| Cornish Business Ventures Ltd | Hospitality | 2026 |
| Cornish Charcuterie Ltd | Manufacturing | 2011 |
| Cornish Roots Limited | Manufacturing | 2020 |
| Cornish Secrets Ltd | Administrative & support | 2021 |
| Cornish Treats Ltd | Manufacturing | 2023 |
| Cornish Underpinning Specialist Ltd | Construction | 2019 |
| Cornwall & Devon Cleans Ltd | Administrative & support | 2023 |
| Cornwall & Devon Consultants Ltd | Information & communication | 2023 |
| Cornwall Broadband Limited | Wholesale & retail | 2016 |
| Cornwall Clinical Cover Ltd | Health & social care | 2025 |
| Cornwall Games CIC | Financial services | 2023 |
| Cornwall Grows CIC | Agriculture & fishing | 2022 |
| Cornwall Piercing Academy Ltd | Wholesale & retail | 2024 |
| Cory Cottages Limited | Hospitality | 2016 |
| Cory Farm Ltd | Agriculture & fishing | 1970 |
| Cosi Mosi Ltd | Manufacturing | 2022 |
| Cottalia Breaks Ltd | Hospitality | 2021 |
| Couch Flooring Limited | Construction | 2019 |
| Court Farm Holidays Limited | Hospitality | 1986 |
| Cowling Property Ltd | Real estate | 2021 |
| CPS Seating Limited | Manufacturing | 2023 |
| Creathorne Farming Limited | Agriculture & fishing | 2025 |
| Critical Waste Ltd | Water & waste | 2008 |
| Crockford Lighting Services Ltd | Arts & recreation | 2009 |
| Crooklets Cafe (Bude) Limited | Real estate | 1949 |
| Crossfit Bude Ltd | Arts & recreation | 2021 |
| CSW Hospitality Group Ltd | Hospitality | 2026 |
| Cultureclimate Ltd | Administrative & support | 2023 |
| Cunningham Taylor Limited | Construction | 2018 |
| D Gregory Construction Ltd | Construction | 2019 |
| D Pitfield Limited | Professional & scientific | 2019 |
| D T Construction (Bude) Ltd | Construction | 2024 |
| Daniel Younger Filming & Editing Ltd | Information & communication | 2011 |
| Davcar (SW) Limited | Wholesale & retail | 2017 |
| David Martin Landscaping Services Limited | Construction | 2026 |
| DC & AGH Estates Ltd | Hospitality | 2025 |
| DE Haan Developments Ltd | Real estate | 2025 |
| Denise Wellington Funeral Services Ltd | Other services | 2014 |
| DGS Design & Build Ltd | Real estate | 2017 |
| Diamond Discs Direct UK Ltd | Manufacturing | 2009 |
| Digital Flower Ltd | Professional & scientific | 2023 |
| Displayset Limited | Administrative & support | 2004 |
| DR Gillanders Limited | Health & social care | 2013 |
| Drawfun Limited | Professional & scientific | 1994 |
| Drayton Installations Ltd | Construction | 2010 |
| Dress Pack Solutions Ltd | Hospitality | 2018 |
| Driftwood Holidays Ltd | Hospitality | 2019 |
| Druce END Engineering Limited | Professional & scientific | 2022 |
| Dunkin Construction Ltd | Construction | 2021 |
| Dunks Lane Management Company Ltd | Households | 2025 |
| Durdens Dinners Limited | Hospitality | 2025 |
| E.Trewin & Sons(Farms)Limited | Agriculture & fishing | 1970 |
| Easiglide Limited | Wholesale & retail | 2019 |
| East Helscott Feedstock Limited | Agriculture & fishing | 2016 |
| East Helscott Meadow Limited | Hospitality | 2025 |
| East Thorne Yurts and Cottages Limited | Hospitality | 2011 |
| Easy Tweeze Ltd | Professional & scientific | 2024 |
| Easyprint (SW) Ltd | Manufacturing | 2003 |
| Edgartown Sourcing Limited | Wholesale & retail | 2007 |
| Edith Walk (Widemouth) Management Ltd | Households | 2021 |
| Effective Outcomes (SJC) Limited | Health & social care | 2007 |
| Efford Down Properties Limited | Administrative & support | 2013 |
| Electric Bakery Bude Ltd | Manufacturing | 2019 |
| Epcs Southwest Ltd | Professional & scientific | 2024 |
| EPS Enterprises Limited | Real estate | 2017 |
| Erdiston Court Ltd | Households | 2008 |
| Essendene Freehold Limited | Extraterritorial | 2009 |
| Essendene Management Company Limited | Households | 1985 |
| EV Home Technology Ltd | Professional & scientific | 2023 |
| Eventide Residential Home Limited | Health & social care | 2000 |
| Every Walk's a Catwalk Ltd | Other services | 2019 |
| EX Flexbury Limited | Hospitality | 2021 |
| EX23 Ltd | Hospitality | 2025 |
| Exclusive Cornwall Ltd | Hospitality | 2023 |
| Explosive Fibres Ltd | Wholesale & retail | 2013 |
| Exsel Management Co. Limited | Hospitality | 2004 |
| Fairbairn & Co Design Limited | Wholesale & retail | 2024 |
| Family Members Property Company Ltd | Construction | 2017 |
| Fearless Women Limited | Professional & scientific | 2020 |
| Felix Press Limited(The) | Manufacturing | 1952 |
| Female Success Limited | Professional & scientific | 2013 |
| Fence Line Holdings Limited | Financial services | 2021 |
| Fence Line Properties Limited | Construction | 2024 |
| Fence Line UK (Holsworthy) Limited | Manufacturing | 2006 |
| Fernandes Vision Ltd | Health & social care | 2022 |
| Fieldpower Limited | Agriculture & fishing | 1995 |
| FIG Cottage Antiques Ltd | Wholesale & retail | 2026 |
| FIN & FAR Ltd | Other services | 2021 |
| Finic Electrical Services Ltd | Manufacturing | 2009 |
| Firestorm Ventures Ltd | Financial services | 2026 |
| Flexbury Partners Limited | Professional & scientific | 2023 |
| Foodsmiths Limited | Wholesale & retail | 2003 |
| Fortico Media Ltd | Information & communication | 2014 |
| Frederick-Trevor Congdon Limited | Extraterritorial | 2022 |
| Freedom in France Limited | Extraterritorial | 1987 |
| Freewave Surf Academy Ltd | Arts & recreation | 2020 |
| Freewave Training Ltd | Arts & recreation | 2020 |
| Fresh Expressions Networks Limited | Other services | 2018 |
| Friends of Bude Sea Pool | Administrative & support | 2011 |
| Friends of Bude Skatepark CIC | Arts & recreation | 2025 |