| GARA44 Ltd | Construction | 2020 |
| GAS Coaching Ltd | Arts & recreation | 2023 |
| Gawg.Group Limited | Construction | 2025 |
| GCT LAT 51 Limited | Hospitality | 2013 |
| GD Installations South West Ltd | Construction | 2025 |
| GDF Developments Ltd | Extraterritorial | 2009 |
| Geek Salon Ltd | Other services | 2026 |
| Gelli MOR DCA Ltd | Health & social care | 2020 |
| Gelli MOR Maintenance Services Ltd | Construction | 2026 |
| Gentle Hair DYE Ltd | Wholesale & retail | 2022 |
| GHM (Salcombe) Limited | Agriculture & fishing | 2007 |
| Gigi VI Ltd | Wholesale & retail | 2022 |
| Gilberts Building Services Limited | Wholesale & retail | 2002 |
| Gittins and Hall Associates Limited | Health & social care | 2014 |
| Glanvilles Mill Apartments Ltd | Construction | 2024 |
| Global Meat and Deli Ltd | Wholesale & retail | 2026 |
| Golden Bridge 2020 Limited | Hospitality | 2019 |
| Golden Harvest SW Limited | Hospitality | 2024 |
| Golsworthy (Exeter) Limited | Hospitality | 2017 |
| Goodbodies Ivybridge Ltd | Other services | 2026 |
| Goodbodies Ltd | Other services | 2005 |
| Goodmans Pet Cremations Ltd | Water & waste | 2024 |
| Goodman’S Community Pet Cremations CIC | Water & waste | 2026 |
| Gool Food Ltd | Hospitality | 2024 |
| Granite Associates Ltd. | Real estate | 2013 |
| Gransmore Limited | Financial services | 2013 |
| Gravitas Developments Ltd | Hospitality | 2009 |
| Grean X Ltd | Information & communication | 2010 |
| Great Wyrm Limited | Real estate | 2024 |
| Grecian on the Barbican Limited | Hospitality | 2025 |
| Grecian Taverna (Plymouth) Limited | Hospitality | 1959 |
| Green Haven Lodges Ltd | Hospitality | 2026 |
| Greenhalf Property Services Ltd | Construction | 2024 |
| Gubbins Pubbins Limited | Information & communication | 2022 |
| Gundogs Devon Ltd | Agriculture & fishing | 2022 |
| H & S Cleaning Management Ltd | Administrative & support | 2023 |
| H J Solomon Limited | Financial services | 2026 |
| H&H Business Consultancy Ltd | Professional & scientific | 2026 |
| Hadlow Homes LLP | | 2026 |
| Hair and Beauty Sanctury at NO1 Limited | Other services | 2022 |
| Halo Business Management Limited | Administrative & support | 2020 |
| Hampson of Hayle Limited | Hospitality | 2003 |
| Hanburys Commercial Conversion Ltd | Construction | 2024 |
| Hand and EYE Studio Ltd | Professional & scientific | 2011 |
| Hand Computer Supplies Limited | Information & communication | 1998 |
| Handyman Interactive Ltd | Information & communication | 2021 |
| Hannah's (1988) Limited | Wholesale & retail | 1988 |
| Hannahs Limited | Other services | 1995 |
| Hardy Construction Building & Developments Limited | Construction | 2023 |
| Hardy Construction Complete Building Services Limited | Construction | 2023 |
| Harris Parks Ltd | Real estate | 2023 |
| Hartleys Freedom Holdings Ltd | Real estate | 2023 |
| Harvey Transport Solutions Ltd | Transport & logistics | 2025 |
| Hatless Studios Ltd | Information & communication | 2019 |
| Hatton Electrical (South West) Ltd | Construction | 2017 |
| Hatton Fine Jewellers Ltd | Wholesale & retail | 2025 |
| Havc Consultancy Ltd | Professional & scientific | 2013 |
| Hayman Joinery Limited | Construction | 2009 |
| Heather Mews Management Company Limited | Households | 2010 |
| Heathfield Down Management Company Limited | Real estate | 2004 |
| Heavenly Luxe Ltd | Other services | 2021 |
| Helen Moore Property Ltd | Real estate | 2020 |
| HELIOS54 Ltd | Hospitality | 2024 |
| Helliers Limited | Real estate | 2017 |
| Henry's Properties Ltd | Real estate | 2020 |
| Hicks Assets UK Ltd | Real estate | 2021 |
| Hicks Securities UK Limited | Real estate | 2019 |
| Hidden GEM Events Limited | Hospitality | 2022 |
| Higher Mill Drive Management Ltd | Households | 2026 |
| Hill Farm (Knapp) Management Company Limited | Households | 2023 |
| Hill Lets Limited | Real estate | 2025 |
| Hinds & Hinds Limited | Professional & scientific | 2014 |
| Hinds Taylor Yacht Brokers LLP | | 2024 |
| HK Building Services SW Limited | Construction | 2026 |
| Hobbs Scaffolding Ltd | Construction | 2021 |
| Hole Farm Devon Limited | Agriculture & fishing | 2024 |
| Honey Butter Deli Ltd | Hospitality | 2026 |
| House Martin Agency Ltd | Real estate | 2025 |
| Howmanagement Limited | Real estate | 2017 |
| HT Utilities SW Limited | Construction | 2025 |
| HUD Consultancy Limited | Professional & scientific | 2018 |
| Hulu Limited | Wholesale & retail | 2011 |
| HW Sparrow Investments Ltd | Real estate | 2025 |
| Hwbrickwork Services Ltd | Construction | 2018 |
| Hyperlink Designs Limited | Other services | 2019 |
| Hytech Enamelling Limited | Manufacturing | 2011 |
| Hywell Moss Hair Salon Limited | Other services | 2026 |
| I J Horner Limited | Real estate | 2003 |
| Ideal Fundraising Ltd | Professional & scientific | 2024 |
| IN the Same Boat CIC | Health & social care | 2025 |
| Infinity Farming Limited | Financial services | 2025 |
| INK Doctor Tattoo Care Ltd | Wholesale & retail | 2023 |
| Innovating Service Ltd | Professional & scientific | 2018 |
| Inpetratio Consulting Limited | Professional & scientific | 2015 |
| Insero Therapy Limited | Health & social care | 2025 |
| Inside OUT Garden Rooms Limited | Construction | 2013 |
| Insitju Framing & Conservation Ltd | Administrative & support | 2012 |
| Intelligent Property Services Limited | Construction | 2022 |
| International Passive Fire Limited | Professional & scientific | 2011 |
| Inxite Limited | Professional & scientific | 2002 |