| Futara Ltd | Professional & scientific | 2013 |
| Future Campus Limited | Professional & scientific | 2021 |
| Future Hooper Ltd | Wholesale & retail | 2026 |
| Future Love Events Ltd | Education | 2017 |
| Future Proof Design Limited | Information & communication | 2011 |
| Fuzed Electrical Limited | Construction | 2021 |
| FXF Pro Limited | Wholesale & retail | 2018 |
| G F Doherty Ltd | Professional & scientific | 2013 |
| G P Fabrications Limited | Manufacturing | 2015 |
| G&S Research Ltd | Manufacturing | 2021 |
| G-Map (UK) Limited | Real estate | 1998 |
| G-Map Services Limited | Administrative & support | 2000 |
| G.F. & G. Smith Ltd | Hospitality | 2017 |
| Gadbrook Management Company Limited | Households | 1991 |
| Gadd & Sons Limited | Construction | 2024 |
| Gadgetcart Ltd | Wholesale & retail | 2025 |
| Gaffa Recruitment Ltd | Administrative & support | 2019 |
| Gaindent Ltd | Health & social care | 2015 |
| Galbat RAD Ltd | Health & social care | 2022 |
| Gallica Relocation Limited | Wholesale & retail | 2008 |
| Gallinas Point Limited | Households | 2006 |
| Game Called Chat Limited | Arts & recreation | 2026 |
| Game Changer Studios Ltd | Professional & scientific | 2024 |
| Gamingbroadband Ltd | Information & communication | 2020 |
| Gareth Yates Properties Ltd | Real estate | 2023 |
| Gargan Construction Co. Limited | Construction | 1972 |
| Gargan Property Services Limited | Construction | 2014 |
| Garibaldi Education Ltd | Education | 2023 |
| Garment Printing Ltd | Other services | 2017 |
| Garnex Ventures Ltd | Professional & scientific | 2025 |
| Garrys Auto Services Ltd | Wholesale & retail | 2019 |
| Gary IAN Hignett Limited | Transport & logistics | 2000 |
| Gary Michael Lever Ltd | Professional & scientific | 2022 |
| Gary Steel Limited | Manufacturing | 2020 |
| Gast Maison Limited | Hospitality | 2010 |
| Gatash Ltd | Information & communication | 2023 |
| Gauranga Technologies Limited | Information & communication | 2014 |
| Gaynor Black Consulting Ltd | Professional & scientific | 2007 |
| GB Dwellings Limited | Real estate | 2025 |
| Gearfast Limited | Manufacturing | 2026 |
| GEE & Mason Property Ltd | Real estate | 2019 |
| Gembs Ltd | Professional & scientific | 2024 |
| Gemini Scientific Proofreading and Transcription Services Ltd | Information & communication | 2018 |
| GEN Zeal Ltd | Other services | 2024 |
| General Builders North West Limited | Real estate | 2021 |
| Generational Holdings Limited | Real estate | 2020 |
| Generations Holdings Limited | Financial services | 2024 |
| Genmed UK Limited | Wholesale & retail | 2018 |
| GEO Site Surveys Limited | Construction | 2006 |
| Geojam International Limited | Transport & logistics | 2023 |
| George Bassett Tiling Ltd | Construction | 2026 |
| George Frank Didsbury Limited | Other services | 2020 |
| George Frank Services Limited | Other services | 2017 |
| Georgiou Holdings Limited | Financial services | 2026 |
| Geoscience Analytics Limited | Information & communication | 2021 |
| Gerritsen Group UK Limited | Administrative & support | 2017 |
| Gerritsen Rentals UK Ltd | Administrative & support | 2023 |
| GET a Visa Ltd | Administrative & support | 2018 |
| GET Cadence Solutions Ltd | Administrative & support | 2026 |
| GET Expert Opinion Ltd | Information & communication | 2017 |
| GET Known Marketing Limited | Professional & scientific | 2025 |
| Ghaf Healthcare Ltd | Wholesale & retail | 2022 |
| GI Medicheck Ltd | Health & social care | 2023 |
| Giant GAS UK Ltd | Construction | 2022 |
| Gibson Crawford Properties Limited | Real estate | 2025 |
| Gig-Solutions Global Limited | Professional & scientific | 2021 |
| Giggles Driving School Ltd | Education | 2018 |
| Gigshack Limited | Wholesale & retail | 2025 |
| Gilead Enterprise Ltd | Professional & scientific | 2018 |
| Gilsland Management Company Limited | Households | 2006 |
| Gingerhead Limited | Professional & scientific | 2016 |
| Girl Friday Business Solutions Ltd | Extraterritorial | 2024 |
| GJ Healthcare Services Ltd | Health & social care | 2018 |
| Gjwc Limited | Construction | 2014 |
| Glam & Glow by Fatimah Ltd | Other services | 2025 |
| Glass Installations Limited | Construction | 2001 |
| Glendene Associates Limited | Professional & scientific | 2002 |
| Glenn Harrop Motor Services Limited | Wholesale & retail | 2019 |
| Glenroy Ashlands Maintenance Company Limited | Households | 1986 |
| Global Coasters Ltd | Construction | 2016 |
| Global College Manchester Ltd | Education | 2025 |
| Global Convenience Store Ltd | Wholesale & retail | 2020 |
| Global Football Company Limited | Wholesale & retail | 1998 |
| Global Supply Connections Ltd | Information & communication | 2015 |
| Globaxa Ltd | Wholesale & retail | 2025 |
| Globit Solutions Ltd | Information & communication | 2024 |
| Glover Engineering Innovations Ltd | Professional & scientific | 2025 |
| Glow Face Clinic Limited | Other services | 2025 |
| Glow With Grace PMU Ltd | Other services | 2025 |
| Glowing & Growing Limited | Professional & scientific | 2022 |
| GM Chaudhary Holdings Ltd | Real estate | 2020 |
| Go Fleet NG Limited | Transport & logistics | 2021 |
| Go Hardware Ltd | Wholesale & retail | 2022 |
| Go-Gel Nails Ltd | Other services | 2010 |
| Goda Properties Ltd | Real estate | 2019 |
| Goel Real Estate Limited | Real estate | 2025 |
| Gogo SK Ltd | Wholesale & retail | 2025 |
| Golden Bowl Takeaway Limited | Hospitality | 2023 |
| Golden Key Property Holdings Ltd | Real estate | 2025 |
| Golden Lion Swinton Limited | Hospitality | 2023 |