| Geraldine Claire Therapy and Consultancy Ltd | Health & social care | 2022 |
| German Kitchen Design Centre MK Ltd | Construction | 2021 |
| German Kitchen Design Centre Nottingham Limited | Construction | 2020 |
| Gerrmac Procinst Limited | Administrative & support | 2007 |
| Gertie Properties Ltd | Real estate | 2023 |
| GET Momentum Ltd | Professional & scientific | 2011 |
| GET People Thinking Limited | Administrative & support | 2021 |
| GI Health Wiltshire Limited | Health & social care | 2014 |
| Giga Health Ltd | Health & social care | 2020 |
| Gill Investors Ltd | Real estate | 2025 |
| Gilson Enterprises Ltd | Wholesale & retail | 2026 |
| Giltbrook VETS4PETS Limited | Professional & scientific | 2025 |
| Gimed Consulting Limited | Health & social care | 2025 |
| Giubla Ltd | Professional & scientific | 2024 |
| GJ Shaw Ltd | Extraterritorial | 2019 |
| Gkderma Ltd | Health & social care | 2023 |
| Glamour Empire Limited | Wholesale & retail | 2013 |
| Glass Glow Cleaning Ltd | Administrative & support | 2026 |
| Glaukos UK Limited | Wholesale & retail | 2016 |
| Gleneagles Property Developments Ltd | Real estate | 2009 |
| Glenmar Limited | Health & social care | 2023 |
| Global Chemical Resources Ltd. | Manufacturing | 2001 |
| Global Esports Solutions Ltd | Information & communication | 2022 |
| Global Travel Investments Limited | Professional & scientific | 2009 |
| GLS Construction ( Manchester ) Ltd | Construction | 2018 |
| GM Air Ltd | Transport & logistics | 2020 |
| GM Building Services (MC) Limited | Construction | 2019 |
| Gmbreen Health Ltd | Health & social care | 2026 |
| Gmcw Services Ltd | Wholesale & retail | 2026 |
| GMG Energy Club Limited | Professional & scientific | 2019 |
| Gnaws Ltd | Wholesale & retail | 2025 |
| Gnomes Limited | Administrative & support | 2003 |
| Go Law Limited | Professional & scientific | 2012 |
| Go-Gourmet Catering Limited | Hospitality | 2013 |
| Gobble PR Ltd | Professional & scientific | 2022 |
| Goddard Court (Flats 1-36) RTM Company Limited | Households | 2024 |
| Gold Sigma Ltd | Professional & scientific | 2026 |
| Gold Standard Compliance Limited | Professional & scientific | 2019 |
| Goldcrest Brands Limited | Professional & scientific | 1998 |
| Golden Beauty and Aesthetic Ltd | Other services | 2019 |
| Golden Goose Services Limited | Administrative & support | 2024 |
| Golden Grace Limited | Financial services | 2024 |
| Golden Triangle of Cheshire Ltd | Wholesale & retail | 2023 |
| Goldfinch Properties Ltd | Real estate | 2013 |
| Golf MG (UK) Limited | Administrative & support | 2010 |
| Golf Time Limited | Information & communication | 2016 |
| Goose Rock Investments Limited | Real estate | 2025 |
| Goose Subliminals Ltd | Wholesale & retail | 2025 |
| Gorgeous Girl Limited | Manufacturing | 2018 |
| Gorilla Construction Group Ltd | Construction | 2025 |
| Gorilla Construction Services Ltd | Construction | 2026 |
| Gorton Maintenance Ltd | Construction | 2020 |
| Goswamy Medical and Legal Limited | Health & social care | 2019 |
| GOT the LOT Limited | Wholesale & retail | 1997 |
| Goumalatsos Ltd | Health & social care | 2017 |
| Govida Wellbeing Ltd | Health & social care | 2019 |
| Goyt Investments Limited | Real estate | 1980 |
| GPI Claims Ltd | Financial services | 2019 |
| GPT Medical Services Ltd | Wholesale & retail | 2014 |
| Gr&S Estates Ltd | Real estate | 2025 |
| Grace Convenience Store Limited | Wholesale & retail | 2021 |
| Graham Shapiro Design Limited | Professional & scientific | 2001 |
| Gram Medical Limited | Health & social care | 2016 |
| Grant Mcaree Associates Ltd | Health & social care | 2021 |
| Grant Mcaree Holding Limited | Financial services | 2022 |
| Graphene Legal Ltd | Professional & scientific | 2013 |
| Grassfield Holdings Limited | Financial services | 2025 |
| Gravel Lane LLP | | 2020 |
| Gray-Leigh Developments Ltd | Real estate | 2018 |
| Great Design Limited | Other services | 2019 |
| Great Harlow Park Homes Limited | Administrative & support | 2019 |
| Greater Good Property Company Ltd | Real estate | 2023 |
| Greater Manchester Maintenance Ltd | Construction | 2025 |
| Green Acres Solution Ltd | Administrative & support | 2022 |
| Green Bank Securities Limited | Administrative & support | 2009 |
| Green Common Management Company Limited | Households | 2024 |
| Green IP Limited | Information & communication | 2020 |
| Green Planet Beauty Limited | Wholesale & retail | 2019 |
| Green's Plumbing & Tiling Ltd | Construction | 2009 |
| Greene Events Properties Ltd | Real estate | 2022 |
| Greengrass Landscapes Macclesfield Ltd | Administrative & support | 2026 |
| Greenmount Manor Management Company Limited | Households | 2025 |
| Greenwood Flooring Ltd | Construction | 2025 |
| Greg LEE Consultancy Limited | Professional & scientific | 2023 |
| Gregoire Services Limited | Administrative & support | 2015 |
| Gregory Engineering Services Ltd | Construction | 2023 |
| Grenadier Property Management Limited | Real estate | 2018 |
| Gresty Properties Limited | Real estate | 2015 |
| Greyhound Business Services Limited | Administrative & support | 2017 |
| Greys Hair Design (Northenden) Limited | Other services | 2005 |
| Greys Hair Design (Sale) Limited | Other services | 2005 |
| Griff Services Ltd. | Construction | 2016 |
| Grill 13 Limited | Hospitality | 2022 |
| Groco 406 Limited | Financial services | 2021 |
| Grogan Orthopaedics Ltd | Health & social care | 2019 |
| Group Kilcommons Ltd | Financial services | 2026 |
| Grove Surgical Services Ltd | Health & social care | 2014 |
| Grove Talent Ltd | Administrative & support | 2022 |
| Grow NW Ltd | Financial services | 2022 |
| Growth Engineers Ltd | Professional & scientific | 2022 |