Civils Ltd | Coventry | 2026 |