| Gazelle London Limited | Professional & scientific | 2014 |
| GB Autolocksmiths Limited | Wholesale & retail | 2018 |
| GB Construction General Builders Limited | Construction | 2014 |
| GCH Desserts Limited | Wholesale & retail | 2024 |
| Gcmm Ltd | Extraterritorial | 2014 |
| GD Building Essex Ltd | Professional & scientific | 2015 |
| Gdsholdings Ltd | Financial services | 2021 |
| Geekvault Ltd. | Wholesale & retail | 2018 |
| Gelato Italia Wholesale Limited | Wholesale & retail | 2007 |
| Gemini Windows Limited | Construction | 2014 |
| Gemini(Build Projects) Ltd | Manufacturing | 2021 |
| Gemma Hayward Limited | Other services | 2014 |
| Gemmas of Leigh Ltd | Hospitality | 2023 |
| Gems Autos Ltd | Wholesale & retail | 2021 |
| General Business Consultants Limited | Water & waste | 1991 |
| Genesys Developments Ltd | Information & communication | 2005 |
| Genius Lifestyle Limited | Wholesale & retail | 2022 |
| Gentle Trainers Ltd | Professional & scientific | 2024 |
| Gents of Belfairs Limited | Other services | 2022 |
| Genx Tech Ltd | Information & communication | 2026 |
| Genzyouth Ltd | Real estate | 2026 |
| GEO360 Limited | Education | 2021 |
| Geoff Maccormack Limited | Wholesale & retail | 2016 |
| George Martin Transport Ltd | Wholesale & retail | 2024 |
| George Smith Studio Ltd | Professional & scientific | 2023 |
| George’S Shutters & Blinds Ltd | Construction | 2022 |
| Geranium Garden Management Company Limited | Households | 2007 |
| Gerhard Mueller Limited | Professional & scientific | 2010 |
| Gesmm 5 Events Limited | Hospitality | 2021 |
| Gesmm 5 Holdings Ltd | Financial services | 2026 |
| GESMM5 Properties Limited | Real estate | 2020 |
| GET Bronzed by Stell Ltd | Other services | 2026 |
| GET Customers Fast Limited | Information & communication | 2014 |
| GET Fit for Duty Limited | Professional & scientific | 2023 |
| GFJ Business Consulting Limited | Professional & scientific | 2019 |
| Ghazifi Ltd | Wholesale & retail | 2025 |
| Gherkin Creative Ltd | Professional & scientific | 2022 |
| Ghost Autos Ltd | Wholesale & retail | 2025 |
| GHT Management Company Limited | Households | 2017 |
| Giedeaux Limited | Real estate | 2025 |
| Giffen Investments Limited | Extraterritorial | 2019 |
| Gilgil Kebab Ltd | Hospitality | 2024 |
| Gisborough Project Services Ltd | Construction | 2015 |
| Giving Hope | Other services | 2022 |
| GL Marine Ltd | Transport & logistics | 2016 |
| Glam Ready Limited | Other services | 2015 |
| Glasstronics Limited | Real estate | 2003 |
| Glen E Transport Ltd | Transport & logistics | 2025 |
| Glendale Technology Services Limited | Information & communication | 1993 |
| Glendinning Climate Solutions Ltd | Construction | 2024 |
| Glendinning Electrical Limited | Construction | 2002 |
| Glenhurst Mansions RTM Company Limited | Households | 2017 |
| GLH Vehicle Movements Ltd | Transport & logistics | 2025 |
| GLM BUL Solution Ltd | Administrative & support | 2017 |
| Global Aero Ltd | Information & communication | 2020 |
| Global AML Consulting Ltd | Information & communication | 2019 |
| Global Business Information Limited | Professional & scientific | 2014 |
| Global Cloud Kitchen Limited | Hospitality | 2024 |
| Global Performing Educational Curriculum Limited | Education | 2022 |
| Global Security and Disaster Management Limited | Professional & scientific | 2017 |
| Globalnet IT Innovations Ltd | Information & communication | 2010 |
| Gloriana Hotels Limited | Hospitality | 2012 |
| Gloster Chase Management Company Limited | Real estate | 2022 |
| GLS Management Limited | Real estate | 2019 |
| GM Northzone Limited | Professional & scientific | 2022 |
| GM Private Properties Ltd | Real estate | 2024 |
| GMC Technology Ltd | Information & communication | 2020 |
| Gnog Limited | Construction | 2025 |
| Gnomemansland Ltd | Wholesale & retail | 2005 |
| Go Ahead Tech Limited | Information & communication | 2014 |
| Go Matt Ltd | Wholesale & retail | 2025 |
| Go Motor Finance Limited | Financial services | 2018 |
| Go Smarter Ltd | Professional & scientific | 2024 |
| Goizper (UK) Limited | Manufacturing | 2014 |
| GOL2026 Ltd | Hospitality | 2026 |
| Gold LAB Ltd | Manufacturing | 2017 |
| Gold Planet Limited | Wholesale & retail | 2019 |
| Gold Standard Marketing Limited | Wholesale & retail | 2022 |
| Gold Street Laundry Limited | Other services | 2020 |
| Golden Friars KB Limited | Hospitality | 2019 |
| Golden Keys Care Agency Ltd | Administrative & support | 2014 |
| Golden Locks Limited | Other services | 2017 |
| Golden Pizza 1 Ltd | Hospitality | 2025 |
| Goldencircle Limited | Construction | 1998 |
| Golding Property Group Ltd | Hospitality | 2026 |
| Goldings Estate Agents (Thorpe Bay) Ltd | Real estate | 2019 |
| Goldthorp Fabrications Limited | Manufacturing | 2006 |
| Golf (DOT) One Limited | Arts & recreation | 2022 |
| Goliath (Intl) Ltd | Professional & scientific | 2022 |
| Goodflow Services Ltd | Health & social care | 2023 |
| Goprocess Ltd | Financial services | 2024 |
| Gordon Trading Group Ltd | Wholesale & retail | 2024 |
| Goshen Medical Ltd | Health & social care | 2024 |
| Gosling Business Services Ltd | Other services | 2019 |
| GPJ Chiro Ltd | Health & social care | 2023 |
| GPM Holdings Limited | Extraterritorial | 2008 |
| Grace & Cable Limited | Professional & scientific | 2019 |
| Grace and Comfort Companions Ltd | Health & social care | 2026 |
| Grace-Malif Ltd | Health & social care | 2013 |
| Gradehurst Management Limited | Real estate | 1991 |