| Golding KC Stones Ltd | Wholesale & retail | 2019 |
| Goldline Car Rental Limited | Administrative & support | 2025 |
| Goldline Driving School Ltd | Education | 2025 |
| Goldline Management Ltd | Real estate | 2026 |
| Goldstock Limited | Wholesale & retail | 2003 |
| Goldstone Building Contractors Limited | Construction | 2023 |
| Goldstone Cars Ltd | Wholesale & retail | 2013 |
| Gomaris Limited | Hospitality | 2013 |
| Gomera Ltd | Other services | 2016 |
| GON Construction Ltd | Construction | 2022 |
| Good & Proper Studio Ltd | Professional & scientific | 2020 |
| Good Day Bakery and Cafe Ltd | Manufacturing | 2025 |
| Good Day Express Ltd | Manufacturing | 2023 |
| Good Deal (Luton) Limited | Wholesale & retail | 2016 |
| Good Hands Healthcare Limited | Health & social care | 2022 |
| Good Life Property Management Ltd | Real estate | 2017 |
| Good Luck Golden Ltd | Hospitality | 2026 |
| Good Practice Itsm Consulting Ltd | Information & communication | 2015 |
| Good Vibes Events Ltd | Arts & recreation | 2019 |
| Goodcore Software Group Ltd | Information & communication | 2025 |
| Gooddeid Ltd | Administrative & support | 2025 |
| Goode Foodz Ltd | Extraterritorial | 2023 |
| Goodfields Agency Ltd | Other services | 2018 |
| Goodguyz Oval Limited | Other services | 2000 |
| Goodholm Finance Limited | Financial services | 2013 |
| Goodndgood Ltd | Wholesale & retail | 2025 |
| Goodnews Bible Church Ltd | Other services | 2018 |
| Goodshoeman Limited | Real estate | 2012 |
| Gordon John Hughes Limited | Arts & recreation | 2026 |
| Gorgonix Limited | Professional & scientific | 2018 |
| Gorrila Demolition Ltd | Construction | 2026 |
| Gorsitrade Ltd | Wholesale & retail | 2025 |
| Goshen Estate Ltd | Real estate | 2022 |
| Goshen Multiservices Group Ltd | Administrative & support | 2023 |
| Goshen Private Care Limited | Health & social care | 2023 |
| Gospel Music Awards Ltd | Arts & recreation | 2020 |
| Gospodaru Ltd | Construction | 2017 |
| Gosport Wings Garden Ltd | Hospitality | 2020 |
| Gotham Newco 3 Limited | Hospitality | 2019 |
| Gott Group Ltd | Construction | 2016 |
| Gottes Gnade Limited | Transport & logistics | 2024 |
| Gourmet Crew Ltd | Hospitality | 2025 |
| Gourmet Curries Ltd | Hospitality | 2025 |
| Gourmet HUT Ltd | Hospitality | 2014 |
| Gourmet Junction Ltd | Hospitality | 2023 |
| Goverla Construction Ltd | Construction | 2020 |
| GP 365 Technometal Ltd | Construction | 2015 |
| GP Health Hub Limited | Health & social care | 2024 |
| GP Luton Ltd | Professional & scientific | 2026 |
| GP2AUS UK Ltd | Health & social care | 2020 |
| GPL Productions Ltd | Information & communication | 2024 |
| Gprokit Ltd | Wholesale & retail | 2020 |
| GPS Consultancy Services Limited | Administrative & support | 2023 |
| GPS Investment Group Ltd | Real estate | 2025 |
| GPT Autosolutions Ltd | Wholesale & retail | 2023 |
| GR4FT Ltd | Transport & logistics | 2024 |
| GR8 Taste Ltd | Hospitality | 2024 |
| Grab Airport Taxis Ltd | Transport & logistics | 2023 |
| Grace Financials London Limited | Professional & scientific | 2015 |
| Grace Global Consult Limited | Hospitality | 2025 |
| Grace Space Limited | Real estate | 2018 |
| Grace Truck and BUS Limited | Wholesale & retail | 2008 |
| Gracefulglow Ltd | Wholesale & retail | 2025 |
| Gracepath Care Limited | Administrative & support | 2025 |
| Gradiental Limited | Information & communication | 2015 |
| GRADUADS4STUDENTS Ltd | Education | 2025 |
| Graduate College of Leadership and Management Ltd | Education | 2024 |
| Graffo Communications Limited | Professional & scientific | 2019 |
| Grainger Helland Limited | Professional & scientific | 2013 |
| Gramin Bazar Super Shop Limited | Hospitality | 2019 |
| Grampian Distillers Limited | Wholesale & retail | 2018 |
| Granard Investments Ltd | Real estate | 2016 |
| Granark Health Ltd | Administrative & support | 2019 |
| Granborough Road (Management Company) Limited | Real estate | 2021 |
| Grand Catering Services Ltd | Hospitality | 2022 |
| Grand Change Ltd | Extraterritorial | 1998 |
| Grand Crescent Ltd | Hospitality | 2019 |
| Grand Designer Coatings Limited | Wholesale & retail | 2012 |
| Grand Mind Academy Ltd | Professional & scientific | 2024 |
| Grand Park Hall Ltd | Hospitality | 2022 |
| Grand Royale Banqueting Ltd | Hospitality | 2024 |
| Grand Royale Events Ltd | Administrative & support | 2025 |
| Grand Royale Services Ltd | Hospitality | 2025 |
| Grandedge Consulting and Services Ltd | Administrative & support | 2023 |
| Grandville Ltd | Real estate | 2023 |
| Grange Corner Limited | Real estate | 2014 |
| Grange Corner Three Limited | Real estate | 2021 |
| Grange Property Developments Ltd | Construction | 2014 |
| Grangemoor Limited | Administrative & support | 2004 |
| Graphene Technology Limited | Information & communication | 2009 |
| Graphic Wholesale Ltd | Extraterritorial | 1985 |
| Gravitas Cars Ltd | Administrative & support | 2008 |
| Gravity Installations Ltd | Construction | 2020 |
| Gravity Services Limited | Information & communication | 2001 |
| Graysite Solutions Ltd | Construction | 2025 |
| GRC Plumbing & Heating Limited | Construction | 2025 |
| Grease Monkey Services & Auto Diagnostics Limited | Wholesale & retail | 2025 |
| Great Autos Limited | Wholesale & retail | 2017 |
| Great Dane Resources Limited | Health & social care | 2023 |
| Great Eden Limited | Households | 2022 |