| BRACKNELL1896 Limited | Arts & recreation | 2026 |
| Branksome Hill Consulting Limited | Professional & scientific | 2022 |
| BRG Media Ltd | Professional & scientific | 2026 |
| Broadway (Limpsfield Common) Limited | Real estate | 2005 |
| Broburn Plumbing and Heating Ltd | Construction | 2019 |
| Browells Wood Ltd | Agriculture & fishing | 2023 |
| Brown and Birch Properties Ltd | Real estate | 2019 |
| C & J Isaac Ltd | Hospitality | 2024 |
| C & T Hoyle Holdings Limited | Financial services | 2019 |
| C E E Relays Limited | Manufacturing | 1986 |
| C M Tiling & Building Services Limited | Construction | 2025 |
| C&O Recruitment Ltd | Transport & logistics | 2016 |
| C. L. P. Electrical Limited | Construction | 2020 |
| C. R. Gate Automations Limited | Professional & scientific | 2005 |
| Cabling Solutions BW Ltd | Administrative & support | 2018 |
| Calamy Consultants Limited | Wholesale & retail | 1998 |
| Calcot Electrical Services Ltd | Energy | 2017 |
| Cali Surveys Limited | Professional & scientific | 2025 |
| Call Carpentry Ltd | Construction | 2017 |
| Camberley Chat Limited | Information & communication | 2018 |
| Camberley Hand Car Wash Ltd | Administrative & support | 2016 |
| Camberley Junior Chess Club Ltd. | Extraterritorial | 2017 |
| Cambridge Coachworks Ltd | Wholesale & retail | 2004 |
| Cambridge International Recruitment Hub Limited | Administrative & support | 2022 |
| Camerryan Enterprises (England) Limited | Administrative & support | 2001 |
| Candle Holdings Ltd | Extraterritorial | 2015 |
| Candle Property Solutions Ltd | Construction | 2013 |
| Capital Advisory Partners Limited | Financial services | 2006 |
| Capital Procurement Limited | Professional & scientific | 2021 |
| Car Trade Limited | Wholesale & retail | 2019 |
| Carbon 2018 Limited | Extraterritorial | 2019 |
| Carbonxgen Limited | Professional & scientific | 2013 |
| Card Professionals Limited | Wholesale & retail | 1996 |
| Carelink 24 Ltd | Administrative & support | 2026 |
| Caroline's Effluent Services Limited | Water & waste | 2010 |
| Cascade Watches Limited | Manufacturing | 2025 |
| Casm Management Ltd | Other services | 2017 |
| Catb Live LLP | | 2015 |
| Catb Touring LLP | | 2025 |
| Cavendish Park Apartments Management Company Limited | Real estate | 2007 |
| CDM Beauty Limited | Other services | 2026 |
| Cfif Holding (NO 3) Limited | Administrative & support | 2016 |
| Chalet London Ltd | Arts & recreation | 2021 |
| Challen Saxby Estates Ltd | Real estate | 2025 |
| Challen Saxby Partners Limited | Professional & scientific | 2011 |
| Chambers Heating and Mechanical Plumbing Ltd | Construction | 2026 |
| Charles Heating and Plumbing Services Limited | Construction | 2025 |
| Chasing Zero | Hospitality | 2011 |
| Chell’S Creative Studio Ltd | Arts & recreation | 2024 |
| Chicken Valley Sandhurst Ltd | Hospitality | 2025 |
| Chiltern Cycleworks Ltd | Wholesale & retail | 2021 |
| Chip & PIP Limited | Information & communication | 2026 |
| Choice Autos Limited | Wholesale & retail | 2013 |
| Chopra Food & Wines Ltd | Wholesale & retail | 2015 |
| CJ & D Consulting Ltd | Professional & scientific | 2016 |
| Clarity Roofline Ltd | Construction | 2012 |
| Clearview Carpet and Window Cleaners Limited | Administrative & support | 2025 |
| Cleat Learning Limited | Education | 2017 |
| Clive Marian | Extraterritorial | 2024 |
| Cloud 9 Minds Ltd | Professional & scientific | 2019 |
| Cloud Bazaar Limited | Information & communication | 2025 |
| Cncbg | Administrative & support | 2023 |
| Cold Chain Vehicle Services Ltd | Administrative & support | 2005 |
| Complete Trading Solutions Ltd | Professional & scientific | 2026 |
| Comyns Court (Sandhurst) Management Company Limited | Households | 2000 |
| Concentric International Limited | Professional & scientific | 2023 |
| Concepts & Words Limited | Information & communication | 1998 |
| Concrete Advisory Service Limited | Professional & scientific | 1987 |
| Concrete Bridge Development Group | Other services | 1992 |
| Concrete Information Limited | Information & communication | 2001 |
| Concrete On-Line Limited | Other services | 2000 |
| Concrete Society Limited(The) | Professional & scientific | 1966 |
| Concrete Training Limited | Professional & scientific | 2001 |
| Connor James Limited | Information & communication | 2016 |
| Contract Flooring Installations Limited | Construction | 2023 |
| Copailot Ltd | Information & communication | 2024 |
| Coronet Flowers Limited | Wholesale & retail | 2014 |
| Courtney Beauty Ltd | Other services | 2024 |
| Crane and Support Services Limited | Construction | 2014 |
| CRD Analytics Ltd | Extraterritorial | 2017 |
| CRD Property Ltd | Real estate | 2018 |
| Creative Kitchen & Bathroom Designs Limited | Administrative & support | 2009 |
| Creative Minds Academy Ltd | Arts & recreation | 2016 |
| Crom Housing Limited | Real estate | 2021 |
| Crossways Home Ltd | Health & social care | 2026 |
| Cruisebourne Limited | Hospitality | 2019 |
| Ctrl-Alt-Delor Limited | Information & communication | 2018 |
| Cubbi Limited | Real estate | 2020 |
| Daborn’S Ltd | Agriculture & fishing | 2020 |
| Dale Consulting Limited | Professional & scientific | 2019 |
| Damask Building Contractors Ltd | Construction | 2015 |
| Dans Electrical Contractors Limited | Construction | 2017 |
| Dansicality Limited | Arts & recreation | 2009 |
| Data Centre Systems Ltd | Information & communication | 2022 |
| Dawkins Prestige Ltd | Construction | 2024 |
| Dayview Ltd | Construction | 2013 |
| DEA Properties Limited | Real estate | 2024 |
| Delong Group Ltd | Administrative & support | 2025 |
| Denarl Ltd | Financial services | 2026 |
| Denby Asset Holdings Limited | Financial services | 2015 |