| A Brown Property Solutions Ltd | Construction | 2017 |
| A Build Decor Ltd | Construction | 2023 |
| A C Forklifts Limited | Administrative & support | 2009 |
| A Campbell Heating & GAS Ltd | Construction | 2022 |
| A Connolly Commercial Limited | Construction | 2017 |
| A Connolly Developments Limited | Construction | 2017 |
| A Connolly Holdings Limited | Financial services | 2012 |
| A Connolly Housing Limited | Real estate | 2018 |
| A D & C Farrell Limited | Administrative & support | 1997 |
| A D M Truckparts Limited | Wholesale & retail | 2003 |
| A D Motors (NW) Ltd | Transport & logistics | 2014 |
| A Dean Joinery Ltd | Construction | 2006 |
| A J Building Solutions NW Ltd | Construction | 2024 |
| A J Comms Ltd | Information & communication | 2016 |
| A J E-Commerce Ltd | Arts & recreation | 2014 |
| A J H Plastering Solutions Ltd | Construction | 2014 |
| A J Shaw & Sons Limited | Wholesale & retail | 2010 |
| A M Bespoke Heaters Limited | Manufacturing | 2025 |
| A Newton Civil Engineering Limited | Construction | 2018 |
| A O Medical Services Limited | Health & social care | 2023 |
| A O'Brien Construction & Landscaping Ltd | Construction | 2017 |
| A P & Co Properties Ltd | Real estate | 2021 |
| A P Group (UK) Limited | Construction | 2013 |
| A Park Joinery & Sons Ltd | Construction | 2022 |
| A S Electrical Contractors (NW) Limited | Construction | 2020 |
| A S Installations (Kitchens & Bedrooms) Limited | Construction | 2019 |
| A Sparrow Transport Ltd | Transport & logistics | 2024 |
| A to Z Manufacturing Group Ltd | Manufacturing | 2026 |
| A Wood Installations Ltd | Construction | 2022 |
| A Z Barber Derby Ltd | Other services | 2024 |
| A&C Care Services Limited | Health & social care | 2025 |
| A&J Signature Events Ltd | Hospitality | 2025 |
| A&K Sosnowski Ltd | Construction | 2024 |
| A&L Ventures Limited | Financial services | 2020 |
| A&Lharrington Limited | Professional & scientific | 2026 |
| A&S TRADING22 Ltd | Wholesale & retail | 2022 |
| A-Stars Pre-School Ltd | Education | 2018 |
| A-Tec Systems Limited | Manufacturing | 1991 |
| A-Win Food and Wine Ltd | Wholesale & retail | 2021 |
| A-Win Property Ltd | Real estate | 2025 |
| A. Connolly Limited | Construction | 1999 |
| A. L. G. Investments (Wigan) Limited | Real estate | 1963 |
| A.A.Carpentry Ltd | Manufacturing | 2025 |
| A.A.P.Carpentry Ltd | Manufacturing | 2025 |
| A.Browne International Ltd | Transport & logistics | 2026 |
| A.Central Ltd | Information & communication | 2016 |
| A.D.E. Electrical & Data Cabling Systems Ltd | Construction | 2007 |
| A.G. Haulage Ltd | Wholesale & retail | 2010 |
| A.J.BROWN22 Ltd | Hospitality | 2022 |
| A.J.S. Baileys Electrical Limited | Construction | 2012 |
| A.K Painting & Decorating Services Ltd | Construction | 2026 |
| A.K. Heating Ltd | Construction | 2003 |
| A.R.E.S Consultants Ltd | Construction | 2018 |
| A.R.T. Company 2402 Ltd | Transport & logistics | 2025 |
| A.S Paving & Groundworks Ltd | Construction | 2021 |
| A.W.Rail Ltd | Construction | 2014 |
| A1 Concrete Pumping Limited | Construction | 1999 |
| A1 Fencing ( Bury) Limited | Construction | 2024 |
| A1 Performance Studio Ltd | Arts & recreation | 2021 |
| A1 Plumbing and Heating Services Ltd | Construction | 2006 |
| A1 Risk Solutions Limited | Professional & scientific | 2011 |
| A1 Travel of Wigan Limited | Transport & logistics | 2024 |
| A11CLEAN Limited | Administrative & support | 2009 |
| A2B Developments Limited | Construction | 2020 |
| A2C Limited | Information & communication | 2005 |
| A4 Groundworks Ltd | Construction | 2025 |
| A6 Motor Company Bolton Limited | Wholesale & retail | 2016 |
| A6 Towing Brackets Limited | Wholesale & retail | 2012 |
| AA Recruit Ltd | Administrative & support | 2024 |
| AA Service Centre Ltd | Wholesale & retail | 2022 |
| AAA Construction NW Ltd | Construction | 2017 |
| AAC Commercial Solutions Limited | Professional & scientific | 2023 |
| Aahomeimprovementuk Ltd | Construction | 2024 |
| Aaron J Wines Premier Limited | Wholesale & retail | 2023 |
| Aaru Trading Ltd | Manufacturing | 2026 |
| Aarunya Consulting Limited | Administrative & support | 2017 |
| Aatral UN Ltd | Wholesale & retail | 2024 |
| AB Automotive(Uk) Limited | Wholesale & retail | 2021 |
| AB Autos (Newburgh) Ltd | Wholesale & retail | 2017 |
| AB Childcare Consultancy Ltd | Other services | 2019 |
| AB Group Ventures Limited | Financial services | 2026 |
| AB Sales Consultancy Limited | Professional & scientific | 2026 |
| AB Supply Chain Ltd | Professional & scientific | 2021 |
| ABA Roofing (Wigan) Limited | Construction | 2019 |
| Abay Barbers Ltd | Other services | 2018 |
| Abbacas (Holdings) Limited | Real estate | 2016 |
| Abbey Electronics Consultants Ltd | Construction | 2009 |
| Abbey Lakes Travel Ltd | Transport & logistics | 2024 |
| Abbey Pack Eggs Limited | Wholesale & retail | 1976 |
| Abbey Properties (Wigan) Ltd | Real estate | 2019 |
| Abbie Harvey Coaching Ltd | Health & social care | 2025 |
| Abdul Home Renovate Limited | Construction | 2024 |
| Abdul Tiling Ltd | Construction | 2025 |
| Abe's Enterprise Ltd | Information & communication | 2024 |
| Abelote | Professional & scientific | 2024 |
| Abersoch Consultancy Services Limited | Administrative & support | 2016 |
| Abersoch Property Management Ltd | Administrative & support | 2010 |
| ABH Wigan Limited | Professional & scientific | 2018 |
| ABI Case Management Ltd | Health & social care | 2018 |
| ABI Simm Ltd | Professional & scientific | 2025 |