| Gladbetter Limited | Real estate | 1993 |
| Gladden Transport Ltd | Transport & logistics | 2022 |
| Gladman & Gladman Properties Limited | Real estate | 2017 |
| Gladspo Properties Ltd | Real estate | 2017 |
| Gladstone Street Ltd | Information & communication | 2015 |
| Gladwell Enterprises Ltd | Professional & scientific | 2014 |
| Glam Rituals Limited | Other services | 2023 |
| Glambox Norwich Ltd | Other services | 2019 |
| Glamdesire Spa Ltd. | Extraterritorial | 2019 |
| Glamorgan Accident Repair Centre Limited | Wholesale & retail | 2012 |
| Glamour Locks Boutique Ltd | Wholesale & retail | 2024 |
| Glamzwithzoe Ltd | Wholesale & retail | 2024 |
| Glantech Solar Ltd | Construction | 2025 |
| Glarwood Properties Ltd | Real estate | 2024 |
| Glass 4 U Limited | Professional & scientific | 2017 |
| Glass Box Limited | Construction | 2003 |
| Glass Design and Build London Ltd | Construction | 2013 |
| Glass House Dance Ltd | Arts & recreation | 2017 |
| Glass Industry Management Solutions Ltd | Professional & scientific | 2012 |
| Glass Vision UK Limited | Construction | 2012 |
| Glassact EA Ltd | Construction | 2024 |
| Glassbox Digital UK Ltd | Information & communication | 2015 |
| Glasscastle Limited | Administrative & support | 2013 |
| Glassroots Ltd | Agriculture & fishing | 2020 |
| Glatfelter Lydney, Ltd. | Manufacturing | 2006 |
| Glaucophane Ltd | Financial services | 2013 |
| Glaven Court Management Company Limited | Households | 1987 |
| Glaven Holdings Limited | Financial services | 2024 |
| Glaven Place Management Company Limited | Real estate | 2025 |
| Glaven Valley Internet and Print Limited | Information & communication | 2003 |
| Glavenhill Limited | Professional & scientific | 2017 |
| Glavenhill Strategic Land (Number 1) Limited | Professional & scientific | 2013 |
| Glavenhill Strategic Land (Number 10) Limited | Real estate | 2016 |
| Glavenhill Strategic Land (Number 11) Limited | Real estate | 2016 |
| Glavenhill Strategic Land (Number 12) Limited | Construction | 2016 |
| Glavenhill Strategic Land (Number 14) Limited | Construction | 2016 |
| Glavenhill Strategic Land (Number 15) Limited | Construction | 2017 |
| Glavenhill Strategic Land (Number 16) Limited | Construction | 2017 |
| Glavenhill Strategic Land (Number 17) Limited | Construction | 2018 |
| Glavenhill Strategic Land (Number 18) Limited | Construction | 2022 |
| Glavenhill Strategic Land (Number 19) Limited | Construction | 2022 |
| Glavenhill Strategic Land (Number 2) Limited | Professional & scientific | 2013 |
| Glavenhill Strategic Land (Number 3) Limited | Extraterritorial | 2014 |
| Glavenhill Strategic Land (Number 4) Limited | Extraterritorial | 2014 |
| Glavenhill Strategic Land (Number 5) Limited | Extraterritorial | 2015 |
| Glavenhill Strategic Land (Number 6) Limited | Extraterritorial | 2015 |
| Glavenhill Strategic Land (Number 7) Limited | Extraterritorial | 2015 |
| Glavenhill Strategic Land (Number 9) Limited | Construction | 2016 |
| Glavenview Investments Limited | Financial services | 2021 |
| Glazing Specialist Ltd | Construction | 2020 |
| GLC Events Ltd | Administrative & support | 2023 |
| GLC HR Consultancy Ltd | Administrative & support | 2026 |
| Gleba Holdings Ltd | Professional & scientific | 2023 |
| Gledhill Family Company Ltd | Financial services | 2024 |
| Glemham Underwriting Limited | Financial services | 2005 |
| Glen Lodge Bawburgh Limited | Arts & recreation | 2005 |
| Glen Matten Consultancy Ltd | Health & social care | 2014 |
| Glen Rogers Electrical Ltd | Construction | 2003 |
| Glenda Road Residents Association Limited | Administrative & support | 1968 |
| Gleniston Facilities Management Ltd | Construction | 2015 |
| Gleniston Holdings Ltd | Financial services | 2024 |
| Glenmaine Holdings Limited | Financial services | 2025 |
| Glenton Transport Services Limited | Transport & logistics | 2007 |
| Glenwood Bolts and Screws Limited | Wholesale & retail | 1998 |
| Glené Real Estate Ltd | Real estate | 2025 |
| Glide Production Ltd | Information & communication | 2017 |
| Glidelaunch Limited | Real estate | 1986 |
| Glimmer Education Ltd | Education | 2025 |
| Glistening Structures Ltd | Extraterritorial | 2022 |
| Glitz and Glam (EA) Ltd | Health & social care | 2026 |
| Glitzilla Ltd | Wholesale & retail | 2025 |
| GLK Holdings Ltd | Other services | 2021 |
| GLO Tanning & Beauty Ltd | Other services | 2024 |
| Global 100 Ltd | Real estate | 2011 |
| Global Airport & Border Systems Limited | Transport & logistics | 2023 |
| Global Battle Group Limited | Arts & recreation | 2018 |
| Global Business Works Limited | Information & communication | 2012 |
| Global Carpet Ecommerce Ltd | Wholesale & retail | 2014 |
| Global Courier Solutions Limited | Transport & logistics | 2015 |
| Global Custodian Network Limited | Information & communication | 2005 |
| Global Employer Company Limited | Administrative & support | 2015 |
| Global Execution Limited | Professional & scientific | 2014 |
| Global Guardians Facilities Management Ltd | Construction | 2018 |
| Global Guardians Management Ltd | Real estate | 2011 |
| Global Health Associates Ltd | Health & social care | 2022 |
| Global House 2020 Ltd | Construction | 2021 |
| Global Language School Ltd | Education | 2019 |
| Global Lighting Services Limited | Wholesale & retail | 2022 |
| Global Management Solutions Ltd | Financial services | 2012 |
| Global Market SC Ltd | Wholesale & retail | 2018 |
| Global Out-Tasking Ltd | Information & communication | 2018 |
| Global SIM Distribution Limited | Information & communication | 2014 |
| Global Stone (Holdings) Limited | Professional & scientific | 2013 |
| Global Trust Resourcing Limited | Administrative & support | 2025 |
| Globalise Integrations Ltd | Information & communication | 2020 |
| Globaltrust Ltd | Financial services | 2020 |
| Globe Tracker Ltd | Wholesale & retail | 2019 |
| Globed International Education and Guardianship Ltd | Education | 2025 |
| Glofav Limited | Health & social care | 2019 |
| Gloria Shine Cleaners Limited | Administrative & support | 2026 |