| GH Consulting Services Ltd | Information & communication | 2021 |
| Ghayati Property Ltd | Real estate | 2020 |
| Ghfhealth Limited | Arts & recreation | 2024 |
| Ghost Bikes Limited | Wholesale & retail | 2026 |
| Ghostfood Ventures a LLP | | 2022 |
| Ghostfood Ventures II LLP | | 2021 |
| Ghostfood Ventures LLP | | 2021 |
| Gi.Go. Events Ltd | Administrative & support | 2024 |
| Giano Capital SPV VII LP | | 2025 |
| Giano Capital SPV Viii LP | | 2025 |
| Giano SPV I LLP | | 2021 |
| Gibbard and Pate Essentials Ltd | Wholesale & retail | 2025 |
| Gibbard Limited | Construction | 2011 |
| Gifticuffs Ltd | Wholesale & retail | 2018 |
| Giftwrap UK Limited | Wholesale & retail | 2008 |
| GIG Consulting Limited | Professional & scientific | 2010 |
| Gilberts Limited | Extraterritorial | 1989 |
| Giles Middleton Advisory Ltd | Information & communication | 2025 |
| Gillys Plasterworks Ltd | Construction | 2014 |
| Gilmore Group Limited | Professional & scientific | 2017 |
| Ginspiration Ltd | Manufacturing | 2025 |
| Give Back Boxing CIC | Arts & recreation | 2025 |
| GJ MED Limited | Health & social care | 2025 |
| GJB Services (UK) Limited | Construction | 2013 |
| GJL Techproductions Ltd | Arts & recreation | 2021 |
| GJW Creative Ltd | Professional & scientific | 2011 |
| GK Icon Academy Limited | Professional & scientific | 2023 |
| GK Icon Camps UK Limited | Arts & recreation | 2023 |
| GK Icon Elite Limited | Professional & scientific | 2009 |
| GK Icon International Events Limited | Arts & recreation | 2023 |
| GKP Consultancy Limited | Administrative & support | 2016 |
| Gkpi Limited | Financial services | 2015 |
| Glacierr Ltd | Information & communication | 2026 |
| Glacio Limited | Manufacturing | 2024 |
| Glafka Limited | Information & communication | 2013 |
| Glannleam Limited | Real estate | 2018 |
| Glass Box Thinking Ltd | Administrative & support | 2009 |
| Glass Services (ST Albans) Limited | Construction | 2003 |
| Glassman & Company Limited | Professional & scientific | 1998 |
| Glavina Consultancy Limited | Professional & scientific | 2018 |
| Gleann Dubhlinn Hydro Limited | Energy | 2016 |
| Glek Consults Ltd | Health & social care | 2023 |
| Glen Rovers Hurling & Football Club Ltd | Arts & recreation | 2017 |
| Glenferrie Limited | Hospitality | 2016 |
| Glenwood Trust Limited | Real estate | 1943 |
| GLM Academy Limited | Education | 2024 |
| GLM Lashes Ltd | Other services | 2024 |
| Global Cargo Travels Limited | Transport & logistics | 2025 |
| Global Creation Technology (UK) Co., Ltd. | Manufacturing | 2015 |
| Global Data Insights Limited | Other services | 2017 |
| Global Domestic Appliances Limited | Wholesale & retail | 1999 |
| Global Elite Alliance Ltd | Wholesale & retail | 2015 |
| Global English Theatre Ltd | Arts & recreation | 2015 |
| Global Mhsw Boutique Ltd | Transport & logistics | 2013 |
| Global Playmakers Ltd | Professional & scientific | 2023 |
| Glodan Ltd | Manufacturing | 2025 |
| Glosoft Ventures Limited | Information & communication | 2008 |
| Gloss Black Projects Limited | Professional & scientific | 2019 |
| Glotech Franchising Ltd | Manufacturing | 2018 |
| GLP Properties Limited | Real estate | 1999 |
| GLR Property Management Ltd | Real estate | 2019 |
| Glyn Clarke Ltd | Professional & scientific | 2023 |
| GM Reward Services Ltd | Administrative & support | 2024 |
| GMC Film & TV Construction Ltd | Administrative & support | 2022 |
| Gmccd Ltd | Professional & scientific | 2017 |
| GMG London Steels Company Ltd | Construction | 2018 |
| GMR Homes Limited | Real estate | 2022 |
| GMS Creative Agency Ltd | Information & communication | 2023 |
| GMS Suite Ltd | Information & communication | 2025 |
| GMT Comms Ltd | Professional & scientific | 2026 |
| GMT Management Services Limited | Professional & scientific | 2007 |
| Gmti Ltd | Information & communication | 2018 |
| GNJ Group Ltd | Manufacturing | 2018 |
| Gnpp Ltd. | Construction | 2017 |
| GNR Solicitors Ltd | Professional & scientific | 2022 |
| Go Fast Turn Left Ltd | Information & communication | 2022 |
| Go Forth Consults Ltd | Information & communication | 2025 |
| Go Walkies Labs Ltd | Information & communication | 2021 |
| Gobion Properties Ltd | Real estate | 2025 |
| Goblin Entertainments Limited | Arts & recreation | 2015 |
| Gocontract Limited | Information & communication | 2021 |
| God's Garden Designs Ltd | Extraterritorial | 2014 |
| GOF 1 LLP | | 2021 |
| GOK Holding Ltd | Financial services | 2023 |
| Golb Goalkeeping Limited | Arts & recreation | 2023 |
| Gold Line Taxis Limited | Transport & logistics | 1999 |
| Gold Park Properties Limited | Real estate | 1988 |
| Goldbrooks AZ Ltd | Transport & logistics | 2020 |
| Goldbrooks CX Ltd | Real estate | 2022 |
| Goldbrooks Ltd | Health & social care | 2007 |
| Golden Peak Properties Ltd | Real estate | 2023 |
| Golden R Hospitality Limited | Hospitality | 2026 |
| Golden Sky Properties Limited | Real estate | 2026 |
| Goldentravelmarketing Ltd | Other services | 2018 |
| Golding Group Limited | Administrative & support | 2012 |
| Goldridge Properties Limited | Real estate | 2012 |
| Goldstone Consult Ltd | Wholesale & retail | 2024 |
| Golf Consulting Limited | Professional & scientific | 2023 |
| Golfa Labs Ltd | Information & communication | 2026 |
| Gondorff Entertainment Ltd. | Information & communication | 2002 |