| 1 Campbell Road Freehold Limited | Extraterritorial | 2008 |
| 1 Hundy Limited | Wholesale & retail | 2021 |
| 100A Kennel Ride Management Company Limited | Households | 2024 |
| 10110101 Limited | Arts & recreation | 2016 |
| 10W Ltd | Other services | 2015 |
| 113 Property Ltd | Real estate | 2022 |
| 120,122,124 & 126 Kennel Ride Residents Limited | Households | 2009 |
| 199 Queenstown Road Limited | Households | 2012 |
| 1CAPUK Limited | Financial services | 2026 |
| 20 the Pavement RTM Company Ltd | Real estate | 2015 |
| 22 Constantine Street RTM Company Limited | Households | 2020 |
| 22 Eldon Road Residents Committee Limited | Real estate | 2001 |
| 27 Left Training Ltd | Professional & scientific | 2022 |
| 299/301 Kings Road Properties Limited | | 1988 |
| 360 Eco Limited | Professional & scientific | 2012 |
| 3CS Technologies Ltd | Information & communication | 2014 |
| 4 Hospitality Solutions Ltd | Hospitality | 2003 |
| 5-8 Abbey Court Limited | Extraterritorial | 2007 |
| 59 Enterprises Limited | Other services | 2018 |
| 6&7 Waltons Parade RTM Company Limited | Households | 2018 |
| 6GCO Ltd | Information & communication | 2021 |
| 6SLG Limited | Administrative & support | 2015 |
| 7 TAW Vale Management Company Limited | Households | 2024 |
| 72K the Movie Limited | Information & communication | 2025 |
| 8 TAW Vale Management Company Limited | Households | 2024 |
| 8TH June 2015 Limited | Hospitality | 2015 |
| A & C Copying Limited | Administrative & support | 1999 |
| A C Wolf Ltd | Real estate | 2024 |
| A D Special Projects Ltd | Real estate | 2018 |
| A Different Life Limited | Extraterritorial | 2019 |
| A H Film Management Limited | Information & communication | 2009 |
| A J Brooke Properties Ltd | Real estate | 2024 |
| A&M Transport Services Limited | Water & waste | 2023 |
| A-Mat Housing Association CIC | Hospitality | 2024 |
| A. I Anaesthetic Ltd | Health & social care | 2022 |
| A.A. Consultancy Limited | Construction | 2012 |
| A.J. Brooke Funeral Directors Ltd | Other services | 2009 |
| A.Jandu Holdings Limited | Real estate | 2026 |
| A.T.O.M. Limited | Manufacturing | 1984 |
| A.T.O.M. Property Limited | Real estate | 2012 |
| AAA Holding Group Ltd | Wholesale & retail | 2004 |
| AAE Project Management EDU Ltd | Education | 2024 |
| Aandesashwindows Ltd | Construction | 2023 |
| Aarrhus Developments (Abingdon Road) Limited | Construction | 2021 |
| Aarrhus Developments Limited | Administrative & support | 2011 |
| Aatp Medical Limited | Health & social care | 2022 |
| AB Investment Solutions Limited | Financial services | 2014 |
| Abbey Court Hampton Limited | Real estate | 2007 |
| Abil Office Solutions Limited | Administrative & support | 2008 |
| Abjt Ltd | Real estate | 2007 |
| Abma Education Ltd | Education | 1999 |
| Acambah Limited | Information & communication | 2016 |
| Accountancy Consultancy Services Limited | Professional & scientific | 2012 |
| Accountancy in Business Limited | Professional & scientific | 2013 |
| Acesur Limited | Wholesale & retail | 2019 |
| Actimed Therapeutics Ltd | Professional & scientific | 2016 |
| Active Solutions Physio Limited | Health & social care | 2024 |
| Adam Clark’S Garden Maintenance Ltd | Administrative & support | 2019 |
| Adaptable Team Solutions Limited | Administrative & support | 2013 |
| Adaptive Intelligence Limited | Information & communication | 2024 |
| Adiona Ventures Ltd | Transport & logistics | 2024 |
| Adviseaer Ltd | Professional & scientific | 2024 |
| Aegis Security Consultants Limited | Administrative & support | 2021 |
| AEK Ventures Ltd | Information & communication | 2022 |
| AEM Systems Limited | Information & communication | 1993 |
| AFC Properties Ltd | Hospitality | 2022 |
| Agartha INK Ltd | Wholesale & retail | 2026 |
| Agileassets Ltd | Information & communication | 2014 |
| Agincourt Residents (Ascot) Limited | Households | 1994 |
| Agora Network Ltd. | Education | 2024 |
| Agriation Ltd | Wholesale & retail | 2025 |
| Agrismart Zambia (Isoka) Ltd | Agriculture & fishing | 2024 |
| Agrismart Zambia Ltd | Financial services | 2024 |
| AHP Advisory Limited | Professional & scientific | 2019 |
| Ahwi (UK) Limited | Wholesale & retail | 2000 |
| AI Innovate Educate Ltd | Information & communication | 2024 |
| Aimellion Limited | Professional & scientific | 2023 |
| Air Audio Visual Limited | Wholesale & retail | 2008 |
| Air Supply (Windsor) Limited | Construction | 2007 |
| Airdigital Services Limited | Information & communication | 2015 |
| Airport Specialist Ltd | Transport & logistics | 2014 |
| Ajaco Limited | Information & communication | 1997 |
| Ajamax Productions Ltd | Professional & scientific | 2009 |
| Ajay Business Centres Limited | Real estate | 2001 |
| Ajay Group Limited | Information & communication | 2001 |
| AJJ Project Services Ltd | Administrative & support | 2014 |
| AJN Land Limited | Real estate | 2015 |
| AKA Studio Limited | Arts & recreation | 2015 |
| Akaal Sahai Cement Ltd | Wholesale & retail | 2025 |
| Alan Lindsay Consultancy Limited | Information & communication | 2024 |
| Albe Global Partners Limited | Professional & scientific | 2021 |
| Alcam Associates Ltd | Professional & scientific | 2011 |
| Alderson Court Management Company Limited | Professional & scientific | 2012 |
| Aldridge Motor Company Limited | Real estate | 1992 |
| Aldus Consulting Limited | Professional & scientific | 2016 |
| Alegria Polo Limited | Agriculture & fishing | 2022 |
| Alegria PT Limited | Agriculture & fishing | 2022 |
| Alex Freeman Photography Ltd | Professional & scientific | 2015 |
| Alexander AC Limited | Construction | 2009 |
| ALL 4 Decor Ltd | Wholesale & retail | 2016 |