| Getfar Limited | Health & social care | 2019 |
| Gg's Stables Limited | Arts & recreation | 2018 |
| GG1 Ltd. | Professional & scientific | 2012 |
| GG3 Ltd | Information & communication | 2016 |
| Ghost Train Limited | Professional & scientific | 1931 |
| GHR Properties Limited | Real estate | 2016 |
| Gibbosity Ltd | Manufacturing | 2010 |
| Gift of Graduation Limited | Wholesale & retail | 2022 |
| Gild Properties Limited | Real estate | 2016 |
| Gillsmills Limited | Professional & scientific | 2025 |
| Gilston Properties Limited | Real estate | 2019 |
| Gilston Waste Management Limited | Other services | 2016 |
| Giltdale Cotton Services Limited | Wholesale & retail | 2021 |
| Ginger Properties (NW) Ltd | Real estate | 2026 |
| Ginger T Audio Ltd | Information & communication | 2013 |
| Ginger Viking Ltd | Hospitality | 2019 |
| Gingers Westgate Limited | Hospitality | 2020 |
| Gingo Bingo Ltd | Other services | 2020 |
| Give AS One LLP | | 2018 |
| Giving Solutions Group Limited | Other services | 2025 |
| GJW Developments Limited | Real estate | 2025 |
| GK Indenpendent Cleaners Group Ltd | Administrative & support | 2021 |
| GKD Investment Solutions Ltd | Real estate | 2025 |
| Gladebrook Residents Association Limited | Households | 1983 |
| Gladstone Brookes Limited | Administrative & support | 2007 |
| Gladstone Services Ltd | Real estate | 2023 |
| Glanville Engineer Ltd | Construction | 2018 |
| Glen Francis Commercial Limited | Construction | 2023 |
| Glendale Property North West Ltd | Households | 2018 |
| Glenelg Support Limited | Health & social care | 2002 |
| Glengarth Medical Limited | Health & social care | 2020 |
| Glissmann Limited | Construction | 2007 |
| Glitz Retail Ltd | Wholesale & retail | 2012 |
| GLJ Rigging and Lifting Services Ltd | Mining & quarrying | 2025 |
| Global Business Match Making Ltd | Professional & scientific | 2024 |
| Global Nexus Trading Limited | Wholesale & retail | 2025 |
| Global Reach (Marine Consultancy and Survey) UK Limited | Professional & scientific | 2015 |
| Global Rework Solutions Limited | Information & communication | 2015 |
| GMG Finance Limited | Administrative & support | 2008 |
| GMR Holdings Ltd | Professional & scientific | 2018 |
| GNW Instrumentation Ltd | Manufacturing | 2012 |
| Go Green Lawn Care Manchester Limited | Administrative & support | 2009 |
| Go Green Lawn Care Warrington Ltd | Administrative & support | 2024 |
| Go to the Forest Ltd | Wholesale & retail | 2012 |
| Go Walkies Boarding Limited | Other services | 2018 |
| Go Walkies Limited | Other services | 2025 |
| Go Walkies Pet Services Ltd | Other services | 2016 |
| GO2COURIERS Ltd | Transport & logistics | 2011 |
| GO2EAT Ltd | Hospitality | 2025 |
| Goalkeeper Warz Ltd | Education | 2018 |
| Goalmate Ltd | Education | 2024 |
| Goblett Property Ltd | Real estate | 2022 |
| Goel Services Ltd | Health & social care | 2018 |
| Golden Dinner 2018 Limited | Hospitality | 2018 |
| Golden Dragon Southport Ltd | Hospitality | 2018 |
| Golden Vision Properties Ltd | Real estate | 2017 |
| Golding Lakes Retreats Limited | Real estate | 2025 |
| Goloyal Ltd | Information & communication | 2025 |
| Good Indeed Music Limited | Arts & recreation | 2018 |
| Good Time Travels Ltd | Administrative & support | 2023 |
| Gorsefield Lodge Management Company Limited | Households | 1976 |
| Gosk Limited | Education | 2016 |
| Goslin & Wells Ltd | Real estate | 2021 |
| Gourmet Southport Ltd | Hospitality | 2024 |
| Goza Group Ltd | Hospitality | 2023 |
| GP Biscuits Ltd | Administrative & support | 2023 |
| GP Gift Limited | Other services | 2009 |
| GP Hall Ltd | Hospitality | 2022 |
| GPR Nail Design Ltd | Administrative & support | 2017 |
| GR Student Properties Limited | Real estate | 2017 |
| GR8TRADES Ltd | Construction | 2019 |
| Grab and Go Southport Ltd | Wholesale & retail | 2026 |
| Graceholme Management Company (Southport) Limited | Real estate | 2003 |
| Grafene Holdings Limited | Real estate | 2023 |
| Grafton Road Limited | Real estate | 2018 |
| Graham Property Group Ltd | Real estate | 2021 |
| Graham's Ground Solutions Ltd | Administrative & support | 2015 |
| Grameen City Caterers Limited | Hospitality | 2021 |
| Grand Oak Homes Ltd. | Wholesale & retail | 2019 |
| Grand Southport Limited | Construction | 2018 |
| Grandad PUB Tavern Limited | Hospitality | 2025 |
| Granite Stone Paving Limited | Construction | 2024 |
| Granville Court Freehold Management Company Ltd | Households | 2019 |
| Granville Occupational Medical Services Limited | Health & social care | 2013 |
| Granville Road Freehold Limited | Administrative & support | 2019 |
| Grapper Restaurant Ltd | Administrative & support | 2014 |
| Gravel Lane Flat Management Limited | Real estate | 2021 |
| Graveyard Properties Limited | Real estate | 2018 |
| Gray Ventures Limited | Real estate | 1982 |
| Graystokes Ltd | Construction | 2023 |
| Graystone Capital Partners Limited | Real estate | 2015 |
| Graze & Olive Ltd | Hospitality | 2021 |
| Graze Hospitality Limited | Hospitality | 2020 |
| Great Pyramid Limited | Construction | 2015 |
| Greek ST Limited | Hospitality | 2021 |
| Green Door Improvements Limited | Construction | 2014 |
| Green Guru Ltd | Professional & scientific | 2024 |
| Green Haulage Limited | Transport & logistics | 2003 |
| Green Haus Services Limited | Professional & scientific | 2023 |
| Green Paperwork Ltd | Professional & scientific | 2011 |