| Cranbourne Close (Horley) Residents Limited | Households | 1988 |
| Crawford Media Ltd | Professional & scientific | 2022 |
| Createur UK Limited | Administrative & support | 2004 |
| Creative Bass Explorations Limited | Education | 2024 |
| Creative Cocktail Design Limited | Professional & scientific | 2017 |
| Creative Factory Limited | Other services | 2009 |
| Creativenickp Ltd | Professional & scientific | 2019 |
| Crestmont College of Business and Technology Ltd | Education | 2026 |
| Cris.T Media Ltd | Professional & scientific | 2022 |
| Crisp Builders Limited | Construction | 2015 |
| Cristallum Limited | Professional & scientific | 2019 |
| Cronulla's Ltd | Wholesale & retail | 2026 |
| Cross Border Search Partners Ltd | Administrative & support | 2012 |
| Crosswall Consultants Limited | Professional & scientific | 2018 |
| Crow's Auction Gallery Limited | Administrative & support | 2010 |
| Crucial People Limited | Administrative & support | 2021 |
| Cruz Handwear Limited | Wholesale & retail | 2024 |
| CS Bureau Services Limited | Professional & scientific | 2012 |
| CSB Campervans Ltd | Hospitality | 2023 |
| CSB Developments Ltd | Professional & scientific | 2021 |
| CSB Housing Ltd | Real estate | 2023 |
| CTB Consulting Ltd | Professional & scientific | 2024 |
| CTC Projects Ltd | Professional & scientific | 2026 |
| Cudworth Developments Ltd | Real estate | 2019 |
| Cultrastone Developments Limited | Administrative & support | 2018 |
| Cultrastone Holdings Limited | Administrative & support | 2018 |
| Curating the Table Ltd | Wholesale & retail | 2025 |
| Curuba Limited | Information & communication | 2021 |
| Curves Contouring Ltd | Professional & scientific | 2022 |
| Curzon Hall Ltd | Financial services | 2015 |
| Cushty Consulting Limited | Professional & scientific | 2012 |
| Customer Service Partners Limited | Professional & scientific | 2010 |
| Customs Assured Ltd | Professional & scientific | 2015 |
| CV and R French Developments Ltd | Construction | 2022 |
| CWD Improvements Limited | Construction | 2019 |
| Cypjullie Limited | Health & social care | 2022 |
| D & S Properties Management Ltd | Real estate | 2018 |
| D B Pool Heating Limited | Construction | 2003 |
| D C Carpentry & Maintenance Limited | Construction | 2022 |
| D G Tree Services LLP | | 2013 |
| D One Barbers Dorking Ltd | Other services | 2020 |
| D R Carpentry & Build Limited | Construction | 2013 |
| D V Read & SON (Surrey) Limited | Construction | 2008 |
| D&L 2000 Ltd | Other services | 2017 |
| D.D. Hayter Limited | Other services | 1990 |
| D.Olly Services Limited | Other services | 2020 |
| D2D Academy Ltd | Arts & recreation | 2021 |
| Daisy RAY Ltd | Wholesale & retail | 2021 |
| Danny Delano Ltd | Professional & scientific | 2022 |
| Dapper & Suave Limited | Wholesale & retail | 2020 |
| Dapper Formalwear Limited | Wholesale & retail | 2022 |
| Darsena House (Sutton) Limited | Households | 1963 |
| Dasw Ltd | Construction | 2006 |
| Data & Benefits Consulting Limited | Administrative & support | 2016 |
| Data GRC Ltd | Information & communication | 2017 |
| Dataflow AV Ltd | Information & communication | 2010 |
| Dataflow I.T. Limited | Information & communication | 1997 |
| David Townsend Consulting Limited | Professional & scientific | 2025 |
| Day Trading Limited | Real estate | 2001 |
| Dayspring Management Company Limited | Households | 1981 |
| DB Intelligence Limited | Professional & scientific | 2025 |
| DDB Dorking Ltd | Construction | 2023 |
| Ddedication Ltd | Other services | 2019 |
| Dead Pigeon Limited | Households | 2001 |
| Debney Watson Limited | Information & communication | 2006 |
| Deborah Scaffolding (Yorkshire) Limited | Professional & scientific | 1967 |
| Deceptive Pictures Limited | Professional & scientific | 2012 |
| Deepdene Ecology Ltd | Professional & scientific | 2019 |
| Deepdene Gardens Residents Association Limited | Other services | 2009 |
| Deepdene Square Management Company Limited | Households | 2004 |
| Deesine Limited | Hospitality | 2004 |
| Define Property (Reigate) Ltd | Real estate | 2021 |
| Delilah Investments Holdings Ltd | Financial services | 2022 |
| Delilah Investments Ltd | Real estate | 2021 |
| Demographikon Ltd | Information & communication | 2024 |
| Denbies Holdings Limited | Financial services | 2019 |
| Denbies Wine Estate Limited | Agriculture & fishing | 2015 |
| Denham Place Management Limited | Households | 1989 |
| Denmor Contracts LLP | | 2010 |
| Denton Close Management Company Limited | Households | 2020 |
| Denton Homes London Road Management Limited | Households | 2014 |
| DER Touristik Transport UK Limited | Administrative & support | 1972 |
| Derham Ball Contracts Limited | Construction | 1984 |
| Derham Ball Services Ltd | Professional & scientific | 2005 |
| Dertour UK Limited | Administrative & support | 1945 |
| Derwentwater Associates Limited | Professional & scientific | 2023 |
| Design Lynx Limited | Information & communication | 2000 |
| Designer Pool Covers UK Limited | Professional & scientific | 2022 |
| Designing Buildings Limited | Professional & scientific | 2010 |
| Desire to Dance Ltd | Arts & recreation | 2021 |
| Development London Ltd | Construction | 2015 |
| Developmentum Limited | Professional & scientific | 2022 |
| Devx Ltd | Information & communication | 2025 |
| DFB Building & Landscaping Ltd | Construction | 2026 |
| Dftc Partners Limited | Extraterritorial | 2024 |
| DG Cattle Hoof Care Ltd | Other services | 2024 |
| DG Service Solutions Limited | Manufacturing | 2010 |
| DGC Golf Ltd | Hospitality | 2023 |
| Digikind Limited | Information & communication | 2021 |
| Digital Future Consultancy Limited | Professional & scientific | 2026 |