| Freddie’S Fibre Friends CIC | Education | 2021 |
| G B Tool Hire & Clothing Ltd | Wholesale & retail | 2014 |
| G.B Healthcare & Support Solutions Ltd | Administrative & support | 2025 |
| G.V. Welch Limited | Construction | 2019 |
| Gallingtons Law Ltd | Professional & scientific | 2022 |
| Gallingtons Limited | Real estate | 2016 |
| Gallmall Ltd | Real estate | 2024 |
| Gavin Langford Architects Ltd | Professional & scientific | 2006 |
| GBE Electrical Contractors Limited | Energy | 2009 |
| George Beale Ltd | Professional & scientific | 2022 |
| German Shepherd Rescue Elite Ltd | Other services | 2012 |
| Gilletts Property Investments Limited | Real estate | 2016 |
| GK Worden & SON Limited | Construction | 2006 |
| Glclifford Properties Ltd | Real estate | 2021 |
| Glebe Park Farm Limited | Agriculture & fishing | 2000 |
| Glendorgal Park Management Company Limited | Households | 2015 |
| Glenton Brown Limited | Wholesale & retail | 1977 |
| Gonstrad Ltd | Real estate | 2017 |
| Gough Properties Limited | Real estate | 2019 |
| Grafa Ltd | Professional & scientific | 2022 |
| Graham Humber Electrical Ltd | Construction | 2026 |
| Gravity Engines International Ltd | Energy | 2021 |
| Green BEE Consultancy Ltd. | Administrative & support | 2009 |
| Greens of Oakley Ltd | Agriculture & fishing | 2025 |
| Greenwood Music CIC | Health & social care | 2015 |
| Greycarz Ltd | Transport & logistics | 2023 |
| Gubbin Machinery Limited | Wholesale & retail | 2024 |
| GW Bricklaying Ltd | Construction | 2024 |
| H&L Procurement Services Ltd | Administrative & support | 2026 |
| Hacked OFF 2 Limited | Information & communication | 2025 |
| Hacked OFF Limited | Information & communication | 2010 |
| Halls Engineering Ltd | Professional & scientific | 2026 |
| Hallum Equine Vets Limited | Professional & scientific | 2022 |
| Handy Consulting Ltd | Professional & scientific | 2010 |
| Hardiman Construction Limited | Construction | 1997 |
| Hards Group Holdings Ltd | Financial services | 2024 |
| Heathen Soul Brewery Ltd | Manufacturing | 2023 |
| Heaven and Earth Community Ltd | Other services | 2016 |
| Hendra Electrical Ltd | Construction | 2012 |
| Henwood Groundworks Ltd | Construction | 2023 |
| Hewton Farms Limited | Agriculture & fishing | 2012 |
| Heychesto Limited | Manufacturing | 2016 |
| Highstone Consultants Limited | Information & communication | 2017 |
| Hillsborough Residential Home Limited | Health & social care | 2005 |
| Hilsdon Holmes Limited | Construction | 2004 |
| Hoare-Van Riet Ltd. | Real estate | 2018 |
| Hoskin Construction Limited | Construction | 1983 |
| Houseletts Limited | Real estate | 2016 |
| Huers Construction Consultancy Ltd | Construction | 2025 |
| IAN Fogden Design Limited | Arts & recreation | 1984 |
| Igneia Ltd | Administrative & support | 2022 |
| IMF Investments Limited | Professional & scientific | 2012 |
| Industrial Powder Coatings Ltd | Wholesale & retail | 2025 |
| Interfluid Hydraulics Limited | Manufacturing | 2003 |
| Isted Services Limited | Construction | 2015 |
| Ivls Enterprises Ltd | Wholesale & retail | 2024 |
| Jagger Property Group Ltd | Real estate | 2016 |
| Jaguar Couriers Limited | Transport & logistics | 2018 |
| Jamie Blatchford Construction Ltd | Construction | 2024 |
| Jass SW Limited | Real estate | 2019 |
| Jass Trailer Hire Limited | Administrative & support | 2020 |
| Java Estates Limited | Real estate | 2017 |
| JAX Logistics Ltd | Transport & logistics | 2025 |
| JC Analytical Ltd | Professional & scientific | 2003 |
| JCH Machinery Ltd | Wholesale & retail | 2019 |
| Jessan Limited | Other services | 1986 |
| JGJ Groundworks Ltd | Construction | 2024 |
| Jmconnell Building & Roofing Contractors Ltd | Construction | 2022 |
| John Powell Marketing Limited | | 1990 |
| John Smith Tyres Limited | Wholesale & retail | 2020 |
| Jolly Good Show Creative Limited | Professional & scientific | 2014 |
| Jonny Dymond Ltd | Agriculture & fishing | 2025 |
| Josephine DE Stael Limited | Manufacturing | 2022 |
| K & M Water Engineers Ltd | Professional & scientific | 2024 |
| Kalitone House Management Company Limited | Real estate | 2009 |
| KBC Service Centre Limited | Wholesale & retail | 2022 |
| KD Custom Tuned Ltd | Wholesale & retail | 2019 |
| Keith Povey Editorial Services Limited | Information & communication | 2002 |
| Kelliwik & Co Ltd | Manufacturing | 2025 |
| Kelly Bray Launderette Limited | Other services | 2025 |
| Kernewek Commercial Management Limited | Professional & scientific | 2020 |
| Kernow Delivery Service Ltd | Transport & logistics | 2010 |
| Kernow Properties (SW) Limited | Construction | 2026 |
| Kestrel Sky Limited | Professional & scientific | 2019 |
| KGS Conveyancing Ltd | Professional & scientific | 2023 |
| Khaya Consulting Limited | Construction | 2010 |
| Kilmar Consultancy Ltd | Professional & scientific | 2020 |
| Kingdom Principles Property Developments Limited | Real estate | 2006 |
| KIT Hill Castle Farm Ltd | Agriculture & fishing | 2023 |
| Kitt Hill Taxis Limited | Transport & logistics | 2022 |
| KJS Brickwork Ltd | Construction | 2026 |
| Klys Care Ltd | Health & social care | 2024 |
| Knight Scaffolding SW Ltd | Construction | 2024 |
| Korus Group Limited | Financial services | 2022 |
| Korus Health Trustee Limited | Professional & scientific | 2025 |
| Korus Ultrasound Limited | Health & social care | 2013 |
| Kowethek Homes Ltd | Real estate | 2020 |
| KPS Storage Solutions Limited | Administrative & support | 2013 |
| Krystal Rocks Ltd | Wholesale & retail | 2019 |
| Kwalita Developments Limited | Construction | 2019 |