| Gi&D Limited | Real estate | 2018 |
| Giannis Italian Takeaway Ltd | Hospitality | 2020 |
| Gill Trading Leicester Ltd | Manufacturing | 2019 |
| Gillie Construction Ltd | Construction | 2018 |
| Gilling DOD Limited | Professional & scientific | 1992 |
| Gingernut Marketing Ltd | Professional & scientific | 2014 |
| Gingi Property Management Limited | Real estate | 2022 |
| Ginslinger Event Sales Ltd | Wholesale & retail | 2025 |
| Girasole Italian Take Away Ltd | Hospitality | 2010 |
| GJN and SON Limited | Construction | 2012 |
| GJT Driving Services Ltd | Transport & logistics | 2024 |
| GK Construction & Project Management Ltd | Construction | 2017 |
| GK Developments & Holdings Limited | Real estate | 2020 |
| GK Recruitment Limited | Administrative & support | 2006 |
| Gkaz Limited | Health & social care | 2026 |
| GKS Works Property Limited | Real estate | 2025 |
| Gladmar Hotel Ltd | Real estate | 2021 |
| Glancy Construction Ltd | Construction | 2022 |
| Glass Aggregates Ltd | Manufacturing | 2023 |
| Glass Factory Great Harwood Ltd | Construction | 2019 |
| Glassets Ltd | Financial services | 2025 |
| Glassware Ltd | Wholesale & retail | 2019 |
| Glazerite Trade Frames Ltd | Construction | 2018 |
| Gleadhill (Chorley) Management Company Limited | Households | 2015 |
| Gleadhill House Stud Limited | Agriculture & fishing | 1988 |
| Glen Munro Ltd | Real estate | 2022 |
| Glendale Countryside Limited | Agriculture & fishing | 1987 |
| Glendale Golf Limited | Arts & recreation | 2002 |
| Glendale Grounds Management Limited | Administrative & support | 1983 |
| Glendale Horticulture Limited | Wholesale & retail | 1970 |
| Glendale Liverpool Limited | Administrative & support | 2006 |
| Glendale Managed Services Limited | Financial services | 2008 |
| Glenn Thewlis Joinery Ltd | Construction | 2019 |
| GLI Contracting Limited | Construction | 2017 |
| Global Automotive Supplies Limited | Manufacturing | 2022 |
| Global Bottling Solutions Limited | Wholesale & retail | 2025 |
| Global Cheese Limited | Wholesale & retail | 2015 |
| Global Elite Services Ltd | Administrative & support | 2013 |
| Global Entrepreneurial Development Services Ltd | Information & communication | 2017 |
| Global Kitchens Limited | Manufacturing | 2005 |
| Global Lighting Solutions Limited | Construction | 2005 |
| Global Motorcycle Tours Ltd | Administrative & support | 2006 |
| Global Pana Solution Ltd | Wholesale & retail | 2024 |
| Global Pathways Recruitment Limited | Administrative & support | 2016 |
| Global Property Centres Limited | Real estate | 2021 |
| Global Sourcing & Packaging Hub Ltd | Administrative & support | 2024 |
| Globies Ltd | Information & communication | 2026 |
| Glow Node Ltd | Professional & scientific | 2022 |
| Glowgadget Ltd | Wholesale & retail | 2025 |
| GLT Groundworks & Plant Hire Ltd | Construction | 2019 |
| Glyde Limited | Administrative & support | 2009 |
| GM Offshore Solutions Ltd | Construction | 2020 |
| GM7 Transport Limited | Administrative & support | 2012 |
| GMA Transport Services Limited | Professional & scientific | 2026 |
| GMK Transport Limited | Transport & logistics | 2016 |
| GMS Trading Ltd | Administrative & support | 2011 |
| Gnatta Limited | Information & communication | 2015 |
| GNH99 Ltd | Administrative & support | 2023 |
| Go Girl Limited | Wholesale & retail | 2017 |
| Go INK JET Ltd | Wholesale & retail | 2013 |
| Go-To Developments Ltd | Construction | 2024 |
| GO2 Heating Solutions Ltd | Construction | 2018 |
| Gobias Ltd | Manufacturing | 2015 |
| Godfather Pizzeria Ltd | Hospitality | 2011 |
| Gofour.Co.Uk Limited | Information & communication | 2007 |
| Gold Star Property Management Ltd | Hospitality | 2022 |
| Golden Eagle Plumbing Ltd | Construction | 2024 |
| Golden EYE Legacy PLC | Financial services | 2023 |
| Golden Live Events Limited | Hospitality | 2015 |
| Golden Sands Tans Ltd | Wholesale & retail | 2026 |
| Goldeneye PM Ltd | Real estate | 2025 |
| Goldmann Ltd | Professional & scientific | 2021 |
| Goldseal Management Limited | Financial services | 2020 |
| Goldseal Tradeline Limited | Manufacturing | 2003 |
| Goldseal Windows (Leyland) Limited | Construction | 1999 |
| Goldspin Limited | Health & social care | 2016 |
| Goldtone Network Ltd | Professional & scientific | 2025 |
| Goldwyns Wealth Management Limited | Extraterritorial | 1989 |
| Good Advice Inc Limited | Professional & scientific | 2025 |
| Good Food House Portsmouth Limited | Hospitality | 2017 |
| Gordellen PUB Company Ltd | Other services | 2015 |
| Gordon Johnson (Chorley) Ltd | Professional & scientific | 2015 |
| Gordon's Roofing Limited | Construction | 2008 |
| Gorilla Glue Europe Limited | Wholesale & retail | 2014 |
| Gorton Bros Ltd | Information & communication | 2010 |
| Gorton Bros Marketing Limited | Professional & scientific | 2018 |
| Gosling Consulting Limited | Construction | 2019 |
| Gosling Holdings Limited | Financial services | 2023 |
| Gosome Holdings Limited | Real estate | 2010 |
| Gosome Limited | Construction | 1981 |
| GPD Projects Ltd | Professional & scientific | 2023 |
| GPS Render Systems Ltd | Construction | 2026 |
| Gptmate Ltd | Information & communication | 2025 |
| GQ Signs Limited | Manufacturing | 2010 |
| GR Electrical NW Ltd | Construction | 2014 |
| Grace Afrocaribbean Foods Ltd | Wholesale & retail | 2024 |
| Grace Aviation Limited | Transport & logistics | 2013 |
| Grace Hospitality Limited | Hospitality | 2014 |
| Grace Joseph Limited | Transport & logistics | 2013 |
| Graceful Beauty Salons Limited | Real estate | 2023 |