| 11BC Ltd | Information & communication | 2023 |
| 202 Estates Limited | Real estate | 2024 |
| 219 Sports Ltd | Education | 2020 |
| 226 Consulting Ltd | Arts & recreation | 2024 |
| 24/7 Plumbing Ltd | Construction | 2021 |
| 24/7 Technology Limited | Information & communication | 2014 |
| 2G Energy Ltd. | Construction | 2011 |
| 2M Manufacturing Limited | Manufacturing | 1972 |
| 2UZ Ltd | Real estate | 2019 |
| 3CUBED Limited | Information & communication | 2002 |
| 3ON3 Ltd | Education | 2026 |
| 4MUL8 Ltd | Professional & scientific | 2016 |
| 52 53 & 54 Partington Square Management Company Limited | Households | 2025 |
| 787 FLY Ltd | Transport & logistics | 2019 |
| A & a Glover Engineering Limited | Manufacturing | 1985 |
| A 2 B Installations Ltd | Information & communication | 2017 |
| A B Storage Ltd | Transport & logistics | 2008 |
| A Better Tomorrow Halton C.I.C. | Other services | 2020 |
| A Dennett Services Ltd | Professional & scientific | 2019 |
| A K Flooring Solutions Ltd | Construction | 2019 |
| A Parkes Transport Ltd | Transport & logistics | 2018 |
| A Rattigan Limited | Professional & scientific | 2019 |
| A S a Construction Ltd | Construction | 2018 |
| A to Z Blinds Shutters and Joinery Ltd | Construction | 2019 |
| A&A Regen Ltd | Construction | 2025 |
| A&C Elite Properties Ltd | Real estate | 2023 |
| A&M Joinery Contractors Ltd | Construction | 2020 |
| A&P Aviation Services Ltd | Manufacturing | 2025 |
| A&S Pro Ltd | Wholesale & retail | 2025 |
| Aapreston Ltd | Hospitality | 2025 |
| AB Vision Ltd | Wholesale & retail | 2021 |
| Abba Propertys & Lettings Ltd | Real estate | 2025 |
| Abba Renewable Consultancy Limited | Professional & scientific | 2022 |
| Abbey Fencing (UK) Limited | Administrative & support | 2013 |
| Abbey Passive Services Limited | Professional & scientific | 2024 |
| Abbots Alliance Limited | Financial services | 2024 |
| ABC Taxis (NW) Ltd | Transport & logistics | 2019 |
| Abcbbc Ltd | Wholesale & retail | 2022 |
| ABI Mini Mart Ltd | Wholesale & retail | 2021 |
| Abridge Cool Distribution Ltd | Transport & logistics | 2015 |
| ABS Group Holdings Ltd | Financial services | 2021 |
| ABS Tiles Limited | Wholesale & retail | 2014 |
| Acambo Technologies Ltd | Information & communication | 2025 |
| Access 2 Support (NW) Ltd | Health & social care | 2019 |
| Access 2 Support (Runcorn) Ltd | Health & social care | 2017 |
| Acco Enterprises Ltd | Real estate | 2007 |
| Acco Management Ltd | Real estate | 2026 |
| ACCOUNTANTS247 Limited | Professional & scientific | 2020 |
| ACCOUNTANTS247 Outsource Limited | Administrative & support | 2023 |
| ACCOUNTANTS247 Services Company Limited | Professional & scientific | 2025 |
| Acet Circular Solutions Ltd | Administrative & support | 2021 |
| ACH Special Vehicles Ltd | Transport & logistics | 2003 |
| Aclaimed Developments Ltd | Construction | 2026 |
| Acorn Community Nursery | Education | 2000 |
| Act.R Retail Ltd | Wholesale & retail | 2002 |
| Adepte Limited | Information & communication | 2016 |
| Advanced Emission Solutions Limited | Extraterritorial | 2006 |
| Advanced Roll Solutions Limited | Extraterritorial | 2007 |
| AEG Partitions Limited | Manufacturing | 2024 |
| Aeirenes Ltd | Wholesale & retail | 2022 |
| Aerial Edge Drone Services Ltd | Professional & scientific | 2025 |
| Aeronautical Training Solutions Limited | Education | 2019 |
| Affordable Contract Services Limited | Administrative & support | 2015 |
| AGP Accountancy & Tax Solutions Limited | Professional & scientific | 2013 |
| AHL Retail Services Ltd | Wholesale & retail | 2022 |
| AIC Integrated Systems Limited | Construction | 2012 |
| Aico Labs Ltd | Information & communication | 2026 |
| AIF Design Limited | Professional & scientific | 2016 |
| Aiio Consult Limited | Information & communication | 2021 |
| Aiio Properties Ltd | Real estate | 2024 |
| AJ International Road Haulage Ltd | Transport & logistics | 2024 |
| AJA Services Limited | Professional & scientific | 2026 |
| AJB Rentals Ltd | Real estate | 2020 |
| AJL PO Church Street Limited | Real estate | 2026 |
| AJL PO Limited | Real estate | 2017 |
| Ajsafety Ltd | Public administration | 2025 |
| AK Cargo Ltd | Transport & logistics | 2019 |
| AK Elite Football Academy Ltd | Education | 2023 |
| AKF Lettings Ltd | Real estate | 2023 |
| Akona Concepts Limited | Other services | 2015 |
| Akona Limited | Other services | 2004 |
| AKT Engineering Limited | Manufacturing | 1991 |
| AL Fresco Grills Limited | Hospitality | 2023 |
| Alan Davies Rail Limited | Transport & logistics | 2016 |
| Alder Rose Mortgage Services Limited | Other services | 2018 |
| Alder Rose Property Ltd | Real estate | 2020 |
| Alex & Drive Ltd | Transport & logistics | 2016 |
| ALI Trends Limited | Wholesale & retail | 2025 |
| Alison Abrams Training Limited | Administrative & support | 2009 |
| ALL OR Nothing Cheshire Ltd | Arts & recreation | 2019 |
| ALL Over the Gaff Limited | Wholesale & retail | 2025 |
| Alnex Limited | Professional & scientific | 2007 |
| Altius Projects Ltd | Administrative & support | 2019 |
| Altru Limited | Professional & scientific | 2025 |
| Altus Science Limited | Manufacturing | 2011 |
| Aluline Group Limited | Financial services | 2010 |
| Aluline Limited | Manufacturing | 1998 |
| Amber Complex Care Ltd | Administrative & support | 2024 |
| Amber Rouge Ltd | Other services | 2021 |
| AMC XL Limited | Administrative & support | 2002 |