| AK Community Care Limited | Health & social care | 2024 |
| AKA Builders Crewe Ltd | Construction | 2024 |
| Akaquack Limited | Information & communication | 2018 |
| Akin Thai Limited | Hospitality | 2026 |
| AKS Classics Cheshire Limited | Wholesale & retail | 2018 |
| AKS Holdings (Cheshire) Limited | Manufacturing | 2025 |
| AKS Machining Limited | Manufacturing | 1996 |
| AKS Smallholdings Limited | Agriculture & fishing | 2021 |
| Alan Boyd Consultants Limited | Health & social care | 2005 |
| Alastair Cragg Limited | Information & communication | 2018 |
| Albayrak 1 Ltd | Hospitality | 2024 |
| Alcaeus Infrastructure Services Ltd | Professional & scientific | 2021 |
| Alchemy Dental Practice Limited | Health & social care | 2006 |
| Alchemy Gold Limited | Health & social care | 2016 |
| Alderley Engineering Limited | Financial services | 2016 |
| Aleksandra Kruk Ltd | Administrative & support | 2021 |
| Alemary Bakery Ltd | Manufacturing | 2022 |
| Alex Allen Creative Ltd | Professional & scientific | 2019 |
| Alex Potter Films Ltd | Information & communication | 2020 |
| Alexandra Retail Limited | Wholesale & retail | 2008 |
| Alexandra Stadium (Crewe) Limited | Real estate | 2006 |
| Alexia Media/ Productions Ltd | Information & communication | 2015 |
| Alfola Limited | Professional & scientific | 2025 |
| ALI Baba's Charcoal Grill Ltd | Hospitality | 2018 |
| Alin Marin Ltd | Transport & logistics | 2019 |
| Aliniad Ltd | Professional & scientific | 2014 |
| Alisha Construction Ltd | Construction | 2021 |
| Alison Brazendale Ltd | Real estate | 2019 |
| ALL About Ponds Limited | Administrative & support | 2017 |
| ALL Consulting Ltd | Information & communication | 2025 |
| ALL the Way Logistics Limited | Transport & logistics | 2022 |
| Allacc Consultancy Limited | Professional & scientific | 2024 |
| Allen House Dental Crewe Ltd | Health & social care | 2025 |
| Allewell Investments Ltd | Real estate | 2022 |
| Alliance Commercial Limited | Financial services | 2017 |
| Alliance Disposables EOT Trustees Limited | Administrative & support | 2021 |
| Alliance Disposables Limited | Wholesale & retail | 1999 |
| Allman Contract Services Ltd | Construction | 2020 |
| Allman Investments Limited | Financial services | 2015 |
| Alorla Marketing Ltd | Professional & scientific | 2023 |
| Alpha Ascent Limited | Health & social care | 2021 |
| Alpha Omega Frame Repairs Limited | Other services | 2003 |
| Alpha-Omega Properties (Cheshire) Limited | Real estate | 2022 |
| Alpha-Omega Securities Limited | Administrative & support | 2001 |
| ALR Properties Ltd | Real estate | 2019 |
| Alsager Asphalt Limited | Information & communication | 2017 |
| Altium (Burnley) Ltd | Other services | 2026 |
| Altium (Chester) Ltd | Other services | 2026 |
| Alton ST. Eats Ltd | Hospitality | 2023 |
| Altus Computers Systems Limited | Information & communication | 2025 |
| Aluco Talent Ltd | Administrative & support | 2024 |
| Alugbaga Group Limited | Wholesale & retail | 2024 |
| AM (Staffs) Limited | Real estate | 2019 |
| AM Signature Ltd | Extraterritorial | 2012 |
| Amad 2 V Properties Limited | Real estate | 2023 |
| Amaglo Ltd | Wholesale & retail | 2022 |
| Amaka's International Food Services Limited | Hospitality | 2024 |
| Amazing Cakes Ltd | Manufacturing | 2023 |
| Amborough Limited | Wholesale & retail | 2008 |
| Ambrus Ltd | Transport & logistics | 2017 |
| AMC Strategy Limited | Professional & scientific | 2014 |
| Ameduk Films Ltd | Information & communication | 2022 |
| Ameiso Ltd | Information & communication | 2024 |
| American Crewe Shop Ltd | Wholesale & retail | 2025 |
| Amic Holdings Limited | Transport & logistics | 2001 |
| Amidel Property Ltd | Real estate | 2024 |
| Amill Consultancy Ltd | Other services | 2015 |
| AMS Construction Ltd | Construction | 2014 |
| Amuza Ltd | Other services | 2024 |
| AMX Business Solutions Limited | Professional & scientific | 2012 |
| AMY Lauren Ltd | Hospitality | 2023 |
| AMY Lucy Limited | Wholesale & retail | 2010 |
| Anab Investments Ltd | Real estate | 2022 |
| Analytiq Limited | Professional & scientific | 2019 |
| Anastasija Studio Ltd | Information & communication | 2022 |
| Andali Ltd | Transport & logistics | 2018 |
| Andotransport Ltd | Transport & logistics | 2015 |
| Andrew Hague Limited | Financial services | 2012 |
| Andrew Waller Engineering Ltd | Professional & scientific | 2012 |
| Andrew Worrall Agriculture Ltd | Administrative & support | 2012 |
| Andrews Housing Ltd | Hospitality | 2025 |
| Angela Quayle Interiors Limited | Wholesale & retail | 2014 |
| Angelitos Limited | Hospitality | 2003 |
| Angie Pontefract Limited | Other services | 2007 |
| Angjay Ltd | Hospitality | 2016 |
| Anglesey Distinctive Properties Management Company Limited | Households | 2016 |
| Animal Waste Management Ltd | Water & waste | 2026 |
| Anna&Piotr Transport Ltd | Transport & logistics | 2019 |
| ANP Property Ltd | Real estate | 2021 |
| Antique Sword Restorations Limited | Wholesale & retail | 2025 |
| Antrobus Associates Limited | Professional & scientific | 2020 |
| Antrobus Solicitors Limited | Professional & scientific | 2013 |
| AO Events Limited | Other services | 2017 |
| AOC Strategies Limited | Professional & scientific | 2023 |
| AP Solid Property Investments Ltd | Transport & logistics | 2015 |
| Apaas Application Packaging Services Limited | Information & communication | 2014 |
| Apex Enterprise Consulting Limited | Information & communication | 2025 |
| Apex Enterprise Group Limited | Financial services | 2025 |
| Apex Enterprise Labs Limited | Professional & scientific | 2025 |
| Apex Plumbing Limited | Construction | 2020 |