| Ceetish Collection Limited | Wholesale & retail | 2021 |
| CEF Real Estate Limited | Real estate | 2016 |
| Cellphone Centre Limited | Real estate | 1993 |
| Celona, U.K. Ltd. | Professional & scientific | 2020 |
| Celsam Property Ltd | Real estate | 2025 |
| Cema Nutrition Ltd | Wholesale & retail | 2025 |
| Central Builders and Decorators Ltd | Construction | 2026 |
| Centreview (Investments) Ltd | Real estate | 2016 |
| Centrix Ventures Ltd | Wholesale & retail | 2025 |
| Centro Commercial Limited | Administrative & support | 1991 |
| Centro Commercial Property Consultants Limited | Professional & scientific | 1988 |
| Centro Group Limited | Construction | 1991 |
| Centro PLC | Administrative & support | 1988 |
| Centro Security Limited | Administrative & support | 2010 |
| Centro Services Limited | Administrative & support | 1993 |
| Centurion Air Conditioning Ltd | Construction | 2006 |
| Certified Ravers Limited | Administrative & support | 2026 |
| Certiva Tech Ltd | Information & communication | 2025 |
| Ceteris Consulting Ltd | Financial services | 2015 |
| Ceylon Link Ltd | Information & communication | 2020 |
| Ceylon Merchant Limited | Wholesale & retail | 2024 |
| CFC Foods Limited | Hospitality | 2017 |
| CFD Global Limited | Transport & logistics | 2025 |
| CFM Autos (Surrey) Limited | Wholesale & retail | 2015 |
| Cgms Capital Limited | Real estate | 2014 |
| CGR Developments Ltd | Construction | 2024 |
| CH Project Management Ltd | Professional & scientific | 2023 |
| CHA Property Limited | Hospitality | 2025 |
| Chai Culture Ltd | Hospitality | 2023 |
| Chai Mahal Limited | Hospitality | 2025 |
| Chaingain Ltd | Financial services | 2021 |
| Chaldrew Limited | Real estate | 2016 |
| Challenge Trophies Limited | Wholesale & retail | 2016 |
| Chama (PVT) Ltd | Construction | 2013 |
| Chama Property Ltd | Real estate | 2019 |
| Chamberlain Construction and Development Ltd | Construction | 2025 |
| Champs Within Limited | Arts & recreation | 2021 |
| Chan Acupuncture Company Limited | Health & social care | 2021 |
| Chana Property Ltd | Real estate | 2022 |
| Chanctonbury Court (2) RTM Company Limited | Households | 2016 |
| Chanctonbury Court 3 RTM Company Limited | Households | 2017 |
| Chanctonbury Court Management Limited | Households | 1993 |
| Chanctonbury Court RTM Company Limited | Households | 2016 |
| Chaperlin & Jacobs (2000) Limited | Health & social care | 2000 |
| Chappar Ltd | Real estate | 2025 |
| Chappell First Ltd | Administrative & support | 2021 |
| Charanmay Ltd | Financial services | 2014 |
| Charity Accounting Services Ltd | Professional & scientific | 2009 |
| Charles Brickwork Ltd | Construction | 2025 |
| Charles Harvey Carpentry Ltd | Manufacturing | 2021 |
| Charles Systems Limited | Information & communication | 2016 |
| Charlotte Rhys UK Limited | Wholesale & retail | 2011 |
| Charmanic Ltd | Wholesale & retail | 2016 |
| Charterhouse CM Limited | Administrative & support | 2014 |
| Charwood Residents Association Limited | Households | 1962 |
| Chasca Limited | Hospitality | 2019 |
| Chase Christmas Trees Ltd | Wholesale & retail | 2025 |
| Chat Club Ltd | Education | 2023 |
| Chatsworth Studio Limited | Arts & recreation | 2023 |
| Cheam Airport Cars Ltd | Transport & logistics | 2026 |
| Cheam Bedding Limited | Wholesale & retail | 1985 |
| Cheam Catering Limited | Hospitality | 2016 |
| Cheam Cottage 2018 Ltd | Hospitality | 2018 |
| Cheam Developments Limited | Real estate | 2021 |
| Cheam Financial Planning Ltd | Financial services | 2012 |
| Cheam Food Centre Ltd | Wholesale & retail | 2025 |
| Cheam IT Solutions Ltd | Information & communication | 2015 |
| Cheam Marketing Consultants Limited | Administrative & support | 2007 |
| Cheam Motors Ltd | Wholesale & retail | 2018 |
| Cheam Muslim Welfare Services Ltd | Other services | 2020 |
| Cheam Park Cafe Limited | Hospitality | 2019 |
| Cheam Peri Peri Chicken Ltd | Hospitality | 2024 |
| Cheam Salone Limited | Other services | 2015 |
| Cheam Skills College Ltd | Administrative & support | 2025 |
| Cheam Station Cars Limited | Transport & logistics | 2022 |
| Cheam Tile Centre Limited | Wholesale & retail | 2024 |
| Cheam Tyres Ltd | Wholesale & retail | 2024 |
| Cheam Village Hardware Limited | Wholesale & retail | 2014 |
| Cheapside Deli Box Ltd | Hospitality | 2024 |
| Cheema Group Limited | Financial services | 2025 |
| Cheema Property Holdings Limited | Real estate | 2025 |
| Cheerbox Ltd | Wholesale & retail | 2025 |
| Cheery Boat Trading Co Ltd | Wholesale & retail | 2020 |
| Chelsea Gardens Management Company Limited | Professional & scientific | 1987 |
| Chelsea Nails Limited | Other services | 2022 |
| Chelsea Private Equity Limited | Professional & scientific | 2002 |
| Chelsea Training Limited | Education | 2012 |
| Chemical Flaw Records Limited | Arts & recreation | 2019 |
| Chen & LIN Builders Limited | Construction | 2017 |
| Cherry Court Management (Sutton) Limited | Households | 1977 |
| Cherrytree Trading Ltd | Hospitality | 2019 |
| Cheshire Orthopaedic Services Limited | Health & social care | 2009 |
| Chesney Electrical Services Limited | Other services | 2026 |
| Chess Bidco Limited | Financial services | 2025 |
| Chess Holdco Limited | Financial services | 2025 |
| Chestnut Court (Sutton) Freehold Company Limited | Households | 2013 |
| Chetts Rigging Limited | Information & communication | 2009 |
| Chew Valley Carpentry Ltd | Manufacturing | 2026 |
| Cheyham Limited | Construction | 2014 |
| Cheyham Way Management Limited | Households | 2019 |