| 1901 Design Ltd | Professional & scientific | 2011 |
| 20 South Street Freehold Limited | Real estate | 2019 |
| 3D Coaching Ltd | Professional & scientific | 2003 |
| 407 Developments Ltd | Real estate | 2026 |
| 999 Watches Limited | Extraterritorial | 2014 |
| A40 Property Holdings Ltd | Real estate | 2026 |
| AA Investment Limited | Other services | 2018 |
| Aaap Holdings Ltd | Real estate | 2022 |
| AAC Holdings London Ltd | Real estate | 2025 |
| Accountants of London Limited | Professional & scientific | 2018 |
| Aceos Investments Limited | Real estate | 2023 |
| Acorn Andrology Ltd | Professional & scientific | 2022 |
| Acuity Optics Ltd | Health & social care | 2009 |
| AD London Ltd | Other services | 2016 |
| Advanspec UK Limited | Other services | 2016 |
| AGJ Property Investments Limited | Real estate | 2023 |
| Aleksa Studio Ltd | Professional & scientific | 2014 |
| ALI Allbuild Ltd | Construction | 2023 |
| Allen Davies (Leyton) Ltd | Real estate | 2014 |
| Aloa Investments Ltd | Real estate | 2025 |
| Alpine Interactive UK Ltd | Other services | 2001 |
| Altus Search Limited | Administrative & support | 2010 |
| Amani Simpson Ltd | Information & communication | 2023 |
| Andy's Sandwiches Ltd | Other services | 2010 |
| Anna Demetriou Limited | Arts & recreation | 2024 |
| AP Audio Labs Ltd | Information & communication | 2026 |
| AP Capital Properties Ltd | Real estate | 2023 |
| Arcasea Developments Limited | Real estate | 1997 |
| Arco Developments Limited | Construction | 2013 |
| Arco Real Estate Group Limited | Construction | 2025 |
| Argonaut Management Services Ltd | Professional & scientific | 2020 |
| ARI Design Ltd | Manufacturing | 2023 |
| Armari Bedrooms Limited | Manufacturing | 2005 |
| Artisan Homes London Ltd | Wholesale & retail | 2024 |
| Asas Cyber Solutions Ltd | Information & communication | 2024 |
| ASK Consultancy Limited | Other services | 2016 |
| ASL Properties London Limited | Real estate | 2019 |
| Athenian Bakery Ltd | Manufacturing | 2022 |
| Atlas Design & Build Group Ltd | Construction | 2026 |
| Augusta Trading Ltd | Professional & scientific | 2019 |
| Aura Investment Properties Limited | Real estate | 2025 |
| Auriga Plus Limited | Other services | 2013 |
| Aviard Inspires CIC | Information & communication | 2015 |
| Aviard Solutions Ltd | Information & communication | 2014 |
| Aviard Visions CIC | Education | 2020 |
| Ayios Investments Limited | Real estate | 2023 |
| Ayios Properties Limited | Other services | 2007 |
| B Halliday Ltd | Administrative & support | 2014 |
| Badby Limited | Financial services | 2017 |
| Bally Contracts Ltd | Construction | 2012 |
| BBN Properties Ltd | Real estate | 2025 |
| BEA1 Ltd | Wholesale & retail | 2021 |
| Beirut Nights Ltd | Hospitality | 2025 |
| Bespoke Diamond Services Ltd | Wholesale & retail | 2015 |
| Big City Plumb & Heat Ltd | Construction | 2019 |
| Black Canvas Holdings Ltd | Information & communication | 2020 |
| Black Canvas Music Ltd | Information & communication | 2020 |
| Black Canvas Publishing Ltd | Administrative & support | 2016 |
| Black Canvas Records Ltd | Arts & recreation | 2016 |
| Blanks & Bangs Limited | Manufacturing | 2024 |
| Bloomsbury Camera Repairs Limited | Other services | 2016 |
| Bond Chauffeur Services Limited | Professional & scientific | 2023 |
| Bookkeepers of London Limited | Professional & scientific | 2023 |
| Bowery Property Finders Limited | Other services | 2015 |
| Bplk Property Investments Ltd | Real estate | 2025 |
| Bridge Link Community Care Ltd | Health & social care | 2004 |
| Bright Detailing Ltd | Administrative & support | 2024 |
| Bright Salons Ltd | Other services | 2024 |
| Bright Tree Group Ltd | Professional & scientific | 2026 |
| C J Anthony Bespoke Limited | Wholesale & retail | 2020 |
| C.C.N.G. Limited | Real estate | 1994 |
| C.M Property & Investment Limited | Real estate | 2019 |
| CAD Estates Limited | Real estate | 2017 |
| Cadnam Management Limited | Administrative & support | 2006 |
| Camelot Refurbishments Limited | Real estate | 2024 |
| Camera City Limited | Other services | 2016 |
| Canvas Life Ltd | Professional & scientific | 2015 |
| Care Cyber Power Ltd | Information & communication | 2025 |
| Carl Warner Estates Ltd | Real estate | 2019 |
| Cassius Haye Holding Ltd | Arts & recreation | 2025 |
| Castello Homes Limited | Real estate | 2021 |
| CB Mayfair Limited | Wholesale & retail | 2003 |
| CC Bar LDN Limited | Other services | 2021 |
| Central Housing Group Limited | Real estate | 2000 |
| Christo Young Limited | Professional & scientific | 2024 |
| Cilko Limited | Wholesale & retail | 2021 |
| City Property Maintenance & Renovations Limited | Other services | 2022 |
| Cladding Design Ltd | Construction | 2023 |
| Clements Partners Limited | Administrative & support | 2023 |
| Clopton Fields Management Limited | Administrative & support | 2014 |
| CM Building Ltd | Other services | 2023 |
| CMG Paradigm Limited | Other services | 2016 |
| Coffee WIN Ltd | Other services | 2013 |
| Coffee and Kindness Ltd | Wholesale & retail | 2024 |
| College Wood Farm Phase 1 Limited | Administrative & support | 2005 |
| Conflict Advisory Group Limited | Other services | 2017 |
| Conflict Global Limited | Other services | 2017 |
| Conflict Holdings Limited | Other services | 2017 |
| Connect Team Ltd | Wholesale & retail | 2025 |
| Constantinou Investment Properties Limited | Real estate | 2006 |