| Gilfoyle Aesthetics Ltd | Health & social care | 2020 |
| Gilfoyle Company Ltd | Administrative & support | 2018 |
| Gilfoyle Hotels Ltd | Hospitality | 2004 |
| Gilks UK Limited | Construction | 2015 |
| Gill Scott Consultancy Limited | Professional & scientific | 2023 |
| Gilltec Ltd | Administrative & support | 2013 |
| Gillygate 24 Ltd | Construction | 2024 |
| Gilsenan Property Limited | Real estate | 2017 |
| Ginavo Media Ltd | Information & communication | 2009 |
| Ginger Monkey Play Limited | Hospitality | 2020 |
| Ginger Monkey Roastery Ltd | Manufacturing | 2021 |
| Ginkgo Events Limited | Administrative & support | 2017 |
| Girl NXT Door Assistance Ltd | Professional & scientific | 2024 |
| GIRLZ2GOALZ Ltd | Education | 2024 |
| Give a Little Love CIC | Wholesale & retail | 2026 |
| GJH Investco Limited | Financial services | 2025 |
| GJINOV8 Ltd | Wholesale & retail | 2021 |
| Gjmb Ltd | Arts & recreation | 2023 |
| GK Healthcare UK Limited | Administrative & support | 2021 |
| GKM Landscape Consultancy Limited | Administrative & support | 2026 |
| GL Developments Ltd | Professional & scientific | 2019 |
| Gladiator Access Ltd | Construction | 2020 |
| Gladiator Lift Systems Ltd | Manufacturing | 1995 |
| Gladstone Barns Management Company Ltd | Real estate | 2020 |
| Gladstone House Management Company Limited | Households | 2003 |
| Glamour Beauty Aesthetics Ltd | Other services | 2022 |
| Glamour Events Hire Ltd | Administrative & support | 2024 |
| Glass Deva Ltd | Wholesale & retail | 2019 |
| Glasshouse Consulting Ltd | Information & communication | 2025 |
| Glaze Style Ltd | Construction | 2024 |
| Glenacres Limited | Wholesale & retail | 2023 |
| Glenn Conroy Electrical Ltd | Energy | 2025 |
| Glenn Rock Holdings Ltd | Real estate | 2025 |
| Global Adventure Challenges Limited | Administrative & support | 2002 |
| Global Air Training Limited | Education | 1997 |
| Global Bridge Consultancy LLP | | 2025 |
| Global Career and Talent Development Limited | Other services | 2025 |
| Global Development and Trading Corporation Ltd | Professional & scientific | 2015 |
| Global Hemp Distribution Ltd | Wholesale & retail | 2018 |
| Global Human Factors Ltd | Professional & scientific | 1989 |
| Global Medical Device Audit Company Ltd | Professional & scientific | 2026 |
| Global Opex Limited | Administrative & support | 2013 |
| Global Partnership for Nutrition Initiative CIC | Professional & scientific | 2025 |
| Global Reclamation Group Limited | Real estate | 2013 |
| Global Square Ltd | Financial services | 2020 |
| Globalmediagroup Ltd | Manufacturing | 2021 |
| Globe & DE Blasio Limited | Manufacturing | 1991 |
| Glodwick 22 Ltd | Real estate | 2021 |
| Glossed Beauty Ltd | Other services | 2022 |
| Glover Safety Limited | Professional & scientific | 2024 |
| Glow by Stephanie Ltd | Other services | 2025 |
| GLR Elite Travel Ltd | Administrative & support | 2024 |
| GM Hristov Ltd | Transport & logistics | 2012 |
| Gmab Holdings Limited | Financial services | 2024 |
| GNG Technical Services Limited | Information & communication | 2001 |
| Gnome's Kitchen Ltd | Manufacturing | 2020 |
| Go Fast Management Limited | Professional & scientific | 2011 |
| Go Greenside Limited | Hospitality | 2025 |
| Go Playcation Ltd | Arts & recreation | 2020 |
| Go Wild Experiences Limited | Arts & recreation | 1982 |
| Gobboh Consultant Ltd | Professional & scientific | 2025 |
| Goble Footcare Limited | Health & social care | 2014 |
| Gofal Properties Limited | Real estate | 2023 |
| Gofile Ltd | Information & communication | 2021 |
| Gofixy Ltd | Other services | 2025 |
| Golborne Developments Limited | Real estate | 2019 |
| Gold Key Chester Ltd | Hospitality | 2020 |
| Gold STD Ltd | Real estate | 2022 |
| Golden Coffee Ltd | Hospitality | 2020 |
| Golden Dragon Tattoo Studio Limited | Other services | 2018 |
| Golden Gate Insurance Services Limited | Financial services | 2006 |
| Golden Quality Care Ltd | Health & social care | 2019 |
| Golden Spiral Technology Limited | Information & communication | 2015 |
| Goldsmith's House Management Company Limited(The) | Households | 1986 |
| Gole Group Limited | Administrative & support | 2021 |
| Gole Transport Limited | Administrative & support | 2021 |
| Golf Days Ltd | Other services | 2022 |
| Golf Depot Ltd | Wholesale & retail | 1994 |
| Golf Store House Ltd | Arts & recreation | 2010 |
| Golfinity Leisure Ltd | Arts & recreation | 2025 |
| Golfrep Ltd | Professional & scientific | 2025 |
| Golfstorehouse West LLP | | 2015 |
| Gomo Outdoor Limited | Professional & scientific | 2021 |
| Good Commerce Media Ltd | Information & communication | 2022 |
| Good Communications Ltd | Professional & scientific | 2011 |
| Good Food Scout Ltd | Wholesale & retail | 2022 |
| Good Knights Beds Ltd | Wholesale & retail | 2018 |
| Good Luck Tattoo Ltd | Arts & recreation | 2023 |
| Good Morning Madam Limited | Other services | 2012 |
| Good Noise Films Limited | Information & communication | 2026 |
| Goodall Commercial Drafting Limited | Professional & scientific | 2015 |
| Goodcall Internet Marketing Consultants Ltd | Information & communication | 2008 |
| Goodspec Ltd | Wholesale & retail | 2021 |
| Goodview Corporation Limited | Real estate | 2020 |
| Goosechase Events Limited | Other services | 2022 |
| Gora Trading Limited | Wholesale & retail | 2026 |
| Gordon & Partners Ltd | Professional & scientific | 2023 |
| Gordon Emery Limited | Real estate | 1954 |
| Gordon Rose Property Ltd | Real estate | 2022 |
| Gorilla Access Services Ltd. | Construction | 2016 |