| Brockham-Chelwood Freehold Limited | Households | 2015 |
| Brockham-Chelwood Residents' Company Limited | Households | 2003 |
| Brocklesby Residents Co. Limited | Households | 1986 |
| Brookscroft Management Limited | Households | 1981 |
| Building Property Edge Ltd | Construction | 2012 |
| Buildroi Limited | Real estate | 2025 |
| Burger Nation Ltd | Hospitality | 2021 |
| Butler Projects Limited | Professional & scientific | 2023 |
| C & C Computing Ltd | Information & communication | 1998 |
| C & C Mailbase Ltd | Information & communication | 1999 |
| C J Baker Building Ltd | Construction | 2013 |
| C.S. Podd & SON Limited | Manufacturing | 1981 |
| Caloric Advisory Ltd | Professional & scientific | 2026 |
| Canary View (Narrow Street) Management Company Limited | Households | 1992 |
| Castle Keep (Reigate) Property Management Company Limited | Households | 1999 |
| Catax Limited | Transport & logistics | 1970 |
| Champagne Vintage Ltd | Wholesale & retail | 2019 |
| Cheamgrove Limited | Households | 1982 |
| Cherrystars Ltd | Information & communication | 2020 |
| Cherrystars Performing Arts Ltd | Arts & recreation | 2013 |
| Chester Estate Management Company Limited | Households | 1978 |
| Chester House (Dorking) Management Company Limited | Households | 1978 |
| Chichester Court Management Company Limited | Households | 1983 |
| Cigno Nero Ltd | Administrative & support | 2009 |
| Citrus Networks Ltd | Information & communication | 2024 |
| City Breaks London Limited | Wholesale & retail | 1989 |
| City Edge (Barkingside) Management Company Limited | Households | 2004 |
| Clama Films Limited | Information & communication | 2024 |
| Cleartech International Limited | Administrative & support | 2018 |
| Cleveland Court Residents Association Limited | Households | 1959 |
| Closet and Concierge Limited | Transport & logistics | 2026 |
| Cloud Business and Payroll Ltd | Administrative & support | 2020 |
| Clough Carpets Limited | Wholesale & retail | 2020 |
| Coffee & Prayer Ltd | Education | 2019 |
| Colindale Gardens (NO.3) Residents Company Limited | Households | 1987 |
| Collette Court Management Company Limited | Households | 1986 |
| Colsec Limited | Manufacturing | 1974 |
| Conceptunit Property Management Limited | Households | 1999 |
| Consilium Corporate Services Ltd | Professional & scientific | 2011 |
| Contemporary Media Music Productions Limited | Arts & recreation | 1985 |
| Controls for Doors Ltd | Wholesale & retail | 1995 |
| Coote Investment Company Limited | Financial services | 2025 |
| Copse Wood Court Management Company Limited | Households | 1993 |
| Coulsdon Woods Management Limited | Households | 1966 |
| CR3 Automotive Limited | Wholesale & retail | 2015 |
| Crobertson LLP | | 2013 |
| Cromwell Place Residents Company Limited | Households | 1991 |
| Cullane Limited | Households | 1997 |
| Dalton Property Ltd | Real estate | 2025 |
| David Baird Construction Ltd | Administrative & support | 2017 |
| Dbpinuk Limited | Arts & recreation | 2024 |
| Deansbrook (Burnt Oak) NO. 3 Residents Company Limited | Households | 1987 |
| Deansbrook (Burnt Oak) NO. 5 Residents Company Limited | Households | 1987 |
| Deansbrook (Burnt Oak) NO.2 Residents Company Limited | Households | 1986 |
| Desncode Ltd | Information & communication | 2025 |
| Destino Estates Ltd | Real estate | 2022 |
| Divine Facilities Management Limited | Administrative & support | 2023 |
| Douse Associates 2017 LLP | | 2005 |
| Douse Associates Ltd | Professional & scientific | 2017 |
| Dowen Holdings Limited | Manufacturing | 2025 |
| Dream Decor Limited | Construction | 2012 |
| Dreamline Commercial Ltd | Real estate | 2021 |
| Dreamline Glazing Ltd | Construction | 2016 |
| DTK Haulage and Plant Hire Ltd | Transport & logistics | 2025 |
| DTK Health & Safety Consultants Ltd | Professional & scientific | 2025 |
| Eastgate SE14 (Blocks J,K,L, and M) Management Company Limited | Households | 1995 |
| Educational Solutions Team Ltd | Education | 2012 |
| EF Bidco Limited | Financial services | 2014 |
| EF Holdco Limited | Financial services | 2014 |
| EF Investco Limited | Professional & scientific | 2014 |
| EF Midco Limited | Financial services | 2014 |
| EL ROI Consulting Ltd | Administrative & support | 2025 |
| Elbrus-Tolima Estates Ltd | Real estate | 2006 |
| Electrician Services Ltd | Manufacturing | 2018 |
| Elitehubtraders Ltd | Wholesale & retail | 2025 |
| Enable 2 Create Ltd | Education | 2019 |
| English Oak Tree Services Ltd | Administrative & support | 2013 |
| Enna PVT Ltd | Health & social care | 2026 |
| Eothen Close Management Company Limited | Households | 1998 |
| Eredita Limited | Wholesale & retail | 2005 |
| Ethical Suppliers Limited | Wholesale & retail | 2024 |
| Evaluation Consultants Limited | Professional & scientific | 2003 |
| Evans Car Sales Ltd | Wholesale & retail | 2024 |
| Ever Grandeur Ltd | Wholesale & retail | 2026 |
| Evie's Aesthetics Ltd | Other services | 2019 |
| FAA Consulting Ltd | Professional & scientific | 2025 |
| Faccioli International Business Ltd | Transport & logistics | 2025 |
| Fade Room Surrey Ltd | Other services | 2026 |
| Fairweather & Associates Ltd | Professional & scientific | 2021 |
| Falcon Financial Planning Limited | Financial services | 2005 |
| Fanshawe Management Limited | Households | 2015 |
| FAT Girl Property Limited | Real estate | 2011 |
| FCC Bullion Limited | Wholesale & retail | 2026 |
| Ferris Grove Management Company Limited | Households | 1988 |
| Fireflies Digital Ltd | Information & communication | 2017 |
| Floray Ltd | Health & social care | 2022 |
| Formark Scaffolding (Holdings) Limited | Construction | 1992 |
| Formark SGB Limited | Construction | 2016 |
| FRC Consultancy Limited | Information & communication | 2016 |
| Fresh Start (Eco Cleaning) Ltd | Administrative & support | 2024 |