| Grelixir Ltd | Information & communication | 2025 |
| Grenville Engineering (Stoke-On-Trent) Limited | Manufacturing | 1984 |
| Grey Matta Limited | Professional & scientific | 2004 |
| Grey Oak Properties Ltd | Real estate | 2019 |
| Grey Spruce Properties Ltd | Real estate | 2023 |
| Greysense Limited | Professional & scientific | 2025 |
| Greysense Property Management Limited | Households | 2026 |
| Greystones Advisory Ltd | Professional & scientific | 2024 |
| Grgasha Store Ltd | Wholesale & retail | 2025 |
| Grid Electric Limited | Manufacturing | 2021 |
| Grid SET Construction Limited | Construction | 2013 |
| Griffin and Gray Limited | Hospitality | 2022 |
| Grig's Transport Ltd | Transport & logistics | 2021 |
| Grigofam Ltd | Transport & logistics | 2021 |
| Grillaz ST1 Ltd | Hospitality | 2015 |
| Grindco 267 Limited | Financial services | 1999 |
| Grindco 464 Limited | Manufacturing | 2004 |
| Grindco 571 Limited | Arts & recreation | 2010 |
| Grindeys Trustees Limited | Professional & scientific | 2000 |
| Grindley Developments Stoke Ltd | Construction | 2023 |
| Grinx Ltd | Construction | 2016 |
| Gritstone-Cycles Ltd | Wholesale & retail | 2022 |
| Grocer's Brokers Limited | Manufacturing | 1984 |
| Grosvenor Plumbing Limited | Construction | 2025 |
| GROUND4WORKS Ltd | Construction | 2022 |
| Groundex Ltd | Construction | 2025 |
| Groundstyle Limited | Health & social care | 2000 |
| Groundstyle Properties Limited | Extraterritorial | 2015 |
| Group One Capital Holdings Ltd | Financial services | 2024 |
| Group One Ventures Ltd | Real estate | 2026 |
| Group Two Capital Holdings Ltd | Financial services | 2025 |
| Grove Assessment Services Ltd | Education | 2014 |
| Grove Garage Management Company Limited | Households | 2017 |
| Groves Theatre Ltd | Arts & recreation | 2024 |
| Grow Amigo Ltd | Manufacturing | 2023 |
| Growsober Ltd | Information & communication | 2025 |
| Growth Developments Ltd | Construction | 2023 |
| Growth Potential Ltd | Professional & scientific | 2021 |
| Grub! Street Food Ltd | Hospitality | 2019 |
| Grumpy's HQ Limited | Hospitality | 2020 |
| Grupa W1 Ltd | Transport & logistics | 2018 |
| Grübchen Ltd | Professional & scientific | 2017 |
| GS Architectural Design Limited | Professional & scientific | 2016 |
| GS Business Ltd | Wholesale & retail | 2018 |
| GS Food(Uk) Ltd | Hospitality | 2019 |
| GSB Inspections Ltd | Professional & scientific | 2018 |
| GSG Financial Services Limited | Professional & scientific | 2019 |
| GSJ Holdings Ltd | Real estate | 2020 |
| Gskb International Ltd | Information & communication | 2020 |
| GSP Estates Ltd | Real estate | 2020 |
| GSW Solutions Limited | Administrative & support | 2014 |
| GT Accountants Limited | Professional & scientific | 2005 |
| GT Director Services Limited | Administrative & support | 2018 |
| GT E-Racing Ltd | Wholesale & retail | 2026 |
| GT Motorsport Stoke Ltd | Wholesale & retail | 2023 |
| GTA75 Limited | Construction | 2023 |
| GTL International Ltd | Transport & logistics | 2019 |
| GTL Transmissions Limited | Manufacturing | 2011 |
| GTP Trades Ltd | Wholesale & retail | 2023 |
| Guangmai Technology (HK) Co., Limited | Information & communication | 2025 |
| Guarantee Cutz Ltd | Wholesale & retail | 2024 |
| Guardian Care Ltd | Health & social care | 2025 |
| Guardian Roof Designs Ltd | Construction | 2019 |
| Guardian Touch Ltd | Health & social care | 2023 |
| Guardon Security Limited | Administrative & support | 2023 |
| Guest Brothers Ltd | Construction | 2008 |
| Guest Landscaping Ltd | Administrative & support | 2023 |
| Gumustepe Ltd | Wholesale & retail | 2023 |
| GUR Dynasty Global Enterprises Ltd | Wholesale & retail | 2024 |
| GUS Mechanical Services Limited | Construction | 2017 |
| GVR Products Limited | Wholesale & retail | 2001 |
| GVS Sport Ltd | Arts & recreation | 2025 |
| GW Health Limited | Health & social care | 2019 |
| GWC Props Limited | Real estate | 2025 |
| GWM Plumbing and Maintenance Ltd | Construction | 2025 |
| GWS Heating & Plumbing Limited | Construction | 2012 |
| Gym Tech Ltd | Other services | 2019 |
| Gymclean UK Limited | Administrative & support | 2026 |
| Gymletics Limited | Other services | 2018 |
| Gymmagnetuk Limited | Wholesale & retail | 2025 |
| H & L Builders Ltd | Construction | 2026 |
| H & S Commercial Finance & Mortgages Limited | Financial services | 2024 |
| H & S Construction (SOT) Limited | Construction | 2010 |
| H Brown & SON Group Limited | Financial services | 2014 |
| H Davies Caravan Park Limited | Hospitality | 2014 |
| H Executive Ltd | Transport & logistics | 2024 |
| H H Fresh Food Ltd | Wholesale & retail | 2026 |
| H J Gardens Limited | Agriculture & fishing | 2013 |
| H M H Travel Agency Ltd | Administrative & support | 2020 |
| H Property Holdings Ltd | Real estate | 2023 |
| H R Investments Limited | Financial services | 2009 |
| H S Driving School Ltd | Education | 2024 |
| H S P C Ltd | Other services | 2006 |
| H Sands Eco Ltd | Construction | 2019 |
| H&A Collections Ltd | Wholesale & retail | 2025 |
| H&A Property Group Ltd | Households | 2025 |
| H&A Property Investment Ltd | Construction | 2024 |
| H&B Brickwork Ltd | Construction | 2026 |
| H&B Services Limited | Administrative & support | 2025 |
| H&E Property Investments Ltd | Real estate | 2018 |