| Acorns to Oaks Day Nurseries Limited | Health & social care | 2024 |
| Acquma Life Ltd | Financial services | 2017 |
| Acrylic Digital Limited | Information & communication | 2016 |
| Acsf Consulting Ltd | Information & communication | 2023 |
| Acsr Services Ltd | Administrative & support | 2020 |
| Active Edge Perfromance Ltd | Manufacturing | 2025 |
| Activepage Strategy Limited | Administrative & support | 2010 |
| Acton Bridge Cruising Club Limited | Other services | 1964 |
| Acton Marquees Limited | Administrative & support | 2010 |
| Acuitas Insights Limited | Professional & scientific | 2021 |
| Acura Developments Ltd | Construction | 2021 |
| Acura Homes Ltd | Financial services | 2026 |
| AD Clavum Limited | Other services | 2026 |
| AD Medical Services Limited | Health & social care | 2017 |
| Adam Hairdressing Limited | Other services | 2022 |
| Adam Matthews Hair Ltd | Other services | 2026 |
| Adam's Market Limited | Wholesale & retail | 2016 |
| Adapt Environment Ltd | Professional & scientific | 2019 |
| Adavies Property Ltd | Real estate | 2019 |
| Adavies Stays Ltd | Real estate | 2026 |
| Adblive Ltd | Education | 2007 |
| Addseal Roofing Limited | Construction | 2003 |
| ADE Kiresci Engineering Limited | Manufacturing | 2018 |
| Adelphi Wharf One RTM Company Limited | Households | 2026 |
| Adessa HR Limited | Information & communication | 2024 |
| Adhelphik Ltd | Real estate | 2021 |
| ADJ Electrical Limited | Construction | 2017 |
| Admission Control (UK) Ltd | Other services | 2013 |
| Advanced Appliance Care (UK) Limited | Other services | 2005 |
| Advanced Automobile Solutions Ltd | Professional & scientific | 2021 |
| Adventure Babies (Cheshire) Ltd | Health & social care | 2024 |
| Adventure Wellbeing Online School Ltd | Education | 2025 |
| Adventure Wellbeing Schools Ltd | Education | 2023 |
| Aeolus Blade Repair Ltd | Manufacturing | 2023 |
| Aerohawk Trading Limited | Wholesale & retail | 1976 |
| Aerologic Systems Ltd | Manufacturing | 2025 |
| Aesthetics Cheshire Ltd | Education | 2017 |
| AF Restaurant NW Ltd | Hospitality | 2025 |
| Afdv Ltd | Information & communication | 2025 |
| Affinity Insights Limited | Administrative & support | 2025 |
| Africa Centre for Economic Justice (Acej) Ltd | Professional & scientific | 2023 |
| African Development Centre Ltd | Extraterritorial | 2013 |
| After Five N Ltd | Hospitality | 2026 |
| Agada Limited | Other services | 2011 |
| AGB Electrical Ltd | Manufacturing | 2012 |
| AGE Concern Cheshire | Other services | 2002 |
| AGE Concern Trading in Cheshire Limited | Financial services | 1995 |
| Agility International Ltd | Information & communication | 2017 |
| AGM Havers Ltd | Hospitality | 2025 |
| AGM Products Ltd | Wholesale & retail | 2014 |
| AGM Tree Surgery Limited | Administrative & support | 2019 |
| AHB & GD Properties Limited | Real estate | 2025 |
| Aiko Store Ltd | Wholesale & retail | 2023 |
| Airflow Dynamics Engineering Ltd | Professional & scientific | 2012 |
| AJ & HB Properties LLP | | 2004 |
| AJ Hitch & Co Limited | Manufacturing | 2018 |
| AJB Soccer Schools Limited | Arts & recreation | 2014 |
| AJK Plumbing & Heating Ltd | Construction | 2019 |
| AJK Rentals Ltd | Real estate | 2025 |
| AJR SIX One Limited | Financial services | 2011 |
| Ajup Convenience Limited | Wholesale & retail | 2022 |
| AJV Consulting Services Ltd | Professional & scientific | 2018 |
| AKB Marketing Ltd | Professional & scientific | 2026 |
| AKH International Ltd | Hospitality | 2023 |
| Akrep Kebab Ltd | Hospitality | 2024 |
| AL Safety Services Ltd | Other services | 2017 |
| Alan Jones Site Management Limited | Construction | 2009 |
| Albion Candle Co. Ltd | Wholesale & retail | 2021 |
| Alderford JR Limited | Hospitality | 2025 |
| Aleri Ltd | Manufacturing | 2016 |
| Alex Holt Fitness Ltd | Arts & recreation | 2024 |
| Alex Kitchens & Joinery Ltd | Construction | 2021 |
| Alex Platt Ltd | Administrative & support | 2019 |
| Alexander Aldridge Consulting Ltd | Professional & scientific | 2016 |
| Alexander’S of Oakmere Ltd | Professional & scientific | 2022 |
| Alfa Solicitors Limited | Professional & scientific | 2022 |
| Alfred Jones (Property) Limited | Real estate | 2002 |
| Alfred Jones (Warrington) Limited | Real estate | 1945 |
| Alfred Jones Holdings Limited | Administrative & support | 2016 |
| Algarve Villa Holidays Limited | Administrative & support | 2004 |
| Algoter Limited | Information & communication | 2026 |
| Alias Official Ltd | Wholesale & retail | 2024 |
| Alif Housing Limited | Real estate | 2026 |
| Alioli Kids Ltd | Wholesale & retail | 2015 |
| Alison Jones Business Services Limited | Information & communication | 2014 |
| Alitaloha Pole Studio Ltd | Arts & recreation | 2023 |
| Alixz Ltd | Education | 2026 |
| Alkuk-Transport Ltd | Transport & logistics | 2018 |
| ALL in One Landscapes Limited | Administrative & support | 2022 |
| ALL Method Ltd | Professional & scientific | 2023 |
| ALL Office Limited | Administrative & support | 2015 |
| ALL Round Building & Joinery Limited | Construction | 2015 |
| Allai Consulting Limited | Administrative & support | 2021 |
| Allcares Supported Living Ltd | Health & social care | 2025 |
| Allied Analytical Technologies Limited | Information & communication | 2016 |
| Allium Green Space Limited | Professional & scientific | 2017 |
| Allman Cars Limited | Wholesale & retail | 2012 |
| Allostock Hall Equestrian Ltd | Agriculture & fishing | 2020 |
| Allostock Nurseries Limited | Agriculture & fishing | 2004 |
| Allstar Talent Solutions Limited | Administrative & support | 2018 |