| Ghost Metamaterials Limited | Manufacturing | 2024 |
| Ghulam Mustafa Traders Ltd | Wholesale & retail | 2024 |
| Gibbs Tenopt Ltd | Extraterritorial | 2018 |
| Gifford Groom’S Ltd | Other services | 2025 |
| Gifted Jewellery Ltd | Wholesale & retail | 2010 |
| Gigajam Music School Limited | Information & communication | 2011 |
| Giles Foreman Ltd | Education | 2011 |
| Gingle IT Ltd | Information & communication | 2023 |
| Girik Apartments Ltd | Real estate | 2023 |
| Girik Consultancy Ltd | Information & communication | 2020 |
| Girik Estates Ltd | Real estate | 2021 |
| Girik Homes Ltd | Real estate | 2024 |
| Girik Hotels Ltd | Real estate | 2025 |
| Girik Lettings Ltd | Real estate | 2023 |
| Girik Property Ltd | Construction | 2017 |
| Girik Residences Ltd | Real estate | 2021 |
| Girik Software Ltd | Real estate | 2009 |
| Girik Stays Ltd | Hospitality | 2023 |
| Girls That Jeff CIC | Arts & recreation | 2021 |
| Gizmoz N Gadgetz Ltd | Wholesale & retail | 2013 |
| GJC Brentford UK Limited | Hospitality | 2018 |
| GK Group of Retail Ltd | Wholesale & retail | 2024 |
| GK Intelligence Limited | Information & communication | 2026 |
| GKL Ventures Ltd | Hospitality | 2022 |
| GKQ Ventures Ltd | Hospitality | 2023 |
| GKW Ventures Ltd | Hospitality | 2023 |
| Gladman Medical Ltd | Professional & scientific | 2026 |
| Glamour Value Ltd | Information & communication | 2026 |
| Glasdir Management Company Limited | Extraterritorial | 2008 |
| Glass Doctors Limited | Wholesale & retail | 2000 |
| GLB Lighting Ltd | Arts & recreation | 2021 |
| Glendale Property Holdings Limited | Real estate | 2020 |
| Glendarrion Ltd | Real estate | 2014 |
| Glenn Bolton Holdings Ltd | Professional & scientific | 2018 |
| Glenn Pond Ltd | Construction | 2024 |
| Glitter & Petal Crafts Ltd | Wholesale & retail | 2021 |
| Global Design and Developments Ltd | Construction | 2021 |
| Global Digital City Limited | Administrative & support | 2020 |
| Global Dream Travel Ltd | Administrative & support | 2020 |
| Global Enterprise Consulting Ltd | Information & communication | 2016 |
| Global Funk FAM LLP | | 2025 |
| Global Highway Limited | Construction | 2011 |
| Global Link Foods Ltd | Wholesale & retail | 2025 |
| Global Maritime Solutions Ltd | Other services | 2024 |
| Global Radiology and Medical Solutions Limited | Health & social care | 2020 |
| Global Sign Installations Limited | Administrative & support | 2003 |
| Globalizeme UK Limited | Information & communication | 2009 |
| Globaltech Recruit Limited | Administrative & support | 2022 |
| Globe Media Production Ltd. | Information & communication | 2017 |
| Globe Road Limited | Extraterritorial | 2004 |
| Globetrotter Tele-Fiber Services Ltd | Manufacturing | 2022 |
| Glow Tanning Bucks Ltd | Other services | 2026 |
| GLS Technical Services Limited | Manufacturing | 2011 |
| GLT Aylesbury Ltd | Wholesale & retail | 2026 |
| GLT Electrical Wholesalers Ltd | Wholesale & retail | 2020 |
| GLT High Wycombe Ltd | Wholesale & retail | 2021 |
| GLT Oxford Ltd | Wholesale & retail | 2024 |
| Glyn Cannon Limited | Arts & recreation | 2003 |
| Glynn Homes Ltd | Construction | 2014 |
| Glynswood Research Limited | Professional & scientific | 2024 |
| GM Accounting Partners Ltd | Professional & scientific | 2025 |
| GM Motor Group Ltd | Wholesale & retail | 2025 |
| GMA Landscapes Ltd | Administrative & support | 2018 |
| Gmaj Solutions Ltd. | Other services | 2016 |
| GML Contractor Services Limited | Construction | 2026 |
| GNL Entertainment Ltd | Administrative & support | 2017 |
| Gnzy Ltd | Professional & scientific | 2021 |
| Go Go Homes Ltd | Real estate | 2020 |
| Go Go Security Ltd | Administrative & support | 2024 |
| Go Mobile Limited | Wholesale & retail | 2020 |
| Go Mobile Retail Limited | Real estate | 2001 |
| Go Private Health Care Ltd | Other services | 2019 |
| Go.Fly Services Ltd | Wholesale & retail | 2023 |
| Godesburg Management Limited | Wholesale & retail | 2023 |
| Gods of WAR Limited | Arts & recreation | 2022 |
| Godstowe Developments Limited | Extraterritorial | 1994 |
| Godwin Barr Properties Limited | Real estate | 2021 |
| Godwin Property Partners Limited | Real estate | 2020 |
| Gokelstone Limited | Professional & scientific | 2001 |
| Gold Circle Healthcare Ltd | Public administration | 2022 |
| Gold Hill Developments Limited | Financial services | 2021 |
| Gold Ride Ltd | Transport & logistics | 2025 |
| Golden A&J Investments Ltd | Real estate | 2017 |
| Golden Acorn Wellness Limited | Health & social care | 2016 |
| Golden Eagle Ventures Ltd | Financial services | 2024 |
| Golden Fruit Limited | Wholesale & retail | 2006 |
| Golden Gate UK Properties Ltd | Real estate | 2024 |
| Golden Glow Decor Limited | Construction | 2025 |
| Golden Green-Eight Limited | Health & social care | 2017 |
| Golden Grove Estate Limited | Professional & scientific | 2006 |
| Golden Harvesters (UK) Limited | Manufacturing | 2014 |
| Golden Hexagon Ltd | Real estate | 2017 |
| Golden Lotus Property Investments Limited | Real estate | 2025 |
| Golden Nature Ltd | Wholesale & retail | 2025 |
| Golden Oak Services Limited | Health & social care | 2025 |
| Golden Paws Dog Groomer Limited | Other services | 2024 |
| Golden Raven Limited | Real estate | 2022 |
| Goldencube Solutions Limited | Information & communication | 2024 |
| Goldfish Records Limited | Information & communication | 2015 |
| Goldglobal Oiltech Ltd. | Information & communication | 2015 |