| Birch Lodge Ltd | Health & social care | 2025 |
| Block Buys Europe Ltd | Information & communication | 2013 |
| Body Mind Care Ltd | Wholesale & retail | 2020 |
| Bold CX Ltd | Professional & scientific | 2022 |
| Bothwells Ltd | Health & social care | 2001 |
| Boulangerie BON Matin Ltd | Hospitality | 2010 |
| Bounds Green Dental Practice LLP | | 2009 |
| Bowlem Ltd | Real estate | 2008 |
| Brand Room Global Limited | Professional & scientific | 2018 |
| Bridgeway Homes (UK) Limited | Construction | 2015 |
| Britstop Limited | Real estate | 1993 |
| Broken Acre Ltd | Health & social care | 2013 |
| Brsd Ltd | Real estate | 2020 |
| Built IQ London Limited | Construction | 2023 |
| Built IQ Ltd | Construction | 2019 |
| Butcher Grips Ltd | Information & communication | 2022 |
| BVS Construction Ltd | Construction | 2014 |
| C DI Palma Ltd | Construction | 2014 |
| C-Breez Limited | Information & communication | 2015 |
| C. LEW Hodgins & Sons Limited | Construction | 2013 |
| Campden Hill Gardens Management Limited | Households | 2002 |
| Canvas Consults Ltd | Information & communication | 2015 |
| Canvas Philanthropy Limited | Professional & scientific | 2017 |
| Capelli Lounge by JOE Ltd | Other services | 2021 |
| Capital GAS & Heating Services Limited | Manufacturing | 2015 |
| Cara Worldwide Sales & Marketing Limited | Professional & scientific | 2019 |
| Carina Property Investments Limited | Real estate | 2023 |
| Caring Group Limited | Administrative & support | 2017 |
| Carpet Masters of London Limited | Wholesale & retail | 1997 |
| CAS Ventures Limited | Real estate | 2010 |
| Castlebg Limited | Professional & scientific | 2016 |
| CE2L Limited | Other services | 2018 |
| Charles Square Distribution Limited | Wholesale & retail | 2016 |
| Chef Tastik Ltd | Extraterritorial | 2017 |
| Chestnut Lodge Care Limited | Health & social care | 2026 |
| Chiswick Care Limited | Health & social care | 1996 |
| Clearance Solutions Ltd | Transport & logistics | 2009 |
| CMF Surveyors and Valuers Ltd | Professional & scientific | 2021 |
| Cocktail Kate Ltd | Administrative & support | 2023 |
| Compass Access Limited | Manufacturing | 2019 |
| Concept Ilex Limited | Hospitality | 2023 |
| Conceptual Design Associates Limited | Professional & scientific | 2004 |
| Continental Shutters Ltd | Construction | 2024 |
| Contractor Mortgage Services Ltd | Professional & scientific | 2016 |
| Convergys Capital Limited | Financial services | 2018 |
| Convex FX Ltd | Information & communication | 2018 |
| Corbould Consultants Limited | Professional & scientific | 2018 |
| Corbould Productions Limited | Information & communication | 2018 |
| Core Valuers Ltd | Professional & scientific | 2022 |
| Courier Network Systems Limited | Transport & logistics | 1996 |
| Creative Mindsets Scenery Ltd | Manufacturing | 2018 |
| Creditum F2 Limited | Financial services | 2025 |
| Creme Beauty Limited | Other services | 2015 |
| Creo Building Services Limited | Construction | 2010 |
| Crest Travel Limited | Other services | 2018 |
| Croydon Five Ltd | Administrative & support | 2018 |
| Cruzing 4A Bluzing Ltd | Information & communication | 2025 |
| CV Coaching Limited | Financial services | 2025 |
| D & M Properties (London) Ltd | Real estate | 2011 |
| D Tibber Limited | Financial services | 2003 |
| Daler Partners Limited | Professional & scientific | 2022 |
| Darenda Mews (UK) Ltd | Professional & scientific | 2018 |
| David Graham Associates (Holdings) Limited | Professional & scientific | 2014 |
| David Graham Associates Limited | Professional & scientific | 2014 |
| DE Paolis Limited | Wholesale & retail | 2016 |
| Dedham Dog Co. Ltd | Manufacturing | 2020 |
| Desiderio Ltd | Wholesale & retail | 2026 |
| Dhami Dental Surgeons Ltd | Health & social care | 2007 |
| Divus Trading Limited | Information & communication | 2014 |
| DM Urban Ltd | Real estate | 2025 |
| Dormy Cottage Limited | Construction | 2016 |
| Dostar Limited | Real estate | 2003 |
| Downsway SSB Ltd | Administrative & support | 2018 |
| DR Julian Eden Ltd | Real estate | 2025 |
| DR Toufan Bahrami Ltd | Health & social care | 2009 |
| Drayton, Mermaid & Co. Ltd | Real estate | 2017 |
| Dream Honeymoons Limited | Administrative & support | 2009 |
| Dsrk Properties Limited | Real estate | 2019 |
| Dyna Pro Dynamometers Limited | Manufacturing | 2009 |
| E.C.F.I. Limited | Real estate | 1959 |
| East Central Investors Ltd | Real estate | 2017 |
| East Central Residents Ltd | Households | 2017 |
| Ecco Service & Repair Ltd | Manufacturing | 2022 |
| Edward PHP Limited | Information & communication | 2024 |
| Effects Associates Limited | Information & communication | 2019 |
| Elder House Care Limited | Health & social care | 2026 |
| Elite Smile Ltd | Health & social care | 2014 |
| Empowering Yoga Limited | Arts & recreation | 2012 |
| Emwhy Properties Ltd | Real estate | 2026 |
| Encase Design Limited | Manufacturing | 2020 |
| Eric K LIM Limited | Health & social care | 2010 |
| Eric Rogers Global Limited | Administrative & support | 2022 |
| Europa Brands Limited | Wholesale & retail | 2006 |
| Europa Property Ltd | Real estate | 2019 |
| Exit Keys 2020 Ltd | Real estate | 2020 |
| Exochem Limited | Wholesale & retail | 1996 |
| Fairway London Limited | Construction | 2024 |
| Feel Good With Lavina Limited | Arts & recreation | 2023 |
| Fern Lodge Limited | Health & social care | 2019 |
| Filtering Media Manufacturers Ltd | Manufacturing | 2010 |