| A & C Travel Limited | Cheltenham | 1997 |
| A & D Agricultural Contractors Ltd | High Wycombe | 2025 |
| A & D Cleaning Limited | Barnet | 2022 |
| A & D Cleaning Services Limited | Whitby | 2008 |
| A & D Contracting Ltd | Colchester | 2020 |
| A & D Drain Services Limited | Preston | 2005 |
| A & D Edwards Ltd | Ripley | 2015 |
| A & D Elite Developments Ltd | Hornchurch | 2016 |
| A & D Energy Consultancy Limited | Manchester | 2025 |
| A & D Garage Doors Ltd | Yeovil | 2009 |
| A & D Investments Limited | Rochdale | 2016 |
| A & D Landscapes Ltd | Surrey | 2007 |
| A & D Marine Solutions Ltd | Annan | 2024 |
| A & D Recruitment Ltd | Swansea | 2012 |
| A & D Signs and Engraving Limited | Nottingham | 2003 |
| A & D Staffing Limited | Hatfield | 2023 |
| A & D Valeting Ltd | London | 2020 |
| A & DS Flower POT MEN Ltd | Waterlooville | 2022 |
| A & E Adventures Ltd | Milford Haven | 2016 |
| A & E Car Care (Scot) Ltd | Glasgow | 2020 |
| A & E Finance Limited | Liverpool | 2020 |
| A & E Fire Alarm Supplies Ltd | Manchester | 2017 |
| A & E Fire Equipment (Holdings) Limited | Cheltenham | 2017 |
| A & E Gauges Limited | London | 1999 |
| A & E Marquees Limited | Cambridge | 2002 |
| A & E Medical Administration Services Ltd | Bushey | 2016 |
| A & E Plant Hire Ltd | Newry | 2021 |
| A & E Projects Limited | Waltham Abbey | 2023 |
| A & E Promotions Ltd | Glasgow | 2025 |
| A & E Properties Limited | Merseyside | 2007 |
| A & E Services (UK) Limited | Redditch | 2012 |
| A & E Valeting Ltd | London | 2025 |
| A & FA Ltd | Warrington | 2025 |
| A & G Angelo Holdings UK Limited | London | 2019 |
| A & G Construction Services Ltd | London | 2022 |
| A & G Engineering Services Limited | Droitwich | 2006 |
| A & G Flooring Limited | Norwich | 2006 |
| A & G Fruits Ltd | London | 2016 |
| A & G Land & Property Agents Limited | Newcastle Upon Tyne | 2021 |
| A & G Landscapes & Groundworks Ltd | Nelson | 2018 |
| A & G Meola Ltd | Oldham | 2015 |
| A & G Printing Solutions Limited | Redditch | 2013 |
| A & G Service Solutions Limited | Southend-On-Sea | 2025 |
| A & G Site Solutions Limited | Slough | 2019 |
| A & G Stevens Limited | Hitchin | 2003 |
| A & G Travel Group Limited | London | 2017 |
| A & H Associates Limited | Leigh On Sea | 2003 |
| A & H Currie Consultancy Services Limited | Somerset | 2003 |
| A & H Duct Cleaning Services Ltd | Bodmin | 2025 |
| A & H Haulage Ltd | Kent | 2017 |
| A & H Health Care Services Limited | Peterborough | 2023 |
| A & H Recruitment Services Ltd | Gillingham | 2026 |
| A & H Rentals Ltd | Birmingham | 2024 |
| A & H Security Consultancy Ltd | Exmouth | 2022 |
| A & H Supplies Ltd | Manchester | 2024 |
| A & I Anderson (Group) Limited | Inverurie | 2015 |
| A & I Events (EOT) Trustee Limited | Leicestershire | 2024 |
| A & I Events Limited | Near Loughborough | 2008 |
| A & I Housing Ltd | Rotherham | 2008 |
| A & I HR Consultants Ltd | Edinburgh | 2024 |
| A & J Aerial Platforms Limited | Shrewsbury | 2020 |
| A & J Anglia Limited | Peterborough | 2011 |
| A & J Audhali Enterprises EOT Limited | Leamington Spa | 2024 |
| A & J Builders ( Mountain ASH) Limited | Mountain Ash | 2017 |
| A & J Business Services Ltd. | Peterhead | 2006 |
| A & J Cope Limited | Crewe | 2011 |
| A & J Designs (Staffs) Limited | Norton Canes | 2004 |
| A & J FAT Point Properties Ltd | Bury St. Edmunds | 2002 |
| A & J Lashbrook Limited | Grimsby | 2014 |
| A & J Leasing Company Ltd | Aldershot | 2012 |
| A & J Leics Limited | Leicester | 2025 |
| A & J Moore (Metal Recycling) Ltd | Salisbury | 2011 |
| A & J Pressure Washing Ltd | Sowerby Bridge | 2022 |
| A & J Professional Services Ltd | High Peak | 2020 |
| A & J Roberts Limited | Ongar | 2006 |
| A & J Russell Print Limited | Wolverhampton | 2015 |
| A & J Swithinbank Limited | Taunton | 2003 |
| A & K Asadi Ltd | London | 2015 |
| A & K Baron Limited | Preston | 2013 |
| A & K Cleaning Ltd | Basingstoke | 2017 |
| A & K Detailing Solutions Ltd | Rowley Regis | 2024 |
| A & K Enterprise and Services Ltd | Northampton | 2025 |
| A & K Flights Ltd | Romford | 2017 |
| A & K Home Maintenance Services Limited | Eastleigh | 2019 |
| A & K Investments Limited | Bognor Regis | 2004 |
| A & K Multiservice Limited | Solihull | 2021 |
| A & K Reid (Roofing) Limited | Buckie | 2010 |
| A & L Cleaning Contractors Limited | Sunbury-On-Thames | 2002 |
| A & L Consultants Limited | Dukinfield | 2009 |
| A & L Consulting Ltd | Woking | 2025 |
| A & L Curtilage Limited | Biggin Hill | 2022 |
| A & L Enterprises (2015) Limited | Longfield | 2015 |
| A & L General Construction Limited | Potters Bar | 2017 |
| A & L Health Limited | Manchester | 2019 |
| A & L Kirby Property Ltd | Bourne | 2015 |
| A & L Payroll Ltd | Swansea | 2024 |
| A & L Plant Hire Limited | Havant | 2019 |
| A & L Services Ltd | Lymington | 2015 |
| A & M 24CARE Ltd | Wymondham | 2018 |
| A & M Appleby Ltd | Leicester | 2011 |