| Griffiths Estates (2015) Limited | Professional & scientific | 2015 |
| Grifjoe Limited | Health & social care | 2019 |
| Grill 21 (Wolverhampton) Ltd | Hospitality | 2023 |
| Griswold Entertainments Limited | Arts & recreation | 2025 |
| Grizhem Ltd. | Real estate | 2023 |
| GRJ Electrical Services Ltd | Construction | 2015 |
| GRK Building Management Ltd | Real estate | 2023 |
| Grmds Limited | Transport & logistics | 2025 |
| GRN Transport Road Ltd | Transport & logistics | 2024 |
| GRO Vits Ltd | Wholesale & retail | 2022 |
| Grobits Limited | Wholesale & retail | 2025 |
| Gronets Limited | Wholesale & retail | 2020 |
| Groomen Limited | Wholesale & retail | 2020 |
| Groovico Ltd | Wholesale & retail | 2024 |
| Grosvenor Health and Social Care Limited | Financial services | 2021 |
| Grounded in Goodness Ltd | Professional & scientific | 2024 |
| Group International LLP | | 2009 |
| Group International Ltd | Wholesale & retail | 2002 |
| GROUP4 Investments Ltd | Real estate | 2023 |
| Groupe Eastgate Ltd | Wholesale & retail | 2019 |
| Grow Great Oaks Ltd | Real estate | 2025 |
| Grow Value Ltd | Administrative & support | 2021 |
| Growfasttech Ltd | Information & communication | 2025 |
| Grps Investments Ltd | Real estate | 2026 |
| GRS Lion Construction Limited | Construction | 2022 |
| Grudge Electrical Ltd | Professional & scientific | 2026 |
| GRV Build Ltd | Construction | 2026 |
| GRV Property Hub Ltd | Real estate | 2025 |
| Grzegorz Knap Ltd | Transport & logistics | 2015 |
| GS & Deol’S Ltd | Hospitality | 2024 |
| GS Creative Limited | Professional & scientific | 2024 |
| GS Endo Ltd | Health & social care | 2024 |
| GS Nkweche Trades Limited | Wholesale & retail | 2019 |
| GS Thind Carpets and Flooring Ltd | Construction | 2026 |
| GS Transport U.K Ltd | Transport & logistics | 2025 |
| GS Visions Limited | Real estate | 2022 |
| GS4 Build Ltd | Construction | 2022 |
| GSA Holding Ltd | Administrative & support | 2026 |
| GSB Property Group Ltd | Real estate | 2024 |
| GSD Construction Midlands Ltd | Construction | 2022 |
| GSD Housing Ltd | Hospitality | 2024 |
| GSD Lions Limited | Transport & logistics | 2024 |
| GSG Part Fixer Ltd | Construction | 2025 |
| Gsgcars Ltd | Wholesale & retail | 2024 |
| GSH Courier Ltd | Transport & logistics | 2026 |
| GSK Hulair Ltd | Transport & logistics | 2026 |
| GSK Liquor Stop Ltd | Wholesale & retail | 2025 |
| Gskaur Properties Ltd | Real estate | 2025 |
| GSP and Sons Ltd | Construction | 2023 |
| Gspuk Ltd | Information & communication | 2025 |
| GSR Transport Midlands Ltd | Transport & logistics | 2025 |
| GSS Courier Limited | Transport & logistics | 2021 |
| GSS Healthcare Ltd | Health & social care | 2021 |
| GSS Transport Ltd | Transport & logistics | 2016 |
| Gsstransport Services Limited | Transport & logistics | 2023 |
| GST Optical Ltd | Other services | 2022 |
| GST Smiles Limited | Health & social care | 2020 |
| GSW Star Limited | Professional & scientific | 2022 |
| GT & GB Property Ltd | Real estate | 2024 |
| GT Adventure Ltd | Arts & recreation | 2018 |
| GT Auto Spa Ltd | Construction | 2018 |
| GT Automotive WM Limited | Wholesale & retail | 2022 |
| GT Consultant Services Limited | Professional & scientific | 2024 |
| GT Manufacturing Ltd | Manufacturing | 2025 |
| GTA Resources Ltd | Administrative & support | 2014 |
| Gtms TM Limited | Construction | 2017 |
| Gtrautomobile Ltd | Wholesale & retail | 2026 |
| Guangzhou Lingcheng Trading Co., Ltd | Manufacturing | 2024 |
| Guardian Designs Limited | | 1987 |
| Guardian Support Limited | Health & social care | 2020 |
| GUARDIANS143 Ltd | Transport & logistics | 2025 |
| Guardrail Engineering Limited | Manufacturing | 2026 |
| Gudenas Roofing Limited | Construction | 2024 |
| Guest Consulting Limited | Information & communication | 2015 |
| Guide My Walk Ltd | Education | 2021 |
| Guildhall UK. Limited | Real estate | 2000 |
| Guitars Electric Limited | Wholesale & retail | 2011 |
| GUL Mart Ltd | Wholesale & retail | 2026 |
| Gulaco Ltd | Administrative & support | 2019 |
| Gulati & Sons Ltd | Real estate | 2017 |
| Gulf Star Management Limited | Administrative & support | 2003 |
| Gulfneils Ltd | Real estate | 2020 |
| Gulshair Traders Ltd | Wholesale & retail | 2026 |
| Gumbox Ltd | Information & communication | 2013 |
| Gunaya Ltd | Wholesale & retail | 2022 |
| Gunstone Farm Barns Limited | Households | 2012 |
| Gunvale Limited | Real estate | 1990 |
| Gurcharan Transport Ltd | Transport & logistics | 2026 |
| Gurd Fire & Electrical Engineering Limited | Construction | 2012 |
| Gurdam Holdings Ltd | Real estate | 2021 |
| Gurfateh Transport Ltd | Transport & logistics | 2025 |
| Gurjot&Nsandhu Ltd | Wholesale & retail | 2026 |
| Gurkha Dine Limited | Hospitality | 2024 |
| Gurmanreet Ltd | Transport & logistics | 2026 |
| Gurmeet Limited | Real estate | 2020 |
| Gurpreet SINGH2 Ltd | Construction | 2021 |
| Gurproperties (Midlands) Ltd | Real estate | 2023 |
| Gursanjh Transport Ltd | Transport & logistics | 2021 |
| Guru Accounting Limited | Professional & scientific | 2025 |
| Guru Enterprise Investments Ltd | Real estate | 2025 |