| Future Digital Rentals Ltd | Administrative & support | 2026 |
| Future Digital Services Ltd | Manufacturing | 2023 |
| Future Digital Systems Ltd | Administrative & support | 2009 |
| Future Generation Recycling Limited | Wholesale & retail | 2025 |
| Future Vending Ltd | Wholesale & retail | 2025 |
| Fxpenguins Ltd | Wholesale & retail | 2020 |
| FZ Fast Limited | Construction | 2023 |
| G & B Logistics (Bucks) Limited | Transport & logistics | 2010 |
| G & C Wastepaper Company Limited | Water & waste | 1996 |
| G & D Sports Ltd | Arts & recreation | 2017 |
| G & F Salads Limited | Agriculture & fishing | 2011 |
| G & M Salads Ltd | Agriculture & fishing | 2011 |
| G Auty Car Repairs Limited | Wholesale & retail | 2010 |
| G C Investments (Holdings) Limited | Real estate | 2021 |
| G M Glazing Limited | Other services | 2013 |
| G MAN Investments Limited | Financial services | 2022 |
| G P Cots Limited | Professional & scientific | 2006 |
| G&H Steel Limited | Manufacturing | 2021 |
| G-Newg Limited | Administrative & support | 2021 |
| G20 GAS Training & Assessment Ltd | Education | 2015 |
| GA Roofing and Facades Ltd. | Construction | 2019 |
| Gagea Construct Limited | Construction | 2024 |
| Gainsborough Court (Four) Management Company Limited | Households | 1991 |
| Gainsborough Court (SIX) Management Company Limited | Households | 1993 |
| Gainsborough Court (Three) Management Company Limited | Households | 1990 |
| Gainsborough Court (Two) Management Company Limited | Households | 1990 |
| Galizia Limited | Real estate | 2020 |
| Gallagher Consulting Ltd | Professional & scientific | 2025 |
| Gallagher Gray Ltd | Professional & scientific | 2023 |
| Garbanzo Foods Ltd | Manufacturing | 2022 |
| Garratt Way (Thorne) Management Company Limited | Households | 2017 |
| Garston Lane Property (Management) Limited | Households | 1968 |
| Gary Cannon Consulting Limited | Professional & scientific | 2019 |
| Gary Cooke Carpentry Limited | Construction | 2014 |
| Gary Nicholls Imaginarium Limited | Arts & recreation | 2017 |
| Gary Spicer Limited | Professional & scientific | 2000 |
| Gary Wright Associates Ltd | Information & communication | 2012 |
| GAS Heating & Plumbing (GHP) Services Ltd | Construction | 2016 |
| Gasco Group Ltd | Construction | 2019 |
| Gavioli Ltd | Manufacturing | 2019 |
| GAW Property Services Ltd | Real estate | 2024 |
| GB Construction (Herts) Ltd | Construction | 2012 |
| GB Fleet Maintenance Limited | Wholesale & retail | 2010 |
| GBC Utilities Ltd | Agriculture & fishing | 2019 |
| GBE4 Ltd | Construction | 2022 |
| GD Creative Limited | Professional & scientific | 2020 |
| GD Europe Ltd | Wholesale & retail | 2015 |
| GDC Corporate Holdings Limited | Financial services | 2019 |
| GDM Rentals Limited | Real estate | 2024 |
| GEM Print Ltd | Manufacturing | 2016 |
| GEM TG Construction Ltd | Construction | 2021 |
| Gemma Cooper Literary Ltd | Information & communication | 2024 |
| Generating Healthcare Limited | Health & social care | 2014 |
| Genesis Residential Home (Spalding) Limited | Health & social care | 2020 |
| Genesis Residential Homes Ltd | Health & social care | 2001 |
| Genforce Power Ltd | Manufacturing | 2026 |
| Gentleways Ltd | Wholesale & retail | 2026 |
| George Road (Erdington) Management Company NO. 2 Limited | Households | 2010 |
| George Road (Erdington) Management Company NO.1 Limited | Households | 2010 |
| Gera Traders Limited | Information & communication | 2017 |
| GET SET 4 Education Ltd | Education | 2017 |
| Gevaudan Reid Associates Limited | Administrative & support | 2017 |
| GF Clarke Property Limited | Real estate | 2025 |
| GFE Bondi Investments Ltd | Real estate | 2023 |
| GG Russo Limited | Professional & scientific | 2024 |
| GGM Real Estate Limited | Real estate | 2022 |
| GIA Enterprise Ltd | Wholesale & retail | 2026 |
| Gifts and Greetings Review Limited | Professional & scientific | 2011 |
| Gilden Park (Old Harlow) Resident Management Company Limited | Households | 2018 |
| Gillingham Meadows Management Company Limited | Households | 2024 |
| Ginger Dog Comms Limited | Professional & scientific | 2016 |
| Gino's Coffee House Ltd | Hospitality | 2020 |
| Giordano Partners (UK) Ltd. | Real estate | 2014 |
| Giordano Properties Limited | Real estate | 2019 |
| Giordano Silva Limited | Real estate | 2025 |
| GJ Locksmiths Ltd | Wholesale & retail | 2020 |
| GJS Flooring Limited | Construction | 2005 |
| GK Pipework Ltd | Construction | 2008 |
| GL Kitchens Ltd | Manufacturing | 2014 |
| Gladstone Leigh Management Company Limited | Households | 2013 |
| Glaze Facade Management Limited | Professional & scientific | 2022 |
| Glazesafe Limited | Construction | 2005 |
| Glebelands Gate Management Company Limited | Households | 2003 |
| GLF Salads Ltd | Agriculture & fishing | 2024 |
| GLG Advisory Ltd | Administrative & support | 2022 |
| Global Distribution Supplies Limited | Wholesale & retail | 2022 |
| Global Reach Sourcing Limited | Wholesale & retail | 2025 |
| Globalgraniteuk Ltd | Other services | 2016 |
| Globe-Trotter Group Limited | Wholesale & retail | 2004 |
| Globe-Trotter Suit Case Co.Limited | Manufacturing | 1959 |
| Glohus Cleaning Limited | Administrative & support | 2025 |
| Glossem Limited | Information & communication | 2018 |
| GM 10 Consultancy Ltd | Professional & scientific | 2018 |
| GM Food and Winesmakers Limited | Hospitality | 2016 |
| GM Salads Limited | Agriculture & fishing | 2023 |
| Gmed Plus Limited | Health & social care | 2011 |
| GMS Delivery Services Ltd | Transport & logistics | 2017 |
| GN Espace Galley Solutions Limited | Manufacturing | 2008 |
| GN Espace Ltd | Manufacturing | 2011 |
| GNS Bidco Limited | Professional & scientific | 2025 |