| 01111000 Limited | Professional & scientific | 2012 |
| 0114 Limited | Arts & recreation | 2019 |
| 1339 Consultancy Ltd | Professional & scientific | 2024 |
| 145 Properties Limited | Real estate | 2021 |
| 180 Fitness & Nutrition Limited | Arts & recreation | 2019 |
| 180 Fitness Ltd | Arts & recreation | 2022 |
| 182 Events Ltd | Hospitality | 2020 |
| 1ST City Engineering Consultancy Limited | Professional & scientific | 2014 |
| 2000 BG Ltd | Real estate | 2025 |
| 29 Solutions Ltd | Information & communication | 2023 |
| 2PINKFLAMINGOS Limited | Wholesale & retail | 2020 |
| 303 Factors Ltd | Information & communication | 2020 |
| 3D Organisation Limited | Real estate | 2003 |
| 4 Chapelgate Management Limited | Households | 2024 |
| 4 Legs and a Tail Ltd | Other services | 2022 |
| 4-D Projects Limited | Professional & scientific | 2025 |
| 4CITE Workforce Solutions Ltd | Professional & scientific | 2022 |
| 4D Business Solutions Limited | Administrative & support | 2017 |
| 5AX Technical Services Ltd | Professional & scientific | 2019 |
| 69 Drinks Co. Ltd | Wholesale & retail | 2024 |
| 7 Star Barber Bridgegate Limited | Other services | 2025 |
| 8F Construction Ltd | Construction | 2026 |
| 98 Twyford Avenue (W3) Limited | Households | 2024 |
| A Booth Plumbing Ltd | Construction | 2016 |
| A C Pavings Co Limited | Manufacturing | 2000 |
| A C Pavings Investments Ltd | Real estate | 2025 |
| A F Plus Ltd | Agriculture & fishing | 2021 |
| A J Headland & SON Limited | Agriculture & fishing | 2011 |
| A Little BIT of Love | Other services | 2014 |
| A Lloyd-Jones & SON Limited | Construction | 2010 |
| A P L Management Ltd | Professional & scientific | 2010 |
| A Potts Property Limited | Real estate | 2021 |
| A R B Plant Limited | Wholesale & retail | 2014 |
| A Savetime Concrete Ltd | Transport & logistics | 2025 |
| A T H Rubber Products Limited | Manufacturing | 2015 |
| A&T Property Landscaping Limited | Professional & scientific | 2023 |
| A-Consult Limited | Construction | 2004 |
| A.D Superstores Limited | Wholesale & retail | 2010 |
| A.F.T. (UK) Limited | Manufacturing | 1985 |
| A.M.G. & SON Limited | Wholesale & retail | 2019 |
| A.M.P. Events Limited | Administrative & support | 2013 |
| A1 Storage City Limited | Real estate | 2025 |
| A2B Site Catering Ltd | Hospitality | 2022 |
| AB Automotive Services Ltd | Wholesale & retail | 2026 |
| Abakus Engineering Ltd | Construction | 2007 |
| Abbey Court Holdings Ltd | Financial services | 2020 |
| Abbeygate Brickwork Limited | Construction | 2023 |
| Abnormal Load and Security Services Limited | Administrative & support | 2026 |
| Absolute Hygiene Limited | Administrative & support | 2018 |
| Absolute KOI Limited | Wholesale & retail | 2003 |
| AC Express Kitchens Ltd | Manufacturing | 2025 |
| Acanthus Change Limited | Professional & scientific | 2021 |
| Accepted Catalogue Ltd | Wholesale & retail | 2023 |
| Achieve Health Clinic Ltd | Health & social care | 2026 |
| ACS Plant Services Ltd | Manufacturing | 2015 |
| ACTIVE-8 Limited | Professional & scientific | 2014 |
| Actualize Promotions Ltd | Administrative & support | 2022 |
| Acupuncture and Rehab Clinic Limited | Health & social care | 2024 |
| Acwyre Limited | Administrative & support | 2011 |
| Adair Civil & Structure Limited | Construction | 2017 |
| ADB Pubs Limited | Hospitality | 2018 |
| Admi Houses Limited | Real estate | 2025 |
| ADR Plumbing & Heating Services Limited | Construction | 2018 |
| Advanced Safety Plus Ltd | Administrative & support | 2017 |
| Aebi UK Limited | Wholesale & retail | 2003 |
| AF1S Limited | Administrative & support | 2016 |
| Afon AUR Limited | Professional & scientific | 2010 |
| Afrisparkle Ltd | Wholesale & retail | 2026 |
| Agility Housing Group Ltd | Real estate | 2019 |
| Agility Living Limited | Real estate | 2019 |
| Agility Property Ltd | Real estate | 2019 |
| AGL Services Ltd | Professional & scientific | 2025 |
| Agri Spar Limited | Wholesale & retail | 2013 |
| Agri-Travel Ltd | Administrative & support | 2025 |
| AIG Global Limited | Administrative & support | 2024 |
| Ainsworth-Hides Limited | Education | 2012 |
| Airbnbizzare Ltd | Hospitality | 2025 |
| Aircraft Painter Certification Scheme Ltd | Professional & scientific | 2017 |
| Airport Parking Northern Limited | Transport & logistics | 2010 |
| Aitch & DEE Limited | Information & communication | 2015 |
| AJB Property Management Limited | Real estate | 2012 |
| AJL Developments Limited | Hospitality | 2004 |
| AJL Group Investments Limited | Hospitality | 2011 |
| AJL Hotel Holdings Limited | Financial services | 2015 |
| AKO Yorkshire Ltd | Construction | 2024 |
| Akps Fitness Ltd | Arts & recreation | 2025 |
| Al-Karam Publications Ltd | Information & communication | 2011 |
| Alabaster Brand Collections Ltd | Manufacturing | 2026 |
| Alan E Mitchell Ltd | Professional & scientific | 2011 |
| Albie Hire Ltd. | Administrative & support | 2010 |
| Albie Sales Ltd | Wholesale & retail | 2020 |
| Alexander Anna Limited | Professional & scientific | 2017 |
| Alexander Jacob Financial Limited | Financial services | 2025 |
| Alexander Jacob Limited | Real estate | 2012 |
| Alexander Jacob Property Management Ltd | Real estate | 2012 |
| Alexson Limited | Wholesale & retail | 2003 |
| Alfie Gamble Transport (AGT) Ltd | Transport & logistics | 2025 |
| ALL About Food Service Limited | Manufacturing | 2020 |
| ALL Events Kitchen Ltd | Hospitality | 2025 |
| ALL Star Window Cleaning Ltd | Administrative & support | 2024 |