| Green Apple Catering Ltd | Hospitality | 2010 |
| Green Apple Developments Ltd | Construction | 2019 |
| Green Banana Limited | Hospitality | 2014 |
| Green Brown Developments Limited | Administrative & support | 2014 |
| Green Clean (IOW) Limited | Administrative & support | 2010 |
| Green Cleaning Team Ltd | Other services | 2010 |
| Green Cleen (Wrekin) Limited | Transport & logistics | 2003 |
| Green Earth Supplies Ltd | Wholesale & retail | 2012 |
| Green Flag Films Limited | Administrative & support | 2014 |
| Green Flag Multimedia Ltd | Arts & recreation | 2025 |
| Green Inside Limited | Construction | 2008 |
| Green Isle of Wight CIC | Other services | 2023 |
| Green Jiant Limited | Administrative & support | 2020 |
| Green Key Property Ltd | Real estate | 2020 |
| Green Lane Lake (I.O.W.) Residents Association Limited | Households | 1980 |
| Green Lizard (UK) Limited | Financial services | 2017 |
| Green Meadow Food & Wine Ltd | Wholesale & retail | 2019 |
| Green Peppers Red Tomatoes Ltd | Hospitality | 2021 |
| Green Rhythm Ltd | Arts & recreation | 2024 |
| Green Sphere (NPT) Ltd | Construction | 2026 |
| Green Technology Limited | Extraterritorial | 2007 |
| Green to Go Assessing Ltd | Professional & scientific | 2025 |
| Green Top Hire Limited | Hospitality | 2023 |
| Green Top Markets Ltd | Wholesale & retail | 2022 |
| Green Top Recycling Ltd | Water & waste | 2024 |
| Green Wood Building Services Consultants Limited | Professional & scientific | 2008 |
| Green Wrld UK Limited | Wholesale & retail | 2025 |
| Greenacre Services Ltd | Other services | 2017 |
| Greenbox IT (UK) Limited | Information & communication | 2019 |
| Greencoat Ventures Trading AS Greencoat Farm Limited | Manufacturing | 2024 |
| Greener Business Expert Community Interest Company | Professional & scientific | 2024 |
| Greener Estates Limited | Other services | 2014 |
| Greener Grounds Maintenance Limited | Administrative & support | 2017 |
| Greeneski Properties Ltd | Real estate | 2021 |
| Greenfield Accomodation Management Ltd | Hospitality | 2023 |
| Greenfield Court Management Limited | Households | 1993 |
| Greenfield Patios Ltd | Construction | 2025 |
| Greenflow Electrical Limited | Construction | 2023 |
| Greenhaf Design Limited | Administrative & support | 2020 |
| Greenland Stores Limited | Wholesale & retail | 2024 |
| Greenlounge Communications and Media Limited | Information & communication | 2024 |
| Greenmeadow 32 Ltd | Wholesale & retail | 2025 |
| Greens Accountancy & Tax Services Limited | Professional & scientific | 2000 |
| Greenscope Solutions Ltd | Professional & scientific | 2022 |
| Greenshoots Properties Limited | Real estate | 2026 |
| Greentec Limited | Professional & scientific | 2019 |
| Greentop Landscapes & Design Ltd | Administrative & support | 2017 |
| Greenway Services Ltd | Other services | 2024 |
| Greenways Drive Ownership Limited | Extraterritorial | 2014 |
| Greenwood Carpenters Ltd | Construction | 2017 |
| Greenwoodblue Limited | Wholesale & retail | 2019 |
| Greg Larner Ltd | Health & social care | 2025 |
| Greg Private Hire Ltd | Transport & logistics | 2017 |
| Greneco Property Group Ltd | Real estate | 2023 |
| Greyform Ltd | Professional & scientific | 2025 |
| Greystone Consulting Group Ltd | Administrative & support | 2019 |
| Greytree House LLP | | 2014 |
| GRF Electrical Ltd | Construction | 2023 |
| Gribble Ltd | Information & communication | 2019 |
| Gribbly Bits Gaming Ltd | Manufacturing | 2025 |
| Grid Electrical Solutions Ltd | Construction | 2026 |
| Griff Electrical Ltd | Construction | 2026 |
| Griffin Commercial International Ltd | Transport & logistics | 2024 |
| Griffin Court RTM Limited | Real estate | 2010 |
| Griffin Land Agency and Consultancy Ltd | Real estate | 2018 |
| Griffiths Real Estate Limited | Real estate | 2021 |
| Griffiths Rees Limited | Real estate | 2019 |
| Griffiths Stiles Developments Limited | Professional & scientific | 2002 |
| Grill and Grill Ltd | Hospitality | 2018 |
| GRILL2TILL Ltd | Wholesale & retail | 2022 |
| Grizzly Group Ltd | Information & communication | 2014 |
| Grooves Golf Ltd | Education | 2022 |
| Ground Control Coffee Ltd | Hospitality | 2018 |
| Groundhogs Ltd | Construction | 2021 |
| Groundsell Contracting Limited | Administrative & support | 2007 |
| Grove Gardens Church Aston Management Limited | Households | 2023 |
| Grove Property & Lettings Ltd | Real estate | 2022 |
| Grovebuild Limited | Real estate | 1999 |
| Grovesnor Furniture Limited | Wholesale & retail | 2011 |
| Grow IT in the Cloud Limited | Information & communication | 2019 |
| Grow Therapeutic Coaching Ltd | Education | 2021 |
| Growsync Projects Ltd | Professional & scientific | 2026 |
| GRS Electrical Distributors Limited | Wholesale & retail | 2018 |
| Gruber Carpentry Limited | Manufacturing | 2019 |
| Grumpy Productions Ltd | Arts & recreation | 2026 |
| GRW Media Limited | Information & communication | 2010 |
| Grwp Resilience CBC | Education | 2021 |
| GS Jones Limited | Information & communication | 2011 |
| GSA Exploits Ltd | Transport & logistics | 2025 |
| GSC Energy Ltd | Construction | 2024 |
| GSP Heights Ltd | Administrative & support | 2022 |
| GSP Props Ltd | Real estate | 2026 |
| GT Combat Ltd | Arts & recreation | 2024 |
| GT Garden Services Ltd | Administrative & support | 2024 |
| GT01 Promotions Ltd | Arts & recreation | 2022 |
| GT2 Promotions Ltd | Arts & recreation | 2021 |
| GT320 Welding Ltd | Construction | 2025 |
| GTA Enterprise Ltd | Wholesale & retail | 2026 |
| Gtek Electrical Services Ltd | Construction | 2020 |
| GTW Developments Group Ltd | Manufacturing | 1997 |