| Glucozen Limited | Wholesale & retail | 2014 |
| Glyn M Signalling Ltd | Professional & scientific | 2022 |
| GM Consultants & Management Limited | Professional & scientific | 2020 |
| GMA Systems Limited | Administrative & support | 2004 |
| GMM Transport Ltd | Transport & logistics | 2014 |
| GN Tyres Ltd | Manufacturing | 2022 |
| GND (Midlands) Limited | Extraterritorial | 2017 |
| Go Bullet Logistics One Limited | Transport & logistics | 2025 |
| Go Wise Storage Ltd | Transport & logistics | 2017 |
| GO4INTERIORS Ltd | Manufacturing | 2020 |
| GO4SIGNS Ltd | Construction | 2013 |
| Goddard Financial Services Ltd | Financial services | 2026 |
| Gold Class Healthcare Ltd | Administrative & support | 2022 |
| Golden Cutz Ltd | Other services | 2024 |
| Good AS Gone Limited | Water & waste | 2025 |
| Good Hope Services CIC | Education | 2021 |
| Goode Business Services Ltd | Hospitality | 2024 |
| Goode Electrical Ltd | Construction | 2024 |
| Goods Courier Services Limited | Transport & logistics | 2025 |
| Gould Alloys Ltd | Manufacturing | 1984 |
| GR8SPEC Ltd | Wholesale & retail | 2025 |
| Gracetm Ltd | Health & social care | 2021 |
| Gracino Care Ltd | Public administration | 2026 |
| Gracious Property Services Limited | Real estate | 2023 |
| Grand Flooring Ltd | Wholesale & retail | 2019 |
| Grandeur Interior Designs Ltd | Manufacturing | 2023 |
| Granted Counselling Services Ltd | Extraterritorial | 2021 |
| Granted School of Ministries Ltd | Other services | 2024 |
| Gratom Taylor Ltd | Financial services | 2022 |
| GRD Dedicated Logistics Ltd | Transport & logistics | 2024 |
| Great Barr Electrical Limited | Construction | 2014 |
| Greathandscare Ltd | Administrative & support | 2025 |
| Greatrex Taverns Ltd | Hospitality | 2021 |
| Green Base Ltd | Transport & logistics | 2026 |
| Green Button Photography Ltd. | Professional & scientific | 2015 |
| Green Development and Engineering Solutions Limited | Professional & scientific | 2021 |
| Green Powder Coaters Limited | Manufacturing | 2016 |
| Greenalltheway Limited | Wholesale & retail | 2018 |
| Greg Turley Industrial Roofing & Cladding Ltd | Construction | 2015 |
| Greybrooke (Aston) Ltd | Real estate | 2023 |
| Groundforce Midlands Ltd | Construction | 2022 |
| Groundforce Surfacing Ltd | Construction | 2026 |
| Growth Cycle Ltd | Agriculture & fishing | 2021 |
| Growth Lingo Ltd | Administrative & support | 2024 |
| GRS WM Ltd | Construction | 2021 |
| Grupla Solutions Ltd | Professional & scientific | 2026 |
| GS Dhaliwal Ltd | Transport & logistics | 2026 |
| GSJ Building Contractors Ltd | Construction | 2023 |
| GSM Interiors Limited | Construction | 2016 |
| GSP Property Management Ltd | Real estate | 2024 |
| GSP Records Ltd | Information & communication | 2025 |
| GSP West Midlands Ltd | Wholesale & retail | 2026 |
| GTB Logistics Ltd | Transport & logistics | 2026 |
| GTG Entertainment Ltd | Manufacturing | 2017 |
| Gtrucker Ltd | Transport & logistics | 2026 |
| Guest & Jones Ltd | Construction | 2019 |
| Guest Property Maintenance Ltd | Construction | 2022 |
| Gujjar Enterprise Ltd | Transport & logistics | 2020 |
| Gulhar Foods Ltd | Wholesale & retail | 2024 |
| Guru Nanak Aerospace UK Ltd | Manufacturing | 2019 |
| Gurunanak Courier Ltd | Transport & logistics | 2025 |
| Guymers Transport Limited | Transport & logistics | 2019 |
| H & E Bricklaying Contractors UK Limited | Construction | 2019 |
| H & R Limited | Manufacturing | 1958 |
| H & R Scaffolding Ltd | Construction | 2019 |
| H a Visuals Ltd | Professional & scientific | 2022 |
| H S Ghuman Ltd | Wholesale & retail | 2016 |
| H S K Transport Ltd | Transport & logistics | 2015 |
| H W Rentals Limited | Real estate | 2021 |
| H&A Distributions Ltd | Administrative & support | 2016 |
| H&H Entities Ltd | Real estate | 2025 |
| H&J Brothers Ltd | Manufacturing | 2025 |
| H.Geddes & Sons Limited | Manufacturing | 1948 |
| HA Logistics U.K. Ltd | Transport & logistics | 2026 |
| Hadar Global Ltd | Mining & quarrying | 2018 |
| Haiden Properties Ltd | Real estate | 2025 |
| Hair by AMY Clee & Co Limited | Other services | 2017 |
| Hajira Unisex Hair & Beauty Limited | Other services | 2014 |
| Halesowen Estates Limited | Real estate | 2007 |
| Halo Design and Build Solutions Limited | Construction | 2023 |
| Halo Holdings WM Ltd | Real estate | 2026 |
| Halo Legal Translation and Interpreting Ltd | Professional & scientific | 2021 |
| Hamtes Technologies Ltd | Information & communication | 2025 |
| Hanlin Packaging (UK) Ltd | Manufacturing | 2023 |
| Hans WM Ltd | Transport & logistics | 2026 |
| Happy Hours Childcare Ltd | Health & social care | 2024 |
| HAPPYHIVE4ALL Ltd | Wholesale & retail | 2023 |
| Harborne Transport Limited | Transport & logistics | 2023 |
| Harding Property WM Ltd | Construction | 2022 |
| Harmanjot Construction Limited | Administrative & support | 2025 |
| Harmony Haven Care Ltd | Administrative & support | 2025 |
| Harris & Evans Construction Ltd | Construction | 2023 |
| Harundriver Limited | Transport & logistics | 2025 |
| Hathaway Holdings Limited | Financial services | 2016 |
| Hause of Aesthetics UK Ltd | Other services | 2024 |
| Hayaa Homes Ltd | Real estate | 2022 |
| Hayer Building Services Ltd | Construction | 2022 |
| Hayers Motor Repairs Ltd | Wholesale & retail | 2021 |
| HCT 6 Limited | Real estate | 2018 |
| Healing Light 8 Ltd | Health & social care | 2023 |