| A2Z Cleaners Limited | Dagenham | 2023 |
| A2Z Cleaning Services Ltd | Ilford | 2024 |
| A2Z Cleaning UK Ltd | Luton | 2022 |
| A2Z Destinations Ltd | Birmingham | 2023 |
| A2Z Drainage Services Ltd | Luton | 2018 |
| A2Z Drives & Landscaping Ltd | Atherstone | 2025 |
| A2Z Driving Services Ltd | London | 2026 |
| A2Z Employment Ltd | Biggleswade | 2015 |
| A2Z Fire & Electrical Ltd | London | 2022 |
| A2Z Food Safety Limited | Cardiff | 2014 |
| A2Z Gondals Ltd | Cheadle | 2025 |
| A2Z Hajj Tours Limited | Luton | 2026 |
| A2Z Hire Limited | Dinas Powys | 2025 |
| A2Z Housekeep Limited | London | 2023 |
| A2Z IT Consultants Ltd | London | 2018 |
| A2Z Landscapes Limited | Portland | 2024 |
| A2Z Landscaping Ltd | Cardiff | 2025 |
| A2Z Logistic Services Ltd | Ilford | 2019 |
| A2Z Marketing Services Ltd | Stoke-On-Trent | 2024 |
| A2Z MED Professional Services Ltd | London | 2022 |
| A2Z Pack Ltd | Hayes | 2024 |
| A2Z Recruit Limited | London | 2021 |
| A2Z Recruitment Solutions Ltd | Wembley | 2012 |
| A2Z Rentals Limited | Barry | 2022 |
| A2Z Resource Group Limited | Ilford | 2020 |
| A2Z Security Ltd | Bolton | 2025 |
| A2Z Security Services Ltd. | London | 2014 |
| A2Z Security Solutions Ltd | Ilford | 2025 |
| A2Z Service and Consult Ltd | London | 2024 |
| A2Z Supply Ltd | London, Middlesex | 2023 |
| A2Z Taxi Hire Limited | Rochdale | 2025 |
| A2Z Trading and Investment Limited | Kidlington | 2015 |
| A2Z UK EU Solutions Ltd | Birmingham | 2012 |
| A2Z UK Gardening Ltd | London | 2023 |
| A2Z Upholstery Ltd | Manchester | 2021 |
| A2Z Vehicle Services Limited | Woodford Green | 2025 |
| A2ZCARHIRE Limited | Cardiff | 2018 |
| A2ZEXTERIORCLEANING Ltd | Haslingden | 2024 |
| A3 Cleaning Services Ltd | Wokingham | 2025 |
| A3 Commercials Ltd. | London | 2002 |
| A3 Fitness Concepts Limited | London | 2012 |
| A3 Furniture Limited | Wolverhampton | 2006 |
| A3 Global Travel Limited | Manchester | 2019 |
| A3 Guarding Ltd | Erith | 2009 |
| A3 Hire Ltd | Limavady | 2025 |
| A3 Retail Ltd | London | 2017 |
| A3 Security Services Ltd | London | 2013 |
| A3-TECH Services Limited | Pudsey | 2024 |
| A3M Designs Limited | Fareham | 2002 |
| A3N Investments Ltd | Solihull | 2016 |
| A3X Cleaning Ltd | London | 2026 |
| A4 Bouncy Castles Ltd | Reading | 2021 |
| A4 Copy Technology (UK) Limited | Liverpool | 2006 |
| A4 Group Ltd | London | 2015 |
| A4 Hire Limited | Oxford | 2001 |
| A4 Security Services Ltd | Ilford | 2020 |
| A4 VIP Security's Ltd | London | 2025 |
| A40 Concrete Ltd | Hemel Hempstead | 2022 |
| A40 Grab Hire Limited | Hemel Hempstead | 2020 |
| A40 Packaging Limited | Ashford | 2007 |
| A406 Claims Ltd | London | 2026 |
| A41 Car Spa Ltd | Ellesmere Port | 2023 |
| A45 Car Repairs Ltd | Birmingham | 2025 |
| A4BD Ltd | Taunton | 2015 |
| A4CARECONNECT Limited | Billingham | 2023 |
| A4E Solutions Ltd | Birmingham | 2022 |
| A4JWA Ltd | Cheltenham | 2010 |
| A4ORDABLE Cars Ltd | Kilnhurst | 2017 |
| A4S Management Limited | Gravesend | 2019 |
| A4S Projects and Events Limited | London | 2026 |
| A4SUPPLIER Ltd | Altrincham | 2015 |
| A5 Capital Limited | London | 2022 |
| A5 Property Limited | Southend-On-Sea, | 2014 |
| A5 REC Services Ltd | Burnley | 2023 |
| A5 Recruitment Ltd | Rochdale | 2024 |
| A5 SIA Security Ltd | Huntingdon | 2025 |
| A5 Stores Ltd | Co Tyrone | 2004 |
| A50 Asset Management Limited | Uttoxeter | 2008 |
| A52 Consulting Limited | Skegness | 2023 |
| A5500 Ltd | Birmingham | 2021 |
| A57 Grab Hire Ltd | Sheffield | 2020 |
| A5K Limited | Ilford | 2005 |
| A5X Security Services Limited | Ilford | 2025 |
| A6 Consultants Ltd | Manchester | 2024 |
| A6 Hand Car Wash Limited | Bolton | 2024 |
| A6 Management Limited | Chilton Foliat | 2016 |
| A6 Mots Limited | Sidcup | 2012 |
| A6 Recruitment Ltd | Slough | 2025 |
| A6 Tree Care Ltd | Matlock | 2026 |
| A7 Azfi Ltd | London | 2025 |
| A7 Car-Wash Ltd | Galashiels | 2026 |
| A7 DRY Cleaner Ltd | Glasgow | 2026 |
| A7 Europe Ltd | London | 2010 |
| A7 Interactive Limited | London | 2007 |
| A7 TCT Limited | Ammanford | 2025 |
| A71 Cleaning Services Ltd | London | 2025 |
| A71 Limited | Shotts | 2021 |
| A711 Ltd | Buckhurst Hill | 2023 |
| A74 Enforcement Ltd | Northampton | 2026 |
| A77 Ltd | Swindon | 2020 |