| Goldenform Limited | Professional & scientific | 2015 |
| Goldenmart Ltd | Wholesale & retail | 2025 |
| Goldfinch Healthcare Ltd | Health & social care | 2019 |
| Goldfish Innovations Limited | Wholesale & retail | 2018 |
| Goliath Engineering Services Limited | Real estate | 2016 |
| Good Mortgage Solutions Limited | Financial services | 2014 |
| Goodhouse Media Ltd | Information & communication | 2026 |
| Goodwell James LLP | | 2020 |
| Goosepool Properties Ltd | Real estate | 2017 |
| Gopal DIA Limited | Real estate | 2017 |
| Gore Legal Consultancy Limited | Professional & scientific | 2023 |
| Gorilla Business Consulting Limited | Professional & scientific | 2017 |
| Goshen Mart Ltd | Wholesale & retail | 2025 |
| Goswell Marketing Limited | Professional & scientific | 2009 |
| GP Project Management Ltd. | Construction | 2013 |
| GPE Properties Limited | Real estate | 2016 |
| GPS Property Group Ltd | Real estate | 2025 |
| GR Estates After Hours Ltd | Hospitality | 2025 |
| GR Estates Removals Ltd | Transport & logistics | 2025 |
| GR Robinson Elite Sport Ltd | Administrative & support | 2026 |
| GR UK Property Ltd | Real estate | 2024 |
| GR8 Investments Ltd | Real estate | 2021 |
| GR8 Property Solutions Ltd | Real estate | 2021 |
| Gra-Jo Limited | Other services | 1998 |
| Grace Classic Properties Ltd | Real estate | 2025 |
| Grade a Fire & Security Limited | Administrative & support | 2023 |
| Gradestone Limited | Health & social care | 2006 |
| Graftr Systems Ltd | Information & communication | 2026 |
| Graham & Michie Properties Ltd | Real estate | 2026 |
| Graham Charlton Motorcycles Limited | Wholesale & retail | 2000 |
| Graham Reeds Consulting Services Limited | Administrative & support | 2016 |
| Grail Movement | Professional & scientific | 2021 |
| Grainger Wealth Management Limited | Financial services | 2015 |
| Graney Property Ltd | Real estate | 2020 |
| Grange Day Centre Limited | Other services | 1994 |
| Grange Welfare Association | Health & social care | 2014 |
| Grangetown Healthcare Limited | Administrative & support | 2016 |
| Grants Engineering Limited | Professional & scientific | 2018 |
| Grants Supplies Limited | Wholesale & retail | 2004 |
| Graphene Composites Limited | Manufacturing | 2016 |
| Grasers Limited | Wholesale & retail | 2015 |
| Green Biscuit Studio Limited | Information & communication | 2015 |
| Green Electrical Solutions (NE) Ltd | Construction | 2025 |
| Green Food Safety Compliance 23 Limited | Professional & scientific | 2023 |
| Green Grass Lawncare Limited | Other services | 2018 |
| Green Lifting Limited | Administrative & support | 2014 |
| Green Olive Support Services Ltd | Information & communication | 2024 |
| Green Parks (Westward HO!) Management Company Limited | Extraterritorial | 2009 |
| Green Parks Finance Limited | Other services | 2011 |
| Green Parks Holdings (Ilfracombe) Ltd | Real estate | 2015 |
| Green Pike Ltd | Information & communication | 2018 |
| Green Power Trading UK Ltd | Wholesale & retail | 2016 |
| Green T Limited | Professional & scientific | 2025 |
| Green Tea Games Limited | Information & communication | 2017 |
| Green Yard Properties Development Limited | Construction | 2024 |
| Greenacre Developments Ltd | Real estate | 2025 |
| Greenline Fencing Ltd | Construction | 2024 |
| Greens Energy Ltd | Construction | 2007 |
| Greens Valley Investments Limited | Real estate | 2020 |
| Greensource Services Ltd | Construction | 2021 |
| Greenspur Wind Limited | Professional & scientific | 2016 |
| Greg Newlands Fitness Limited | Health & social care | 2018 |
| Greig Cowley the Mortgage MAN Ltd | Financial services | 2020 |
| Grey Wolf Group Ltd | Administrative & support | 2016 |
| GRK Apex Services Ltd | Construction | 2025 |
| Groot Ltd | Hospitality | 2022 |
| Groovy Paws Ltd | Wholesale & retail | 2024 |
| Groundpool Limited | Real estate | 2005 |
| Group-Industrial UK Ltd | Professional & scientific | 2014 |
| Groutgleam Teesside Limited | Construction | 2023 |
| Groutgleam York Limited | Construction | 2023 |
| Grove (Marton) Estate Limited (the) | Households | 1963 |
| Grove Mews (Hartlepool) Ltd | Real estate | 2013 |
| Grow & Develop Limited | Professional & scientific | 2022 |
| Growth Brittania Limited | Real estate | 2017 |
| Growth Commercial Developments Limited | Real estate | 2016 |
| Growth Deal Sourcing Ltd | Professional & scientific | 2015 |
| Growth Lettings Limited | Other services | 2016 |
| Growth Properties Limited | Real estate | 2015 |
| Growtheducation(Uk) Limited | Education | 2018 |
| Growthproperties Group Limited | Other services | 2016 |
| Grubio Europe Ltd | Wholesale & retail | 2026 |
| Gruner Biomaintaine Limited | Professional & scientific | 2025 |
| Gruner Electrix Limited | Professional & scientific | 2025 |
| GS Lifting Company Limited | Construction | 2017 |
| GS Pro UK Ltd | Other services | 2023 |
| GSR Holdings (NE) Ltd | Administrative & support | 2025 |
| GT Accountancy Limited | Professional & scientific | 2018 |
| GT Signs & Print Ltd | Manufacturing | 2011 |
| GT Waste Management Ltd | Wholesale & retail | 2025 |
| Gtaup Ltd | Construction | 2025 |
| Gtra Enterprises Limited | Wholesale & retail | 2025 |
| GTS Super Services Ltd | Construction | 2025 |
| GTS Tech Limited | Administrative & support | 2007 |
| Guarantee Barbers (NE) Ltd | Other services | 2025 |
| Guardian Improvements (UK) Ltd | Construction | 2019 |
| GUE Healthcare Ltd | Health & social care | 2023 |
| Guests Media Ltd | Information & communication | 2025 |
| Guisborough Development Limited | Construction | 2019 |
| Gull Corporation Limited | Professional & scientific | 2016 |