| Games in Hand Ltd | Information & communication | 2023 |
| Ganbatte Consulting Ltd | Professional & scientific | 2023 |
| Gandara Design Ltd | Administrative & support | 2026 |
| Ganttworks Ltd | Information & communication | 2024 |
| GAP Business Consult UK Limited | Administrative & support | 2025 |
| GAP Forged Engineering Ltd | Administrative & support | 2025 |
| GAP GAS and Plumbing (North West) Ltd | Construction | 2015 |
| Garage B UK Ltd | Wholesale & retail | 2024 |
| Garden County Vending Limited | Hospitality | 1974 |
| Garden Rooms of Cheshire Limited | Construction | 2018 |
| Gardenia Gardens Limited | Administrative & support | 2007 |
| Garenteed Properties Ltd | Real estate | 2026 |
| Gareth Batterbee Training Limited | Education | 2015 |
| Garlenick Wind Farm Limited | Energy | 2011 |
| Garmon 360 Limited | Professional & scientific | 2024 |
| Garner Engineering Services Limited | Professional & scientific | 1997 |
| Garnish Investments Limited | Financial services | 2016 |
| Garra Engineering Limited | Information & communication | 2023 |
| Garrett Ideas Limited | Administrative & support | 2024 |
| Garrett&Garrett Limited | Financial services | 2023 |
| Garside Design Services Limited | Administrative & support | 2014 |
| Garston Practice Ltd | Health & social care | 2019 |
| Garten Consulting Limited | Administrative & support | 2024 |
| Gartons Garage Ltd | Wholesale & retail | 2025 |
| Gartside Associates Limited | Professional & scientific | 2012 |
| Garwood Creative Studios Limited | Professional & scientific | 2019 |
| Gary Fazackerley Transport Limited | Transport & logistics | 2024 |
| Gary L Transport Limited | Transport & logistics | 2022 |
| Gary Wilcock QP Ltd | Professional & scientific | 2022 |
| Garywong Workshop Limited | Construction | 2017 |
| GAS (UK) Ltd | Administrative & support | 2014 |
| GAS Engineering Consultants Ltd | Administrative & support | 2024 |
| GAS Power Developments Limited | Financial services | 2017 |
| GAS Safe Cheshire Ltd | Construction | 2024 |
| Gasco Heating and Bathrooms Ltd | Construction | 2025 |
| Gasco Heating and Plumbing Limited | Construction | 2022 |
| Gases UK Ltd | Extraterritorial | 2014 |
| Gaskell Bros (WM. & C.) Limited | Mining & quarrying | 1963 |
| Gaskin Strategic Rail Services Ltd | Administrative & support | 2026 |
| Gastec 365 Ltd | Construction | 2017 |
| Gastech Import Cars Ltd | Wholesale & retail | 2021 |
| Gastech Warrington Ltd | Wholesale & retail | 2011 |
| Gastroco Ltd | Hospitality | 2024 |
| GAT Lifting Services Limited | Administrative & support | 2014 |
| Gatehouse Digital Services Ltd | Information & communication | 2018 |
| Gatekeepers Lettings Ltd | Real estate | 2024 |
| Gateway Language CIC | Education | 2025 |
| Gathering Warrington Ltd | Hospitality | 2026 |
| Gaverello Limited | Administrative & support | 2013 |
| Gavgo Ltd | Wholesale & retail | 2015 |
| Gavin R Grant Ltd | Administrative & support | 2025 |
| Gavinsure Limited | Financial services | 2022 |
| Gaza the Ginger Ltd | Public administration | 2019 |
| Gazelle Distribution Limited | Professional & scientific | 2016 |
| Gazit Limited | Information & communication | 2012 |
| Gazoil Limited | Administrative & support | 2012 |
| GB Aerotech Limited | Administrative & support | 2018 |
| GB Ghost Kitchen Limited | Hospitality | 2026 |
| GB Race Tracker Ltd | Administrative & support | 2019 |
| GB Stamp Limited | Real estate | 2020 |
| GB Ultras Ltd | Arts & recreation | 2015 |
| GB8 Solutions Ltd | Professional & scientific | 2024 |
| Gbe-N (Warrington) Limited | Energy | 2025 |
| GC Contractors Limited | Construction | 2006 |
| GC7 Travel Limited | Transport & logistics | 2023 |
| GCC Funding (NO.4) Limited | Financial services | 2023 |
| GCJ Project Management Limited | Professional & scientific | 2018 |
| Gcjm Limited | Construction | 2025 |
| GCN Consulting Limited | Professional & scientific | 2024 |
| GCP Generation Ltd | Energy | 2016 |
| Gcpw Limited | Professional & scientific | 2021 |
| Gcvs Services Limited | Information & communication | 2018 |
| GD Engineering Solutions Ltd | Information & communication | 2026 |
| GD Golf Ltd | Wholesale & retail | 2019 |
| Gded UK Ltd | Transport & logistics | 2022 |
| Gdex Solutions Ltd | Information & communication | 2019 |
| GDF Expedition Limited | Transport & logistics | 2026 |
| GDK Energy Services Limited | Administrative & support | 2022 |
| GDL Projects Ltd | Professional & scientific | 2021 |
| GDP Design Limited | Professional & scientific | 2013 |
| GDR Living Ltd | Real estate | 2020 |
| Gdyne Systems Limited | Information & communication | 2005 |
| GE Morris Ltd | Administrative & support | 2024 |
| Ge-De Ltd | Transport & logistics | 2019 |
| GEA Group Holdings (UK) Limited | Professional & scientific | 1994 |
| GEA Process Engineering Limited | Manufacturing | 1976 |
| Gedpov Limited | Administrative & support | 2023 |
| Geek Burgers Limited | Hospitality | 2018 |
| Geek Girl Solutions Limited | Information & communication | 2012 |
| Geekplus UK Limited | Professional & scientific | 2019 |
| Geeset Consultancy Limited | Professional & scientific | 2013 |
| GEF Carbon Solutions Ltd | Financial services | 2026 |
| Gehry Consultants Limited | Information & communication | 2018 |
| Geisha Limited | Wholesale & retail | 2002 |
| Gelatin Technology Ltd | Professional & scientific | 2012 |
| Gelco Systems Limited | Professional & scientific | 2017 |
| GEM Kent Productions Ltd | Information & communication | 2018 |
| GEM Power and Control Ltd | Administrative & support | 2024 |
| GEM Tobin Limited | Professional & scientific | 2018 |
| Gemba Associates Limited | Administrative & support | 2016 |