| Autohaus Motors Ltd | Wholesale & retail | 2024 |
| Autohub (Denton) Ltd | Wholesale & retail | 2022 |
| Autokey Locksmiths Ltd | Wholesale & retail | 2025 |
| Autolink Car Hire Ltd | Administrative & support | 2024 |
| Autolink Motor Repair Services Limited | Wholesale & retail | 2014 |
| Autoliv Ltd | Wholesale & retail | 2020 |
| Autolux NW Limited | Wholesale & retail | 2025 |
| Autolyne Limited | Wholesale & retail | 2017 |
| AUTOM8 Tech Ltd | Information & communication | 2020 |
| Automaition Online Limited | Other services | 2022 |
| Automania MOT Ltd | Wholesale & retail | 2024 |
| Automata Films Ltd | Information & communication | 2024 |
| Automate (Manchester) Limited | Wholesale & retail | 2010 |
| Automate AI Services Ltd | Information & communication | 2026 |
| Automated Dummy Company Limited | Professional & scientific | 2013 |
| Automated Entrance Systems UK Ltd | Manufacturing | 2020 |
| Automated Fire Systems Limited | Construction | 2019 |
| Automated Integrations Ltd | Information & communication | 2024 |
| Automated Language Processing Services Limited | Professional & scientific | 1987 |
| Automated Voting and Electronic Systems Ltd | Manufacturing | 2023 |
| Automation Innovations Ltd | Manufacturing | 2025 |
| Automation Integrated Ltd | Wholesale & retail | 2021 |
| Automations IO Ltd | Information & communication | 2019 |
| Automax MCR Limited | Wholesale & retail | 2023 |
| Automech Motorsport Limited | Wholesale & retail | 2002 |
| Automobile Solutions Ltd | Wholesale & retail | 2015 |
| Automotive Community Ltd | Other services | 2026 |
| Automotive Recovery and Storage Solutions Ltd | Transport & logistics | 2016 |
| Automotive Smart Grid Ltd | Wholesale & retail | 2024 |
| Automotive-Electrical (Mirfield) Limited | Manufacturing | 1985 |
| Autonomous Digital Group Limited | Information & communication | 2021 |
| Autonomy AID Care Ltd | Health & social care | 2026 |
| Autopart Garage Limited | Wholesale & retail | 2014 |
| Autopay Parking Limited | Information & communication | 2024 |
| Autopro Denton Ltd | Wholesale & retail | 2025 |
| Autopro Denton MCR Ltd | Wholesale & retail | 2026 |
| Autopro Detailing Ltd | Administrative & support | 2026 |
| Autopro Supplies Ltd | Wholesale & retail | 2025 |
| Autoquant Ltd | Information & communication | 2025 |
| Autoroll UK Limited | Manufacturing | 2005 |
| Autosave Holdings Limited | Wholesale & retail | 2007 |
| Autosdocs Ltd | Wholesale & retail | 2022 |
| Autosec Limited | Other services | 2020 |
| Autosermo Limited | Information & communication | 2018 |
| Autoserv North West Ltd | Wholesale & retail | 2007 |
| Autoshield Trading and Maintenance Limited | Wholesale & retail | 1985 |
| Autosmart Body Repair Ltd | Wholesale & retail | 2020 |
| Autospares MCR Ltd | Wholesale & retail | 2026 |
| Autospares UK Ltd | Wholesale & retail | 2023 |
| Autostar Motors Limited | Wholesale & retail | 2021 |
| Autotech MOT Station Ltd | Wholesale & retail | 2023 |
| Autotech Robotics Limited | Manufacturing | 1989 |
| Autotek Manchester Ltd | Wholesale & retail | 2018 |
| Autotrader Group PLC | Professional & scientific | 2015 |
| Autotrader Holding Limited | Professional & scientific | 2003 |
| Autotrader Leasing Limited | Administrative & support | 2004 |
| Autotrader Limited | Information & communication | 2000 |
| Autovale Citroen & Peugeot Specialist Ltd | Wholesale & retail | 2018 |
| Autovale Tyres (NW) Ltd | Wholesale & retail | 1933 |
| Autovale Tyres Ltd | Wholesale & retail | 2018 |
| Autoweisz Ltd | Wholesale & retail | 2023 |
| Autoworld Manchester Limited | Wholesale & retail | 2025 |
| Autozone Manchester Limited | Wholesale & retail | 2020 |
| Autumn Harveste Limited | Hospitality | 2020 |
| Autus Estates Ltd | Real estate | 2022 |
| Auty Magazine Ltd | Information & communication | 2025 |
| Auxi Group Limited | Administrative & support | 2025 |
| Auxtronic Ltd | Administrative & support | 2020 |
| AUZ Construction Company Ltd | Construction | 2024 |
| AUZ Sports Academy Limited | Wholesale & retail | 2019 |
| AV 2020 Ltd | Wholesale & retail | 2021 |
| AV Asia Enterprises Ltd | Manufacturing | 2007 |
| AV Auto Sales Ltd. | Administrative & support | 2015 |
| AV Electrical Contractors Limited | Construction | 2011 |
| AV International Limited | Information & communication | 2022 |
| AV Motor Sport Ltd | Wholesale & retail | 2012 |
| AV Pro Build Limited | Construction | 2023 |
| AV Rico Services Ltd | Health & social care | 2018 |
| AV Spirit CIC | Other services | 2021 |
| AVA and Alph Children’S Wear Ltd | Wholesale & retail | 2025 |
| AVA Car Wash Ltd | Administrative & support | 2026 |
| AVA Food NW Ltd | Hospitality | 2025 |
| AVA Pro Ltd | Real estate | 2024 |
| AVA Store (MCR) Ltd | Wholesale & retail | 2025 |
| AVA Tech Academy Ltd | Information & communication | 2024 |
| AVA Tyre Fitting Ltd | Wholesale & retail | 2026 |
| Avaanis Jewellery Ltd | Wholesale & retail | 2019 |
| Avacade Limited | Financial services | 2010 |
| Avadan Developments Ltd | Construction | 2024 |
| Avaegg Limited | Hospitality | 2025 |
| Avago Retail Ltd | Wholesale & retail | 2013 |
| Avail Logistics Limited | Administrative & support | 2024 |
| Avais Holdings Ltd | Financial services | 2024 |
| Avais Locum Services Ltd | Health & social care | 2025 |
| Avakino Limited | Health & social care | 2015 |
| Avako Limited | Health & social care | 2009 |
| Aval Pharma Ltd | Wholesale & retail | 2023 |
| Avalat Ltd | Real estate | 2014 |
| Avaldo Limited | | 1987 |
| Avalon Cabs Ltd | Transport & logistics | 2003 |