| G.R.S. Contractors Topco Limited | Financial services | 2022 |
| G3 Concepts Limited | Manufacturing | 2014 |
| Gadgets N Repair Ltd | Wholesale & retail | 2018 |
| GAF Home Ltd | Other services | 2012 |
| Galaxy Blinds Manufacturers Ltd | Wholesale & retail | 2024 |
| Galaxy Tackle Ltd | Wholesale & retail | 2025 |
| Galo Transport Ltd | Transport & logistics | 2020 |
| GAM Drive Ltd | Transport & logistics | 2026 |
| Game Media Tech Limited | Wholesale & retail | 2022 |
| Garage Doors (North West) Limited | Construction | 2002 |
| Garb Consignment Limited | Wholesale & retail | 2025 |
| Garden Stones Limited | Construction | 2023 |
| Garlic Spice Ltd | Hospitality | 2020 |
| GAS Wise Limited | Construction | 2004 |
| Gascon Services Limited | Construction | 2025 |
| Gastric Band Clinic Ltd | Health & social care | 2023 |
| Gateacre Chemists Limited | Health & social care | 2003 |
| Gathurst Projects Ltd | Construction | 2025 |
| GB Sealants Limited | Construction | 2019 |
| GBG Courier Services Ltd | Transport & logistics | 2026 |
| Gbloq Technology Ltd | Information & communication | 2025 |
| GD Consultants (North West) Ltd | Construction | 2023 |
| Geca Elite Properties Ltd | Construction | 2025 |
| Geek House Cuisine Ltd | Hospitality | 2023 |
| Geek House Lodge & Lounge Ltd | Arts & recreation | 2024 |
| Geeky Designs Limited | Information & communication | 2018 |
| Gemell Automotive Ltd | Wholesale & retail | 2026 |
| Genesis Steel (Omagh) Limited | Wholesale & retail | 2022 |
| Genich 2 LLP | | 2010 |
| Genich Property LLP | | 2009 |
| Genius App Ltd | Information & communication | 2025 |
| Genius Epos Ltd | Wholesale & retail | 2022 |
| Genius Support Ltd | Information & communication | 2025 |
| GEO TEO PUB Co Ltd | Hospitality | 2025 |
| George Car Wash Limited | Other services | 2018 |
| George Dingsdale (ST. Helens) Limited | Real estate | 1951 |
| Georgian Boat Ltd | Hospitality | 2024 |
| German Plates Limited | Wholesale & retail | 2015 |
| GFORCE24.ONLINE Limited | Wholesale & retail | 2024 |
| GG Promotions Ltd. | Professional & scientific | 2011 |
| GH Audio Ltd | Other services | 2025 |
| Ghap Records Ltd | Information & communication | 2026 |
| GHR Transport Limited | Wholesale & retail | 2014 |
| Gibbon Properties (NW) Limited | Real estate | 2023 |
| Gibson & Fitzpatrick Associates Ltd | Construction | 2019 |
| GIC Innovation Ltd | Professional & scientific | 2025 |
| Giftlovers Ltd | Wholesale & retail | 2020 |
| Gillarsdale Limited | Real estate | 2010 |
| Ginger & Brown Publishing Ltd | Information & communication | 2022 |
| Ginity Ltd | Transport & logistics | 2020 |
| GJA Care Ltd | Health & social care | 2022 |
| GJB Consult Ltd | Professional & scientific | 2019 |
| GJC Consultancy Services Ltd | Professional & scientific | 2022 |
| GJM Consulting Ltd | Professional & scientific | 2022 |
| GJM Transport NW Limited | Transport & logistics | 2016 |
| GJW Group Ltd | Hospitality | 2023 |
| GK Plastering Solutions Limited | Construction | 2015 |
| GKF Financial Limited | Financial services | 2023 |
| Glass Futures Ltd | Manufacturing | 2016 |
| Gledhill Solutions Ltd | Real estate | 2020 |
| Gleem Clean Limited | Administrative & support | 2011 |
| Glmp Group Ltd | Wholesale & retail | 2025 |
| Global Material Handling Ltd | Administrative & support | 2006 |
| Global Material Holding Limited | Administrative & support | 2018 |
| Global Power Services (U.K.) Limited | Energy | 2009 |
| Global Skill Solutions Limited | Education | 2014 |
| Globel One Limited | Hospitality | 2015 |
| Glow Skincare and Tanning Ltd | Wholesale & retail | 2024 |
| Glowbar Electrical & Power Tools Limited | Wholesale & retail | 2019 |
| GM Planning & Project Management Ltd | Professional & scientific | 2009 |
| GMC Supplies Limited | Hospitality | 2021 |
| Go Maintain Painting and Decorating Services Limited | Construction | 2018 |
| Gofor Deliveries Ltd | Transport & logistics | 2017 |
| Gold Blend Limited | Wholesale & retail | 2022 |
| Gold Circle Group Ltd | Real estate | 2024 |
| Gold LUX Ltd | Construction | 2019 |
| Gold Swan Nail Supplies Ltd | Other services | 2023 |
| Golden Fishery Ltd | Hospitality | 2024 |
| Golden Nail Academy by Dominika Ltd | Education | 2025 |
| Golden Sky Marketing and Communications Limited | Information & communication | 2015 |
| Gomotive Limited | Wholesale & retail | 2023 |
| Good New Care Limited | Public administration | 2023 |
| Goodfooduk Limited | Hospitality | 2018 |
| Goodstock Live Limited | Administrative & support | 2026 |
| Goodwood House Ltd | Professional & scientific | 2026 |
| Gordon Construction (ST Helens) Ltd | Construction | 2014 |
| Gordon Kitto Welding Limited | Construction | 1978 |
| Gordon Leicester Ltd | Other services | 2024 |
| Gorilla Smart Repair Ltd | Wholesale & retail | 2020 |
| Gorilla Tyres Ltd | Extraterritorial | 2017 |
| GP Bulk Haulage Ltd | Transport & logistics | 2020 |
| GP Miska Limited | Construction | 2022 |
| Gpe-Nw Ltd | Health & social care | 2023 |
| GPF Consulting Limited | Professional & scientific | 2019 |
| GPS Wealth Management Limited | Professional & scientific | 2021 |
| Grace Teaches Yoga Limited | Arts & recreation | 2026 |
| Gracefield Palm Ltd | Health & social care | 2024 |
| Graham Enterprises & Services Ltd | Other services | 2018 |
| Graham Northern Services Ltd | Agriculture & fishing | 2018 |
| Grand Britannia Beds Ltd | Manufacturing | 2025 |