| Golden Oak Wealth Management Limited | Financial services | 2017 |
| Golden Platinum Property U.K Ltd | Real estate | 2020 |
| Golden Square Homes Ltd | Real estate | 2025 |
| Golden Star Logistics Ltd | Transport & logistics | 2024 |
| Golden Ticket 24 Limited | Wholesale & retail | 2024 |
| Goldenhill Church Limited | Real estate | 2025 |
| Goldens Properties Ltd | Real estate | 2025 |
| Goldhay Arts | Education | 2000 |
| Goldhook Group Limited | Wholesale & retail | 2020 |
| Goldmyne Ltd | Wholesale & retail | 2025 |
| Goldstar Cabs Limited | Transport & logistics | 2007 |
| Goldstar Diamond Cars Rutland Ltd | Transport & logistics | 2024 |
| Goldstar Diamond Cars Yaxley Limited | Transport & logistics | 2022 |
| Goldwings Trade Limited | Hospitality | 2021 |
| Golec Ltd | Transport & logistics | 2015 |
| Gomenzo Limited | Wholesale & retail | 2018 |
| Gomestohomes Ltd | Other services | 2025 |
| Gomo Garden Pods Limited | Wholesale & retail | 2019 |
| Gomosolo Ltd | Information & communication | 2012 |
| Gonia Truck Ltd | Wholesale & retail | 2015 |
| Good Morals Careplus 24/7 Ltd | Administrative & support | 2019 |
| Good Point Poland Ltd. | Financial services | 2016 |
| Good Seed Care Ltd | Health & social care | 2025 |
| Good Skin Care Company Limited | Manufacturing | 2014 |
| Good Soup Vending Ltd | Wholesale & retail | 2025 |
| Good-Design-Ing Limited | Professional & scientific | 2007 |
| Goodfellow Property Ltd | Real estate | 2025 |
| Goodnews Connections Ltd | Wholesale & retail | 2022 |
| Goodparts RS Ltd | Wholesale & retail | 2024 |
| Goodsure Underwriting Limited | Financial services | 1998 |
| Goozbumps Ltd | Wholesale & retail | 2026 |
| Gorell Estates Limited | Real estate | 2019 |
| Gorgeous Vivi Beauty Ltd | Wholesale & retail | 2024 |
| Gorilla Editions Ltd | Construction | 2026 |
| Gorkha Kitchen Ltd | Hospitality | 2020 |
| Gorobette Ltd | Transport & logistics | 2025 |
| Gospo Trans Limited | Transport & logistics | 2025 |
| Gossage Family Investments Ltd | Professional & scientific | 2025 |
| Gossip Ltd | Wholesale & retail | 2021 |
| Gostic Homes Limited | Real estate | 2023 |
| GOT Cars PB Ltd | Wholesale & retail | 2024 |
| Gott Close Residents Company Limited | Households | 2001 |
| Goush Gawn Ltd | Hospitality | 2019 |
| Goyns Holdings Limited | Wholesale & retail | 2016 |
| GP Hauls Ltd | Transport & logistics | 2026 |
| GP Matias Ltd | Transport & logistics | 2025 |
| GP Norfolk Properties Ltd | Real estate | 2021 |
| GP Nurse Solutions Ltd | Health & social care | 2025 |
| GP Pipelines and Construction Ltd | Construction | 2019 |
| GP Print Limited | Manufacturing | 2011 |
| GP Properties & Lettings Ltd | Real estate | 2021 |
| GP Spices Limited | Manufacturing | 2017 |
| GPA Consulting Engineers Limited | Professional & scientific | 2024 |
| GPA Holdings Limited | Construction | 1996 |
| GPB IT Solutions Limited | Information & communication | 2025 |
| GPB Software Solutions Ltd | Information & communication | 2023 |
| Gplm Holdings Limited | Professional & scientific | 2011 |
| Gpsimulation Ltd | Education | 2017 |
| Gpuair Ltd | Information & communication | 2025 |
| GR8 Security Limited | Administrative & support | 2008 |
| GRABBITA2Z Ltd | Wholesale & retail | 2025 |
| Grace City UK Ltd | Extraterritorial | 2023 |
| Grace Cleaning Services Ltd | Administrative & support | 2025 |
| Grace Tomas Healthcare Ltd | Health & social care | 2023 |
| Grace Tutors Limited | Education | 2021 |
| Graceflo Estates Ltd | Real estate | 2026 |
| Gracehill Homes Ltd | Real estate | 2018 |
| Gracelink Church | Other services | 2025 |
| Graceys Consultancy Limited | Real estate | 2022 |
| Grade a Recruitment Limited | Administrative & support | 2012 |
| Grafit Ltd | Transport & logistics | 2016 |
| Grafton Estate NO. 1 GP Limited | Construction | 2009 |
| Grafton Estate NO.3 Limited Partnership | | 2007 |
| Grafton Ventures Limited | Construction | 2015 |
| Graftons L Ltd | Information & communication | 2025 |
| Graham (Newmarket) Management Company Limited (the) | Households | 1972 |
| Graham Flood the Chimney Sweep Limited | Administrative & support | 2023 |
| Graham Young (2007) Limited | Wholesale & retail | 2007 |
| Graham's Landscapes Limited | Administrative & support | 2019 |
| Gram-Uk Ltd | Information & communication | 2023 |
| Gramaro Group Ltd | Financial services | 2025 |
| Grand Belle Events Ltd | Hospitality | 2018 |
| Grand Designs Space Ltd | Construction | 2025 |
| Grand Installations Ltd | Construction | 2017 |
| Grand Labour Agency Ltd | Administrative & support | 2018 |
| Grand Pablo Limited | Administrative & support | 2017 |
| Grand Property Management Ltd | Real estate | 2023 |
| Grandlife Studios Ltd | Professional & scientific | 2019 |
| Grandline Plastering Limited | Construction | 2006 |
| Grandscape Gardens Ltd | Administrative & support | 2022 |
| Grange Development Corby Glen Ltd | Construction | 2025 |
| Grange Developments (Aslockton) Limited | Construction | 2020 |
| Grange Developments (Colston Bassett) Limited | Construction | 2019 |
| Grange Developments (Newark) Limited | Construction | 2024 |
| Grange Developments (Nottingham) Limited | Construction | 2006 |
| Grange Developments (Rutland) Limited | Construction | 2024 |
| Grange Developments Holdings Limited | Financial services | 2024 |
| Grange Evolution Limited | Professional & scientific | 2020 |
| Grange Farm Homes Ltd | Real estate | 2022 |
| Grange Farm Leisure Limited | Arts & recreation | 2011 |