| 15 Trenovissick Road (Management Company) Limited | Households | 2015 |
| About Words Limited | Professional & scientific | 2003 |
| AC Global Limited | Manufacturing | 2013 |
| Alan Leather Associates Limited | Professional & scientific | 2003 |
| Allgoldkarats Ltd | Wholesale & retail | 2025 |
| Altogethernd LLP | | 2026 |
| AM & DM Ltd | Construction | 2014 |
| Anchisa Ltd | Agriculture & fishing | 2020 |
| Artemyn UK Limited | Professional & scientific | 2022 |
| Artful Music Limited | Information & communication | 2012 |
| Assist'Em Limited | Education | 2004 |
| ATJ Security Ltd | Administrative & support | 2024 |
| Aura House Ltd | Professional & scientific | 2023 |
| Autotech Cylinder Heads Ltd | Wholesale & retail | 2014 |
| Baby Sensory North Cornwall Ltd | Education | 2021 |
| Baia BLU Ltd | Construction | 2020 |
| Bay Sands Holdings Ltd. | Hospitality | 2018 |
| Bb's at Charlies Ltd | Hospitality | 2022 |
| Beacon Stone Limited | Real estate | 2010 |
| Bels Building and Landscaping Ltd | Construction | 2025 |
| Bevan & Co Building Restoration Ltd | Construction | 2025 |
| Blue Waters Property Ltd | Real estate | 2020 |
| Both Yield Investment & Trading Ltd | Financial services | 2013 |
| Britstars Unite Ltd | Information & communication | 2025 |
| Building Transformations South West Limited | Construction | 2015 |
| Buildserve (SW) Limited | Construction | 2010 |
| C&G Garden Builds Ltd | Administrative & support | 2024 |
| Caalf Ltd | Construction | 2025 |
| CAD Drawing Company Limited | Construction | 2006 |
| Caribou Hair Ltd | Other services | 2019 |
| CCS Renewable Energies Ltd | Manufacturing | 2019 |
| Chadley Ltd | Real estate | 1997 |
| Channing Group Ltd | Construction | 2025 |
| Clean Connection Ltd | Administrative & support | 2025 |
| Clear Skies Lettings Ltd | Real estate | 2025 |
| Clear Skies Services Ltd | Information & communication | 2021 |
| Cocobean Limited | Real estate | 2015 |
| Colwith Farm Distillery Limited | Manufacturing | 2015 |
| Colwith Farm Shop Limited | Wholesale & retail | 2020 |
| Copper Coast Holdings Ltd | Construction | 2024 |
| Cornhill Developments (SW) Limited | Construction | 2016 |
| Cornish Tallow Skincare Ltd | Wholesale & retail | 2026 |
| Cornwall Boilers Ltd | Construction | 2024 |
| Cornwall Compliance Limited | Professional & scientific | 2014 |
| Cornwall Creative Arts CIC | Education | 2022 |
| Cornwall Self Storage Units Ltd | Transport & logistics | 2025 |
| Creative Threads Cornwall CIC | Health & social care | 2025 |
| CSM Plastering & Building Preservation Ltd | Construction | 2026 |
| Customs House in Charlestown (Property Management Company) Limited | Households | 2018 |
| D & D Scaffolding Services Ltd | Construction | 2025 |
| D&S Masonry Ltd | Construction | 2022 |
| Darren Vincent Limited | Administrative & support | 2010 |
| Design & Renew Ltd | Construction | 2025 |
| Dog World (South West) Ltd | Health & social care | 2025 |
| DPS Sales Ltd | Extraterritorial | 2024 |
| East Crinnis Holiday Park Ltd | Hospitality | 2018 |
| Eden Geothermal Limited | Mining & quarrying | 2016 |
| Eden Project Group Limited | Professional & scientific | 2022 |
| Eden Project International Limited | Professional & scientific | 2017 |
| Eden Project Morecambe Holdings Ltd | Financial services | 2024 |
| Eden Project Morecambe Ltd | Education | 2024 |
| Eden Project Wildflower Limited | Professional & scientific | 2023 |
| Eden Sessions Limited | Arts & recreation | 2019 |
| Elegant Venetian Limited | Construction | 2021 |
| Elesi Limited | Manufacturing | 2017 |
| Elite Concierge and Training Ltd | Education | 2019 |
| English China Clays | Professional & scientific | 1919 |
| Engtech Solutions Ltd | Manufacturing | 2020 |
| Enkin Controls Limited | Manufacturing | 2025 |
| Evectek Limited | Professional & scientific | 2017 |
| Event Dispense Services Limited | Hospitality | 2018 |
| EXPLORENOW360 Ltd | Extraterritorial | 2024 |
| Express Stairlift Rentals Ltd | Manufacturing | 2016 |
| Fahey's Concrete Limited | Manufacturing | 1989 |
| Fahey's Construction Limited | Construction | 2023 |
| Fahey's Farming Limited | Agriculture & fishing | 2023 |
| Fahey's Holdings Limited | Financial services | 2023 |
| Fahey's Quarries Limited | Mining & quarrying | 2025 |
| Fahey’S Properties Limited | Construction | 2024 |
| Fistralai Ltd | Professional & scientific | 2026 |
| Fittamamma Limited | Wholesale & retail | 2012 |
| Fraser ST James Investments Limited | Construction | 2011 |
| Gatehouse 2 Management Company Limited | Households | 2021 |
| Girlings Enterprises Ltd | Hospitality | 2022 |
| Glow Skin and Laser Clinic Ltd | Other services | 2026 |
| GMS Associates Ltd | Construction | 2020 |
| Go Vehicle Technology Ltd | Professional & scientific | 2001 |
| Graham Vincent Limited | Wholesale & retail | 2002 |
| Gray Events Ltd | Hospitality | 2025 |
| Gunners Kids CIC | Health & social care | 2024 |
| H&L Cornwall Ltd | Wholesale & retail | 2020 |
| Home From Home Cornwall Ltd | Extraterritorial | 2020 |
| Horizon Estate Planning Ltd | Financial services | 2017 |
| Horizon Mortgages and Protection Ltd | Financial services | 2017 |
| Housemartins Co-Living Ltd | Real estate | 2024 |
| IBO 9403 Ltd | Hospitality | 2021 |
| Imerys British Lithium Limited | Professional & scientific | 2020 |
| Imerys Minerals Holding Limited | Financial services | 2011 |
| Imerys Minerals Limited | Mining & quarrying | 1932 |
| Imerys Talc UK Holding Limited | Financial services | 1981 |