| Great Wins Ltd | Wholesale & retail | 2018 |
| Greater Bharera Development Organisation UK | Health & social care | 2021 |
| Greater Bogra Association in the UK | Other services | 2005 |
| Greater Dhaka Club UK | Financial services | 2021 |
| Greater London Accounting Ltd | Professional & scientific | 2016 |
| Greater London Investments Limited | Real estate | 2001 |
| Greater MCR Property Ltd | Real estate | 2023 |
| Greatest Vapes Ltd | Wholesale & retail | 2022 |
| Greatfields (London) Ltd | Construction | 2025 |
| Greeen Chase Limited | Information & communication | 2023 |
| Greek Souvlakis Ipswich Ltd | Hospitality | 2023 |
| Green (Palmerston Road) Limited(The) | Households | 1966 |
| Green Adventure Limited | Real estate | 2016 |
| Green Apple Mart Ltd | Wholesale & retail | 2024 |
| Green Beauty Limited | Other services | 2017 |
| Green BEE Insights Limited | Professional & scientific | 2019 |
| Green Birds Professionals Ltd | Wholesale & retail | 2025 |
| Green Bright Installations Ltd | Administrative & support | 2026 |
| Green Care Services Ltd | Wholesale & retail | 2015 |
| Green Chillies Ltd | Hospitality | 2023 |
| Green County Ltd | Construction | 2012 |
| Green Cover Ltd | Other services | 2025 |
| Green Dealer Limited | Real estate | 2023 |
| Green Edge Property Relocations Limited | Hospitality | 2020 |
| Green Energy Brokers UK Ltd | Construction | 2024 |
| Green Energy Connects Ltd | Energy | 2025 |
| Green Grow Ltd | Wholesale & retail | 2024 |
| Green KO Ltd | Information & communication | 2020 |
| Green Lane Butchers Ltd | Wholesale & retail | 2026 |
| Green Lane Carpets Ltd | Wholesale & retail | 2011 |
| Green Lane Community Centre | Administrative & support | 2015 |
| Green Lane Eatery Ltd | Hospitality | 2025 |
| Green Lane Food Ltd | Wholesale & retail | 2017 |
| Green Lane Motors Limited | Wholesale & retail | 2014 |
| Green Lane Tyres & Autos Ltd | Wholesale & retail | 2015 |
| Green Leaf Star Ltd | Wholesale & retail | 2022 |
| Green London Cars Ltd | Wholesale & retail | 2022 |
| Green Olive Construction Limited | Real estate | 2020 |
| Green Olive Properties Ltd | Real estate | 2016 |
| Green Paradise Ltd | Real estate | 2011 |
| Green Peak Ltd | Real estate | 2023 |
| Green Skies Limited | Administrative & support | 2025 |
| Green Solar Limited | Wholesale & retail | 2010 |
| Green Star Global Limited | Extraterritorial | 2025 |
| Green Vape Essex Limited | Wholesale & retail | 2024 |
| Green Vision Partners Limited | Hospitality | 2025 |
| Green Vision Renewables Ltd | Construction | 2024 |
| Green ZIN Ltd | Hospitality | 2018 |
| Greenbell Solutions Limited | Professional & scientific | 2024 |
| Greendeensupplements Ltd | Wholesale & retail | 2024 |
| Greenexis Group Ltd | Professional & scientific | 2026 |
| Greenford Cargo Ltd | Other services | 2018 |
| Greenhill Care Homes Limited | Health & social care | 2007 |
| Greenhouse Entertainment Management Ltd | Professional & scientific | 2019 |
| Greenhouse Investment (UK) Limited | Construction | 2013 |
| Greenie's Smoothies Limited | Manufacturing | 2017 |
| Greenix Homes Ltd | Construction | 2025 |
| Greenland Trading Ltd | Real estate | 2021 |
| Greenlane Invest Ltd | Real estate | 2026 |
| Greenlane Tyres Ltd | Wholesale & retail | 2026 |
| Greenleafe Capital Limited | Real estate | 2025 |
| Greenleafe Medics Ltd | Health & social care | 2022 |
| Greenleafe Wealth Limited | Real estate | 2025 |
| Greenlinehouses Limited | Real estate | 2024 |
| Greenova Studio Landscapes Ltd | Administrative & support | 2026 |
| Greenpack Solutions Limited | Wholesale & retail | 2025 |
| Greenside 2022 Ltd | Construction | 2021 |
| Greenways Manor Limited | Information & communication | 2023 |
| Greenwich Central College (GCC) Limited | Education | 2024 |
| Greenwich Laundry and Linen Hire Ltd | Other services | 2023 |
| Greenwilliams Ltd | Wholesale & retail | 2021 |
| Greenwood & Co Limited | Professional & scientific | 2012 |
| Greenwood College London Limited | Education | 2024 |
| Greenwood Home Improvements Ltd | Construction | 2003 |
| Greenyard Farmacy Limited | Other services | 2025 |
| Greg Sarkis Properties Ltd | Real estate | 2020 |
| Gregale Astu Limited | Professional & scientific | 2025 |
| Gregale Limited | Real estate | 2012 |
| Gregory Lucas Transport Ltd | Transport & logistics | 2019 |
| Grenz Zone Limited | Professional & scientific | 2025 |
| Gresham Place Ilford Ltd | Real estate | 2020 |
| Grewal Builder UK Limited | Construction | 2014 |
| Grewal Developments Ltd | Real estate | 2024 |
| Grey Gardens ( Leigh ) Ltd | Real estate | 2020 |
| Grey Tower Design & Installation Limited | Construction | 2012 |
| Greyhound Lane Limited | Real estate | 2021 |
| Greystream Limited | Wholesale & retail | 2023 |
| Greywell Belle Limited | Information & communication | 2023 |
| GRH Consulting Ltd | Information & communication | 2024 |
| Grid Excellence Ltd | Information & communication | 2022 |
| Gridhaven Energy Ltd | Construction | 2026 |
| Gridizen Ltd | Information & communication | 2015 |
| Griff and Mabel Ltd | Manufacturing | 2020 |
| Griffin Digital Solutions Ltd. | Information & communication | 2011 |
| Griffin Transport Solutions Ltd | Transport & logistics | 2022 |
| Griffiths Trading Limited | Real estate | 2006 |
| Griffon Construction Ltd | Construction | 2011 |
| Griffon Interiors Ltd | Manufacturing | 2021 |
| Griha Care and Support Limited | Health & social care | 2014 |
| Griha Limited | Real estate | 2014 |