| Cocobean Cornwall CIC | Hospitality | 2024 |
| Commandn Ltd | Information & communication | 2017 |
| Confit Here Limited | Hospitality | 2022 |
| Connor Downs Developments Ltd | Construction | 2026 |
| Content Creator Technologies Limited | Professional & scientific | 2025 |
| Coolward Limited | Real estate | 1998 |
| Cornish Barn Construction Ltd | Construction | 2022 |
| Cornish Labour Services Limited | Administrative & support | 2015 |
| Cornish Property Management Ltd | Other services | 2025 |
| Cornish Supplements Ltd | Wholesale & retail | 2025 |
| Cornish Swim Academy Ltd | Arts & recreation | 2018 |
| Cornish Travel Limited | Transport & logistics | 2008 |
| Cornwall Buys Local Ltd | Wholesale & retail | 2021 |
| Cornwall Clinical Psychology Ltd | Health & social care | 2023 |
| Cornwall Contract Cleaning Services Ltd | Administrative & support | 2024 |
| Cornwall Crisis Cleaning Limited | Administrative & support | 2024 |
| Cornwall Pedigree Beef Calf Show | Financial services | 2017 |
| Cornwall Plantaholics Limited | Agriculture & fishing | 2007 |
| Cornwall Psychology Services LLP | | 2020 |
| Cornwall the Beautiful Limited | Hospitality | 2022 |
| Corvenda Ltd | Wholesale & retail | 2022 |
| Crofty Construction Ltd | Construction | 2021 |
| Crossfit Hayle Ltd | Arts & recreation | 2017 |
| Crusty Juggler RUM UK Ltd | Hospitality | 2021 |
| Crystal Car Wash Ltd | Administrative & support | 2025 |
| Cycle for Fitness Ltd | Health & social care | 2017 |
| Cyclops Construction Management Limited | Construction | 2026 |
| DAN R Cook Art Ltd | Professional & scientific | 2014 |
| Data Driven Design Limited | Professional & scientific | 2024 |
| Datacoms Consultants Limited | Information & communication | 1999 |
| Davelogic Ltd | Information & communication | 2024 |
| Deano's Yard Ltd | Administrative & support | 2006 |
| Deni Power Systems Ltd | Professional & scientific | 2011 |
| Design by Channel Limited | Professional & scientific | 2012 |
| Dilasel Ltd | Hospitality | 2023 |
| Disability Cornwall and the Isles of Scilly | Other services | 2010 |
| DIY Wedding Stationery Limited | Wholesale & retail | 2009 |
| Dmonners Ltd | Information & communication | 2016 |
| DNO Electricals Ltd | Manufacturing | 2014 |
| Double T Property Ltd | Real estate | 2017 |
| Down the Line Surf Company Limited | Wholesale & retail | 2002 |
| Downs Farm Holdings Ltd | Financial services | 2025 |
| Drone REP Ltd | Professional & scientific | 2026 |
| Duchy Holidays Limited | Real estate | 2003 |
| Duckies Cafe Ltd | Hospitality | 2018 |
| Dunes Inhale Limited | Information & communication | 2024 |
| E&T Medical Ltd | Arts & recreation | 2015 |
| Eagle EYE Inspections Limited | Construction | 2007 |
| Earthwise Farming Limited | Agriculture & fishing | 2026 |
| ECL Developments Ltd | Construction | 2026 |
| Ecom Classics Ltd | Information & communication | 2009 |
| Ecoplexx Ltd | Professional & scientific | 2025 |
| Elliott Sanders Limited | Professional & scientific | 1991 |
| Elysian Renewables Ltd | Construction | 2026 |
| Emily Nixon Limited | Manufacturing | 2014 |
| Empower-Ability SW CIC | Education | 2025 |
| Enviro Heating Ltd | Construction | 2020 |
| Epiwand Limited | Wholesale & retail | 2015 |
| Equin Limited | Information & communication | 2007 |
| Eurekacoaching Limited | Education | 2024 |
| Family J Ice Creams Ltd | Hospitality | 2022 |
| Family J II Ltd | Hospitality | 2024 |
| Fast WOK Limited | Hospitality | 2025 |
| FB Hayle Ltd | Hospitality | 2026 |
| Filfred Ltd | Public administration | 2026 |
| Finning Around Ltd | Manufacturing | 2005 |
| Flaming Flamenco Limited | Hospitality | 2023 |
| Flowertime Florist Limited | Wholesale & retail | 2002 |
| Fore Street Flats Management Company Limited | Households | 2006 |
| Forever Full Ltd | Wholesale & retail | 2022 |
| Forge Distillers Limited | Financial services | 2024 |
| Forge Studios Ltd | Real estate | 2016 |
| FOX Farm Growers Ltd. | Agriculture & fishing | 2012 |
| FOX Holdings Company (FL) Limited | Financial services | 2022 |
| FOX Property Company (FL) Limited | Administrative & support | 2022 |
| Foxy Locks Limited | Other services | 2011 |
| Fulcher Builders Limited | Construction | 2016 |
| Funding Better Ltd | Information & communication | 2025 |
| General Accounts Company Limited | Professional & scientific | 2005 |
| GET ME Gone Travel Ltd | Information & communication | 1997 |
| Giant Roofing Ltd | Construction | 2019 |
| Gingerbitters Ltd | Financial services | 2023 |
| Giorgio Utility Ltd | Construction | 2022 |
| Girls in Cornwall Ltd | Wholesale & retail | 2022 |
| Grameen Tandoori Ltd | Hospitality | 2022 |
| Grandeur Property Management Limited | Hospitality | 2018 |
| Green MAN Treeworks Ltd | Agriculture & fishing | 2025 |
| Greenstone Developments Limited | Construction | 2006 |
| Gridline (UK) Limited | Professional & scientific | 2014 |
| Growing Futures Cornwall Ltd | Education | 2025 |
| GSD Security Limited | Administrative & support | 2007 |
| Gurneys Court Management Company Limited | Households | 2023 |
| Gwithian Academy of Surfing Limited | Education | 2011 |
| Gwithian Academy of Surfing Mobile Ltd | Wholesale & retail | 2017 |
| Gwithian Surf School Ltd | Education | 2025 |
| Gwithian Towans Management Company Limited | Professional & scientific | 1984 |
| GWS Enterprises Ltd | Wholesale & retail | 2025 |
| Hakey Bay Limited | Real estate | 2019 |
| Hales of Hayle Ltd | Manufacturing | 2025 |
| Hampson Healthcare Solutions Limited | Administrative & support | 2020 |