| GH Horizon Ltd | Real estate | 2018 |
| GH Prime Properties Ltd | Real estate | 2017 |
| Ghby Investments Ltd | Real estate | 2024 |
| Ghoghnoos Ltd | Wholesale & retail | 2017 |
| Ghosh Holdings Ltd | Financial services | 2017 |
| Ghost Force Ltd | Extraterritorial | 2019 |
| Ghostforce Landscaping (Residential) Ltd | Professional & scientific | 2020 |
| GI Consulting Limited | Financial services | 2015 |
| GIA BAO Limited | Other services | 2024 |
| GIA Thanh Limited | Other services | 2023 |
| Giant Olive Studios Limited | Information & communication | 2010 |
| Giboundary Ltd | Wholesale & retail | 2020 |
| Gift a Song Ltd | Administrative & support | 2016 |
| Gigantic Security and Hospitality Ltd | Hospitality | 2025 |
| Gill & Joiner Access Ltd | Professional & scientific | 2026 |
| Gill Ford Social Care Ltd | Health & social care | 2023 |
| Gimada Ltd. | Administrative & support | 2014 |
| Gina's Montessori Limited | Education | 2021 |
| Ginty Developments Limited | Other services | 2019 |
| GIO Delivery Service Ltd | Other services | 2025 |
| Girisimciler Property Ltd | Real estate | 2025 |
| Gissa Limited | Wholesale & retail | 2023 |
| Give US a Handyman Ltd | Construction | 2014 |
| Gizem & Co Law Consultancy Limited | Professional & scientific | 2024 |
| GJ & DS Limited | Health & social care | 2025 |
| GJ Accommodation Limited | Real estate | 2022 |
| GJ Dillon Consultancy Limited | Professional & scientific | 2007 |
| Gjam Events Specialist Limited | Other services | 2016 |
| Gjbbrickwork Ltd | Construction | 2013 |
| Gjika Transport Ltd | Transport & logistics | 2023 |
| GJM Tran Limited | Other services | 2025 |
| GK Clothing Ltd | Wholesale & retail | 2011 |
| Glacial (London) Ltd | Hospitality | 2017 |
| Glacier Airlines Ltd. | Wholesale & retail | 2024 |
| Glade Food & Wine Ltd | Hospitality | 2004 |
| Gladestone Properties Ltd | Real estate | 2006 |
| Glakins Ltd | Health & social care | 2015 |
| Glakom Ltd | Professional & scientific | 2013 |
| Glam Cham Ltd | Other services | 2018 |
| Glama Ltd | Other services | 2023 |
| Glamour Homes Services Limited | Construction | 2009 |
| Glamour on SET Limited | Arts & recreation | 2025 |
| Glamsquad Crew Ltd | Arts & recreation | 2013 |
| Glamzhair&Beauty Ltd | Other services | 2025 |
| Glasgow Stud Alliance Limited | Administrative & support | 2023 |
| Glass of 64 Ltd | Administrative & support | 2006 |
| Glassora Ltd | Wholesale & retail | 2025 |
| Glastron Limited | Administrative & support | 2006 |
| GLC Artz Ltd | Arts & recreation | 2025 |
| Glendene Investments Ltd. | Real estate | 2011 |
| Gleneast (UK) Limited | Construction | 2012 |
| Gleni & T Maintenance Ltd | Construction | 2024 |
| Glenna Limited | Construction | 2004 |
| Gler Enterprises Ltd | Information & communication | 2023 |
| Glisten Detailing Limited | Wholesale & retail | 2023 |
| Glitter Nails Limited | Other services | 2022 |
| Glitz & Glam Beauty Bar Ltd | Wholesale & retail | 2020 |
| Global Academix Ltd | Education | 2025 |
| Global Care Agency Ltd | Health & social care | 2020 |
| Global Catering Limited | Wholesale & retail | 2024 |
| Global Cleaning Management Services (Gcms) Ltd | Administrative & support | 2021 |
| Global Consultants Limited | Professional & scientific | 2018 |
| Global Cover Limited | Wholesale & retail | 2011 |
| Global Derivatives Talent Limited | Administrative & support | 2025 |
| Global Detection Systems Limited | Administrative & support | 2008 |
| Global Digital Intelligence Ltd | Information & communication | 2026 |
| Global Force London Limited | Wholesale & retail | 2023 |
| Global Harmony CIC | Other services | 2026 |
| Global Health Link Ltd | Administrative & support | 2025 |
| Global Joint Ventures Ltd | Real estate | 2020 |
| Global Kingdom Initiatives Limited | Real estate | 2011 |
| Global Office London Limited | Extraterritorial | 2016 |
| Global Pots Ltd | Wholesale & retail | 2020 |
| Global Progress LP | | 2016 |
| Global Retail Agency Ltd | Wholesale & retail | 2022 |
| Global Shared Services Limited | Professional & scientific | 2025 |
| Global Storeflow Ltd | Administrative & support | 2013 |
| Global Sustainability Summit Ltd | Financial services | 2026 |
| Global Trade Direct Limited | Wholesale & retail | 2007 |
| Global Trade Mandates Ltd | Wholesale & retail | 2024 |
| Global Trading Northern Limited | Extraterritorial | 1985 |
| Global Trading U K Limited | Wholesale & retail | 1979 |
| Global Vertex Training Centre Ltd | Education | 2025 |
| Global Wave Capital Ltd | Wholesale & retail | 2020 |
| Global World Watch Ltd | Construction | 2025 |
| Globerise Group Limited | Administrative & support | 2025 |
| Globiz Services GB Ltd | Construction | 2025 |
| Globridge Ltd | Wholesale & retail | 2019 |
| Glomaps & Co Surveyors Limited | Construction | 2013 |
| Glor Consultancy Ltd | Health & social care | 2022 |
| Glory Day Care Limited | Health & social care | 2010 |
| Gloryo Property Ltd | Real estate | 2026 |
| Gloucester Walk Freehold Limited | Households | 2007 |
| Glovico Limited | Administrative & support | 2020 |
| Glow Hygiene Ltd | Wholesale & retail | 2025 |
| Glowdreamlights Ltd | Wholesale & retail | 2024 |
| GLS Consultancy Ltd | Arts & recreation | 2013 |
| GLT UK Services Ltd | Administrative & support | 2025 |
| Glynis Hazel Freeth Ltd | Extraterritorial | 2023 |
| Glynis Hazel Thorn Ltd | Extraterritorial | 2023 |