| Champion Design & Production Co. Ltd | Manufacturing | 2025 |
| Chana Property Group Ltd | Real estate | 2023 |
| Chanel Swain Aesthetics Ltd | Other services | 2021 |
| Changewave Consultancy Ltd | Professional & scientific | 2025 |
| Chantelle Lingerie Limited | Manufacturing | 1986 |
| Chantries & Pewleys Estate Agents Cranleigh Limited | Real estate | 2022 |
| Chantries and Pewleys Estate Agents Ltd | Real estate | 2020 |
| Chantries and Pewleys Lettings & Property Management Ltd | Real estate | 2011 |
| Chantry Corporate Finance Limited | Financial services | 2002 |
| Chantry Habitat Management LLP | | 2016 |
| Chantry Quarry Management Company Limited | Households | 2013 |
| Chapel Farm Eggs Limited | Wholesale & retail | 2004 |
| Chapel Field Ltd | Construction | 2019 |
| Chappells Storage Solutions Limited | Transport & logistics | 2008 |
| Chapters Financial Limited | Financial services | 2004 |
| Charley Browns Hair and Beauty Limited | Other services | 2012 |
| Charlie Big Potatoes Ltd | Information & communication | 2015 |
| Charlie Kingham Ltd | Manufacturing | 2011 |
| Charlotte Court (Guildford) Co. Limited | Households | 1995 |
| Charlotte Terrace (Guildford) Residents Association Limited | Administrative & support | 2012 |
| Charlotte Wikke Limited | Wholesale & retail | 2010 |
| Charterhouse Roofing Ltd. | Construction | 2017 |
| Charterhouse Tree Care Limited | Agriculture & fishing | 2015 |
| Chase DE Vere Limited | Financial services | 2001 |
| Chase Educational Consulting Limited | Education | 2014 |
| Chase Goldsmith Limited | Professional & scientific | 2024 |
| Chat Comet Action Ltd | Professional & scientific | 2021 |
| Chat Digitally Ltd | Information & communication | 2022 |
| Chaucer Court (Guildford) RTM Company Limited | Households | 2004 |
| Chaucer Rail Ltd | Construction | 2018 |
| Chawatama Advisory Ltd | Professional & scientific | 2026 |
| Chaz Brooks Communications Limited | Administrative & support | 1999 |
| Chee Heating and Plumbing Ltd | Construction | 2023 |
| Cheesman Brothers Limited | Administrative & support | 1983 |
| Chef Marko Ltd | Hospitality | 2021 |
| Chegi Ltd | Financial services | 2018 |
| Chemiquat Ltd | Wholesale & retail | 2015 |
| Cherry Trees | Health & social care | 1988 |
| Chertsey Estates Limited | Real estate | 1996 |
| Cherwell Kitchens Limited | Construction | 2023 |
| Chestnut House (Guildford) Management Company Limited | Households | 2019 |
| Cheyney Goulding LLP | | 2007 |
| Cheyney Limited | Professional & scientific | 2026 |
| CHF Developments Ltd | Construction | 2025 |
| Chicken Chicken Santa Delivery HO HO HO Service Limited | Information & communication | 2024 |
| Chiddingfold Estates Limited | Real estate | 2024 |
| Chiddingfold South SPV Limited | Real estate | 2026 |
| Chihera Business Guru GRP Ltd | Professional & scientific | 2024 |
| Child's Play Pre-School Ltd | Education | 2013 |
| Chilsey Green Ltd | Financial services | 2024 |
| Chilworth Hill Associates Ltd | Information & communication | 2022 |
| Chilworth Management Company Limited | Households | 2005 |
| Chilworth Manor Vineyard Limited | Agriculture & fishing | 2013 |
| Chimpchomp Limited | Professional & scientific | 2020 |
| China Capital Limited | Extraterritorial | 2004 |
| China UK Business Limited | Professional & scientific | 2023 |
| Chinese Taste Ltd | Wholesale & retail | 2005 |
| Chinthurst Construction Ltd | Construction | 2011 |
| Chinthurst Hill Vineyards Limited | Administrative & support | 2017 |
| Chipper Plant Ltd | Extraterritorial | 2015 |
| Chislett Consulting Limited | Administrative & support | 2007 |
| Chitty Agricultural Management Services Limited | Professional & scientific | 1996 |
| Chloe Hardwick Photography Ltd | Professional & scientific | 2026 |
| CHOCK2CHOCK Ltd | Information & communication | 2013 |
| Chockie Limited | Real estate | 2025 |
| Chokdee Ltd | Hospitality | 2002 |
| Cholidor Spring Limited | Wholesale & retail | 2023 |
| Chopstick WOK Ltd | Hospitality | 2026 |
| Chord Event Holdings Limited | Financial services | 2026 |
| Chores & Challenges Ltd | Health & social care | 2025 |
| Chremma Limited | Manufacturing | 2004 |
| Chris Evans Consultancy Limited | Professional & scientific | 2016 |
| Chris Syner Ltd | Information & communication | 2006 |
| Chris Weeks Ltd | Professional & scientific | 2015 |
| Christina Consultancy Limited | Administrative & support | 2012 |
| Christina Hoskins Professional Services Ltd | Other services | 2025 |
| Chromata Media Limited | Professional & scientific | 2008 |
| Chronowhale Ltd | Information & communication | 2024 |
| Chrysalis (Training) Limited | Information & communication | 1987 |
| Chrysalis Design Limited | Professional & scientific | 2012 |
| Church Bidco Limited | Professional & scientific | 2016 |
| Church Meadows (Compton) Limited | Agriculture & fishing | 1995 |
| Church Street 2015 Ltd | Real estate | 2015 |
| Church Topco Limited | Professional & scientific | 2016 |
| Churchills London Ltd | Professional & scientific | 2021 |
| Churchills Online Limited | Professional & scientific | 2023 |
| Churchouse Consultants LLP | | 2009 |
| Churchouse Limited | Financial services | 2004 |
| CI Plus LLP | | 2008 |
| Ciel Capital Limited | Professional & scientific | 2015 |
| Cinebox Storage Limited | Real estate | 2023 |
| Cinegroup Holdings Limited | Administrative & support | 2023 |
| Cinemoves Europe Limited | Administrative & support | 2014 |
| Cineplant Limited | Administrative & support | 2023 |
| Cineprop Hire Limited | Administrative & support | 2023 |
| Cinestore Supplies Limited | Administrative & support | 2023 |
| Cinetrux Limited | Transport & logistics | 2023 |
| Cinetube Limited | Administrative & support | 2023 |
| Cinewood Limited | Administrative & support | 2023 |
| Circle Legal Limited | Information & communication | 2021 |