| Brogster Ltd | Information & communication | 2010 |
| Bromige Limited | Financial services | 2006 |
| Brooklands Watch Company Limited | Manufacturing | 2017 |
| Buckhurst Capital Limited | Professional & scientific | 2022 |
| Bugsports Ltd | Manufacturing | 2026 |
| Burleigh Walk (Crawley Down) Management Company Limited | Households | 2007 |
| Buzz Contracting Limited | Construction | 2025 |
| C King Associates Limited | Professional & scientific | 1998 |
| C Shires Mortgage Solutions Limited | Administrative & support | 2024 |
| C&B Hospitality Limited | Hospitality | 2023 |
| Cafe Coco FR Ltd | Hospitality | 2024 |
| Calmann Limited | Professional & scientific | 2025 |
| Calvary Roofing Ltd | Construction | 2024 |
| Cape 7764 Ltd | Information & communication | 2023 |
| Capital Logistics Limited | Transport & logistics | 2022 |
| Car Compass Ltd | Wholesale & retail | 2025 |
| Cara Contractors Ltd | Construction | 2025 |
| Carr Hazell Limited | Wholesale & retail | 2015 |
| Cellar Key Ltd | Wholesale & retail | 2020 |
| Cellarius Holdings Limited | Administrative & support | 2022 |
| Central Garage (Upper Hartfield) Limited | Wholesale & retail | 2005 |
| Certus Automotive Consultants Limited | Professional & scientific | 2024 |
| CFL Infrastructure Ltd | Construction | 2024 |
| Chalbrook Fire & Maintenance Limited | Construction | 1996 |
| Chalbrook Holdings Limited | Financial services | 2023 |
| Chalbrook Property & Investment Company Limited | Real estate | 1999 |
| Chalbrook Services Limited | Construction | 1993 |
| Chalmont Limited | Administrative & support | 2023 |
| Chaphold Limited | Real estate | 2022 |
| Chapman Consulting Ltd | Construction | 1999 |
| Chard House Ltd | Hospitality | 2024 |
| Charlie Davies Connections Limited | Professional & scientific | 2022 |
| Charlwood Ltd | Manufacturing | 2011 |
| Chequers Inn Hotel Limited | Hospitality | 2005 |
| Cherrywood Court (Teddington) Ltd | Real estate | 2019 |
| Chesterfield Developments Limited | Real estate | 1986 |
| Child of Ltd | Education | 2015 |
| Childrens Forest Ltd | Professional & scientific | 2020 |
| Chrianna Consultants Limited | Information & communication | 1999 |
| Cistus Consulting Limited | Construction | 2024 |
| City Data Services Ltd | Construction | 2024 |
| CK Office Solutions Limited | Administrative & support | 2011 |
| Clearview Enterprises Limited | Real estate | 2025 |
| Clement House Tech Ltd | Information & communication | 2026 |
| Click TAP Swipe Limited | Information & communication | 2012 |
| CMH Admin Limited | Households | 2024 |
| Comparator Limited | Administrative & support | 2000 |
| Compi Management Limited | Households | 2007 |
| Conscious Craft Ltd | Wholesale & retail | 2015 |
| Conscious World Consulting Ltd | Professional & scientific | 2020 |
| Cooltech Products Ltd | Wholesale & retail | 2021 |
| Corporate Evolution Limited | Administrative & support | 2011 |
| Coursecheck Limited | Information & communication | 2012 |
| COX Consulting Limited | Professional & scientific | 1997 |
| Craigmore Hall Limited | Construction | 2021 |
| Crossfire Solutions Limited | Information & communication | 2004 |
| Curtis Highlander Ltd | Professional & scientific | 2026 |
| Cypress Bay Limited | Administrative & support | 2023 |
| Cypress Links Golf Network Limited | Administrative & support | 2025 |
| Cyrnel Bakery Limited(The) | Manufacturing | 1974 |
| D & V Harrison Investments Ltd | Financial services | 2024 |
| D K Group Ltd | Construction | 2013 |
| Daelmans Pastries Limited | Manufacturing | 1991 |
| Dairy Hypochlorite Ltd | Wholesale & retail | 2019 |
| Danni Beach Photography Ltd | Arts & recreation | 2014 |
| Darren Smith Consultancy Limited | Administrative & support | 2020 |
| David Glenister Beds & Flooring Limited | Construction | 2014 |
| Day's Books and Records Limited | Wholesale & retail | 2025 |
| Design to Print UK Ltd | Administrative & support | 1998 |
| Dgwm Financial Limited | Financial services | 2017 |
| Diamond Couriers Limited | Transport & logistics | 1988 |
| Diamond International Limited | Transport & logistics | 2000 |
| Dictation Solutions Limited | Information & communication | 2017 |
| DIGITAL4 Limited | Information & communication | 2014 |
| DIRECT2FLORIST Ltd | Wholesale & retail | 2024 |
| Dltuk Ltd | Construction | 2025 |
| DMC Partnership Limited | Professional & scientific | 2013 |
| Dmech Limited | Construction | 2003 |
| Dog Star Property Limited | Real estate | 2021 |
| Dominionheir Ltd. | Other services | 2020 |
| Douch Partners Limited | Construction | 2001 |
| DP Glazing Limited | Construction | 2012 |
| Dragon Fireworks Limited | Administrative & support | 1997 |
| Drinktank Global Limited | Professional & scientific | 2020 |
| Duncan Cars Limited | Wholesale & retail | 2025 |
| Dutieuk Ltd | Information & communication | 2017 |
| Earth Friend Limited | Professional & scientific | 2014 |
| Edgcumbe South East Limited | Hospitality | 2012 |
| Edkins & Sons Properties Limited | Real estate | 2021 |
| Educationklub Ltd | Education | 2021 |
| Eduvest Limited | Administrative & support | 2016 |
| Eigen Digital Limited | Extraterritorial | 2023 |
| El-Barbary Properties Limited | Real estate | 2022 |
| Elite Hotels (Rotherwick) Limited | Hospitality | 1985 |
| Elizabeth James Properties Limited | Real estate | 2011 |
| Emerson College Enterprises Limited | Construction | 2016 |
| Emploi Recruitment Limited | Administrative & support | 2011 |
| Empower Agency Ltd | Professional & scientific | 2013 |
| END of the Road Festival Ltd | Arts & recreation | 2005 |
| Epoch Estimating Limited | Professional & scientific | 2024 |