| Fort Victoria Cottages Ltd | Hospitality | 2017 |
| Fortese Ltd | Professional & scientific | 2024 |
| Foundation Stone Investments Ltd | Real estate | 2024 |
| FOX Education Ltd | Professional & scientific | 2020 |
| Francis Luscombe Medico-Legal Services Limited | Professional & scientific | 2019 |
| Freddie's Barbers Ltd | Other services | 2022 |
| Fresh Dental Health Care Limited | Health & social care | 2010 |
| Fresh Escapes Limited | Hospitality | 2017 |
| Fresh Move Ltd | Real estate | 2006 |
| Fryth Limited | Manufacturing | 2022 |
| Fusion Civils Ltd | Construction | 2025 |
| G4J Associates Limited | Professional & scientific | 2007 |
| Galloping Chef Limited | Wholesale & retail | 2014 |
| Gascoigne Property Developments Ltd | Construction | 2024 |
| Gazi (Dartmouth) Ltd | Hospitality | 2019 |
| Gboats Limited | Manufacturing | 2013 |
| George O'Reilly Limited | Information & communication | 2023 |
| Gftm Ltd | Administrative & support | 2023 |
| Global Spatial Technology Solutions Inc. | | 2024 |
| Globalised Fitness Solutions Ltd | Manufacturing | 2013 |
| Gramercy Tower Management Company Limited | Households | 2005 |
| Greenwich Street Consulting Limited | Information & communication | 2024 |
| Guilde Productions Ltd | Information & communication | 2011 |
| Hair DOT COM Limited | Other services | 2012 |
| Hairdotcom Art Team Ltd | Education | 2019 |
| Hamilton AI Ltd | Information & communication | 2018 |
| Hamilton Carlton Property Management Limited | Real estate | 2003 |
| Hank Hendriksen Architect Ltd | Professional & scientific | 2018 |
| Happy Traveller Limited | Information & communication | 2017 |
| Hauley Hospitality Ltd | Hospitality | 2021 |
| Haven Green Residential Properties Limited | Real estate | 2021 |
| Hedgehog IT Ltd | Administrative & support | 2017 |
| Henderson Asset Holding (UK) Limited | Real estate | 2021 |
| Hendriksen Construction Ltd | Construction | 2021 |
| Heros Group Limited | Professional & scientific | 2004 |
| High Brow Aesthetics Ltd | Other services | 2021 |
| High Brow Beauty Ltd | Other services | 2021 |
| Higher ASH Management Company Limited | Households | 2020 |
| Hilditch Limited | Financial services | 2025 |
| Home & Hardware Dartmouth Ltd | Wholesale & retail | 2024 |
| Home Counties Play Limited | Administrative & support | 2017 |
| Horn Autos Limited | Wholesale & retail | 2013 |
| Horn Homes Limited | Real estate | 2018 |
| Howe Sound Ltd | Real estate | 2022 |
| Hubcornwall Ltd | Other services | 2022 |
| Hummingbird Psychological Therapy Limited | Health & social care | 2017 |
| I C Holdings Limited | Professional & scientific | 2005 |
| I.J. Oneill (Property) Ltd | Real estate | 2010 |
| Iain Stevenson Media Services Limited | Professional & scientific | 2004 |
| Ignition Limited | Wholesale & retail | 2018 |
| IKE Services Limited | Real estate | 2023 |
| IN My Own Little World Ltd | Manufacturing | 2024 |
| Inner Worlds Limited | Health & social care | 2024 |
| Integra House Management Ltd | Construction | 2020 |
| International Boat Company Ltd | Wholesale & retail | 2024 |
| Inverdart Consultancy Ltd | Education | 2020 |
| Inverdart Management Company Limited | Households | 1980 |
| J R Hutchings Limited | Agriculture & fishing | 2020 |
| J Rowe-Jones Accountants Limited | Professional & scientific | 2017 |
| J.W. Baron Earthworks LLP | | 2010 |
| J.W.Baron Coastworks Ltd | Construction | 2020 |
| Jackson Planning Ltd | Professional & scientific | 2010 |
| Jackspeak Limited | Wholesale & retail | 2021 |
| Jaxon A+B Limited | Construction | 2026 |
| Jaxon Architecture Limited | Professional & scientific | 2021 |
| Jewc Limited | Professional & scientific | 2026 |
| JME Equine Physiotherapy Limited | Other services | 2023 |
| Jobbly Ltd | Information & communication | 2025 |
| Joinery People Limited | Professional & scientific | 2015 |
| Jolf CIC | Education | 2012 |
| Jonathan Hawkins Properties Limited | Real estate | 2014 |
| Jonesys Ltd | Wholesale & retail | 2025 |
| Jukes & Co (2015) Limited | Real estate | 2015 |
| Julia Gash Enterprises Limited | Professional & scientific | 2014 |
| Just ADD Water Saloons (Jaws) Ltd | Hospitality | 2024 |
| Katherine Priestley Prints Ltd | Professional & scientific | 2022 |
| Kaywana Hall Limited | Hospitality | 2007 |
| Kdsg Ltd | Wholesale & retail | 2018 |
| Keenwithwood Ltd | Manufacturing | 2026 |
| Keep Ahead of Hair CIC | Other services | 2025 |
| Kempley Consulting Limited | Professional & scientific | 2021 |
| Kilmarth Consulting Limited | Professional & scientific | 2024 |
| Kimble Engineering Limited | Wholesale & retail | 1996 |
| Kingswear Park Club Limited | Households | 1997 |
| Kingswear Property Management Limited | Professional & scientific | 1984 |
| Knock OUT Projects Ltd | Construction | 2024 |
| Kramor Ltd | Other services | 2016 |
| Langtry Developments Limited | Construction | 1979 |
| Langtry Holdings Limited | Real estate | 2005 |
| Laurel Grange Management Limited | Real estate | 1988 |
| Lazultimate Ltd | Manufacturing | 2023 |
| Leadwithinacademy Ltd | Education | 2025 |
| Lemon Vision Ltd | Information & communication | 2010 |
| Leonards Cove Limited | Hospitality | 2021 |
| Lifestyle Travel Management Ltd | Administrative & support | 2015 |
| Lift Performance Limited | Hospitality | 2014 |
| Little Fashion & Co Ltd | Professional & scientific | 2013 |
| Little Star Design Studio Ltd | Education | 2022 |
| Littlepizza Ltd | Hospitality | 2024 |
| LKM Partners Limited | Construction | 2003 |