| 2AAB Ltd | Real estate | 2024 |
| 6 Brothers Global Properties Ltd | Real estate | 2022 |
| AA Chauffeur Group Ltd | Transport & logistics | 2024 |
| Abcxyz Limited | Education | 2022 |
| Abell Company Registration Ltd | Administrative & support | 2020 |
| Abootalebi Family Holdings Ltd | Real estate | 2017 |
| Abootalebi Family Partnership LLP | | 2017 |
| Ace and Co Properties Limited | Real estate | 2018 |
| Ace Investment Properties Ltd | Financial services | 2021 |
| Aces Aviation Ltd | Transport & logistics | 2023 |
| AEG Cleaning Services Ltd | Administrative & support | 2021 |
| Afghan Action | Education | 2005 |
| African Bagg UK Ltd | Other services | 2020 |
| AI Software Works Limited | Information & communication | 2023 |
| Ajegbo Family Holdings Ltd | Real estate | 2016 |
| Ajegbo Family Partnership LLP | | 2016 |
| Alkemist Advisory Ltd | Professional & scientific | 2025 |
| Alpha Consult UAE Limited | Administrative & support | 2010 |
| Alphaloop AI Ltd | Information & communication | 2024 |
| Alterniq Events Ltd | Administrative & support | 2010 |
| Altrum AI Ltd | Information & communication | 2024 |
| Ameen Investments Ltd | Real estate | 2025 |
| Anand Apostille & Legalisation Services Ltd | Professional & scientific | 2026 |
| ANR Commercial LLP | | 2008 |
| ANR Estates Limited | Real estate | 2014 |
| ANR SA Ltd | Real estate | 2022 |
| April TRI Limited | Real estate | 2026 |
| Ardengate Estates Limited | Real estate | 2011 |
| Ardengate Property Management LLP | | 2017 |
| Artemis Property Partnership LLP | | 2022 |
| Arthur J. Goldman Consultants Ltd | Professional & scientific | 2014 |
| Atol Trading Ltd | Information & communication | 2022 |
| Auctore Limited | Administrative & support | 2010 |
| Aurora Properties Partnership Limited | Real estate | 2021 |
| B G Lawyers LLP | | 2011 |
| Beatrix House Ltd | Real estate | 2022 |
| Beckford's Incorporated Limited | Manufacturing | 2026 |
| Benson Legal Services Limited | Professional & scientific | 2017 |
| Berkeley Rand Ltd | Administrative & support | 2020 |
| Bevan Austin Limited | Professional & scientific | 2012 |
| Beyond Organic Skincare Ltd | Manufacturing | 2006 |
| Bizoffice Limited | Administrative & support | 2024 |
| Blackthorn Crescent Project Ltd | Real estate | 2022 |
| Blumont Annuity Company UK Ltd | Financial services | 2022 |
| Bold Tech Limited | Information & communication | 2022 |
| Brasien Consultancy Ltd | Professional & scientific | 2019 |
| Brasien Management Limited | Financial services | 2021 |
| Bright Cycles Limited | Wholesale & retail | 2003 |
| Brucan Holdings Ltd | Financial services | 2021 |
| Brucan Pubs Ltd | Hospitality | 2018 |
| Byte Entertainment Ltd | Professional & scientific | 2016 |
| Callerow Ltd | Professional & scientific | 2023 |
| Canary Consulting Limited | Other services | 2022 |
| Canary Wharf (BP1) T1 Limited | Real estate | 2002 |
| Canary Wharf (BP1) T2 Limited | Real estate | 2002 |
| Canary Wharf B2 SPV1 Limited | Construction | 2019 |
| Canary Wharf B2 SPV2 Limited | Construction | 2019 |
| Canary Wharf Estate Limited | Administrative & support | 1995 |
| Canary Wharf Facilities Management Limited | Professional & scientific | 2003 |
| Canary Wharf Holdings (FC2) Limited | Administrative & support | 2005 |
| Canary Wharf Holdings (FC4) Limited | Administrative & support | 2005 |
| Canary Wharf Investments (BP1) Limited | Construction | 2002 |
| Canary Wharf Investments (FC4) Limited | Administrative & support | 2005 |
| Canary Wharf NQO Limited Partnership | | 2017 |
| Canary Wharf Properties (FC2) Limited | Administrative & support | 2005 |
| Canary Wharf Properties (FC4) Limited | Administrative & support | 2005 |
| Canary Wharf Retail (FC2) Limited | Administrative & support | 2005 |
| Canary Wharf Retail (FC4) Limited | Administrative & support | 2005 |
| Capital Stay Limited | Real estate | 2019 |
| Capital Time & Co Ltd | Wholesale & retail | 2025 |
| Carverra Limited | Wholesale & retail | 2026 |
| Cats in the City Ltd | Other services | 2025 |
| Cavendish House (UK) Ltd | Professional & scientific | 2004 |
| Ceramics Dept LLP | | 2020 |
| Change Perspective (TCC) Limited | Professional & scientific | 2022 |
| Chase Hattan Watches Limited | Wholesale & retail | 2018 |
| Chen Family Holdings Ltd | Real estate | 2018 |
| Chen Family Partnership LLP | | 2018 |
| Chevron International Exploration and Production Company Limited | Administrative & support | 2019 |
| Cinematic Labs Ltd | Information & communication | 2022 |
| CIP SLI Ukpf Nominee NO 1 Limited | Professional & scientific | 2006 |
| CIP SLI Ukpf Nominee NO 2 Limited | Professional & scientific | 2006 |
| CIP Threadneedle UK Property Nominee NO. 1 Limited | Professional & scientific | 2005 |
| Citicapital Leasing (March) Limited | Financial services | 1981 |
| Citiclient (CPF) Nominees Limited | Professional & scientific | 2000 |
| Citiclient (CPF) Nominees NO 2 Limited | Professional & scientific | 2000 |
| Citiclient Nominees NO 9 Limited | Financial services | 2006 |
| Citicorp Trustee Company Limited | Financial services | 1928 |
| Citigroup Global Markets Europe Limited | Professional & scientific | 1981 |
| Citigroup Global Markets Limited | Financial services | 1983 |
| Citigroup Partners UK | | 2001 |
| Citivic Nominees Limited | Professional & scientific | 1984 |
| CNO Partners Limited | Financial services | 2023 |
| Cobanq Ltd | Financial services | 2003 |
| Commercial Real Estate Finance Council Europe (CRE Finance Council-Europe) | Other services | 2004 |
| Coutts-Baldwin Limited | Professional & scientific | 2001 |
| Crouch Prediction Limited | Administrative & support | 2016 |
| CS Employment Ltd | Administrative & support | 2023 |
| Cwcb Investments (WF9) Limited | Professional & scientific | 2001 |
| CWG (Wood Wharf) Holdings Limited | Professional & scientific | 2005 |