| Caterpillars ASC Limited | Health & social care | 2013 |
| Catinat Investments Limited | Real estate | 2020 |
| Catolyst Ltd | Information & communication | 2020 |
| Catto International Limited | Health & social care | 1998 |
| Cavendish (Woking) Management Company Limited | Other services | 1984 |
| Caversham Bakehouse Limited | Households | 2017 |
| Cavu Aviation Limited | Administrative & support | 2017 |
| CB Luxury Chauffeur Services Ltd | Transport & logistics | 2025 |
| CB Luxury Services Ltd | Transport & logistics | 2022 |
| CBM Finance Ltd | Financial services | 2018 |
| Cbox Blackwater Limited | Hospitality | 2022 |
| CCL Cooling Limited | Energy | 2022 |
| CCS Windows Limited | Construction | 2013 |
| CDP (UK) Ltd | Health & social care | 2010 |
| CDS Software Limited | Information & communication | 2011 |
| Cedarmunch Ltd | Real estate | 2010 |
| Cedars Management Company (Bagshot) Limited | Households | 2004 |
| Celcyr Ltd | Professional & scientific | 2024 |
| Cennox Acketts Limited | Other services | 1992 |
| Cennox Diebold Limited | Information & communication | 1986 |
| Cennox Group Limited | Administrative & support | 2007 |
| Cennox Holdings Limited | Financial services | 2014 |
| Cennox Limited | Other services | 2004 |
| Cennox Lockpoint Limited | Manufacturing | 1989 |
| Cennox Signage and Construction Limited | Manufacturing | 1996 |
| Centaur Developments Limited | Construction | 2011 |
| Centaur Estates Ltd | Real estate | 2019 |
| Centaur Project Delivery Services Limited | Professional & scientific | 2023 |
| Centre for Practitioner Development Ltd | Other services | 2020 |
| Centric Global 2.0 Ltd | Professional & scientific | 2020 |
| CEO African Caribbean Foods Limited | Other services | 2026 |
| Ceylon Curry Corner Limited | Hospitality | 2024 |
| CG Recruitment Limited | Administrative & support | 2019 |
| Cgwc Limited | Construction | 2011 |
| Chae Limited | Professional & scientific | 2018 |
| Chain Solutions Limited | Construction | 2021 |
| Chalet Hill Management Limited | Households | 2008 |
| Challenger 4X4 Limited | Wholesale & retail | 2009 |
| Chalune Services Limited | Professional & scientific | 2022 |
| Chameleon Decorators Surrey Limited | Construction | 2018 |
| Chamling Co. Limited | Manufacturing | 2019 |
| Chancellor & Sons Limited | Professional & scientific | 2002 |
| Chancellors Group Holdings Limited | Professional & scientific | 2005 |
| Change IS Limited | Information & communication | 2009 |
| Changeable Limited | Professional & scientific | 2021 |
| Changequest Ltd | Professional & scientific | 2000 |
| Chanthology Limited | Information & communication | 2022 |
| Chantry Court (Frimley) Management Limited | Households | 1966 |
| Chapagai Transport Ltd | Transport & logistics | 2018 |
| Chapel Lane Flats (Hawley) Limited | Households | 1969 |
| Chargebase Electrical Ltd | Construction | 2018 |
| Charis Windows Ltd | Construction | 2025 |
| Charlatronix Ltd | Transport & logistics | 2021 |
| Charles & Hope Limited | Administrative & support | 1989 |
| Charlescourt (Camberley) Management Limited | Households | 1991 |
| Charleys Taxi's Limited | Transport & logistics | 2015 |
| Charmed Essentials Ltd | Wholesale & retail | 2025 |
| Charterhouse Financial Solutions Ltd | Professional & scientific | 2018 |
| Chase Centurion Limited | Wholesale & retail | 2001 |
| Chase Consulting (Searches) UK Ltd | Information & communication | 2011 |
| Chasing Aces Limited | Wholesale & retail | 2026 |
| Chateau Dale Title Limited | Professional & scientific | 1996 |
| Chayofa Properties (NO.2) Limited | Professional & scientific | 1995 |
| Chayofa Properties Limited | Professional & scientific | 1993 |
| Cheerfy Ltd | Professional & scientific | 2014 |
| Chef on Board Limited | Manufacturing | 2003 |
| Cheniston Residents Association Limited | Households | 1978 |
| Cherished Art and Designs Ltd | Wholesale & retail | 2016 |
| Cherly Art Ltd | Arts & recreation | 2017 |
| Cherry Lins Limited | Professional & scientific | 1999 |
| Cherrywood Community Childcare | Education | 2012 |
| Ches' Cafe Limited | Hospitality | 2006 |
| Chester House Management (Godalming) Limited | Households | 2010 |
| Chester Howlett Bathrooms Ltd | Construction | 2024 |
| Chez Vous Cooking Ltd | Hospitality | 2023 |
| Chilbolton Flying Club Limited | Arts & recreation | 2024 |
| Children's Theatre Digital Limited | Administrative & support | 2020 |
| Chiltlee Manor Investments Limited | Real estate | 1999 |
| Chips Giles Limited | Wholesale & retail | 2005 |
| Choffor Limited | Administrative & support | 2022 |
| Chris Bennett Property Services Ltd | Real estate | 2025 |
| Chris Gabriel Limited | Administrative & support | 2016 |
| Chris Scott Holdings Limited | Professional & scientific | 2014 |
| Chris UK Courier Ltd | Wholesale & retail | 2019 |
| Christian Plamenov Limited | Information & communication | 2021 |
| Christie's Carpentry & Construction Ltd | Construction | 2010 |
| Chrysalis Transformation Advisors Limited | Professional & scientific | 2024 |
| Chucks Beats Limited | Information & communication | 2021 |
| Church Lane East Ltd | Households | 2018 |
| Chutree Limited | Manufacturing | 2018 |
| Cida Ltd | Hospitality | 2022 |
| Cinos Communications Services Limited | Information & communication | 2015 |
| Cinos Corporate Trustee Limited | Financial services | 2019 |
| Cinos Group Limited | Financial services | 2019 |
| Cinos Limited | Wholesale & retail | 2007 |
| Circuit Minds Atlas Ltd | Information & communication | 2023 |
| Cirrus Supply Chain Limited | Information & communication | 2012 |
| Cisto Limited | Real estate | 1981 |
| CIT International Freight Limited | Transport & logistics | 1979 |
| Citizen Kind Ltd | Professional & scientific | 2018 |