| Forrester Clarke Gardens & Landscapes Limited | Administrative & support | 2024 |
| Fortec Holdings Limited | Professional & scientific | 2007 |
| Fortec Motorsport Limited | Arts & recreation | 1996 |
| Fortec Motorsports Limited | Arts & recreation | 2007 |
| Forti's Tiling Ltd | Construction | 2019 |
| Fortis Bookkeeping and Accountancy Ltd. | Professional & scientific | 2019 |
| Fortuneis Limited | Professional & scientific | 2025 |
| Foster Commercial Services Limited | Professional & scientific | 2019 |
| Fouryourhouse and Interiors Ltd | Construction | 2020 |
| Fowler's Martial Arts Academy Ltd | Education | 2023 |
| FOX Marketing Limited | Professional & scientific | 2018 |
| Foxhill Joinery Limited | Manufacturing | 2022 |
| Fragilexpress Limited | Transport & logistics | 2023 |
| Fraktal Consulting Ltd | Information & communication | 2025 |
| Frame and Print Limited | Wholesale & retail | 2020 |
| Fraser James Furniture Limited | Manufacturing | 2004 |
| Freedom Clinical Psychology Ltd | Health & social care | 2026 |
| Fresh Eyes Communications & HR Limited | Administrative & support | 2015 |
| Frog Lane Renovation Ltd | Real estate | 2026 |
| From the Blue Desk Limited | Manufacturing | 2020 |
| Frost Plumbing & Heating Contractors Ltd | Construction | 2019 |
| Ft&C Solutions Limited | Professional & scientific | 2023 |
| Funnel Operations Ltd | Administrative & support | 2021 |
| Funyears International Group Co., Ltd | Professional & scientific | 2020 |
| G & H Electrical (Rugby) Limited | Construction | 2011 |
| G K Kingsley Limited | Information & communication | 2014 |
| G Mcintyre Plant Hire Ltd | Administrative & support | 2024 |
| G O'Sullivan (Plant Hire) Ltd | Construction | 2004 |
| G Z Enterprises Group Ltd | Wholesale & retail | 2019 |
| G&A Housing Ltd | Real estate | 2021 |
| G-Gpmw Ltd | Administrative & support | 2023 |
| Gafam Capital Limited | Financial services | 2014 |
| Galleksa Ltd | Wholesale & retail | 2018 |
| GAM Trans Ltd | Transport & logistics | 2022 |
| Garage and Tyre Solutions Ltd | Wholesale & retail | 2015 |
| Garden Water Features Limited | Administrative & support | 2012 |
| Gardiner Property Limited | Real estate | 2021 |
| Gardners Arms Premier Ltd | Wholesale & retail | 2021 |
| Gardstar Industrial Co. Limited | Extraterritorial | 2010 |
| Gary Hopkins Associates Limited | Professional & scientific | 2013 |
| Gary Lovell Ltd | Extraterritorial | 2024 |
| Gav's Fish and Chips Limited | Hospitality | 2025 |
| GB Bars Ltd | Hospitality | 2024 |
| GB Taxis (Daventry) Ltd | Transport & logistics | 2018 |
| Gbgp Ltd | Wholesale & retail | 2025 |
| Gema Developments Limited | Real estate | 2025 |
| Genius Bros. Limited | Information & communication | 2018 |
| Gentle Steps Children’S Care Ltd | Health & social care | 2026 |
| Genzed Limited | Real estate | 2024 |
| Genzoic Ltd | Professional & scientific | 2025 |
| Geo-Intech Limited | Construction | 2016 |
| George and Grey Limited | Financial services | 2024 |
| George Rich Ltd | Transport & logistics | 2018 |
| Gerco Limited | Wholesale & retail | 2023 |
| Germany & Atlas Ltd | Transport & logistics | 2019 |
| GET FED Coffee CIC | Education | 2022 |
| GET Hammered Limited | Hospitality | 2026 |
| GET IT on Ltd | Construction | 2021 |
| GG Express Solutions Ltd | Construction | 2023 |
| Gibbs Landscapes Ltd | Administrative & support | 2024 |
| Gift Flights Ltd | Wholesale & retail | 2017 |
| Gifttastic Ltd | Wholesale & retail | 2016 |
| Gilchrist Paving Limited | Construction | 2020 |
| Gill Properties & Estates Ltd | Real estate | 2025 |
| Givi U.K. Limited | Wholesale & retail | 1995 |
| Gleneagle Real Estate Ltd | Real estate | 2024 |
| GLM Services & Consultancy Ltd | Extraterritorial | 2024 |
| Global Mobile Holdings Limited | Financial services | 2017 |
| Global Reach Logistics Limited | Transport & logistics | 2020 |
| Global Travels and Tours Limited | Transport & logistics | 2024 |
| Global Worker United Engineering Co., Ltd | Construction | 2016 |
| Globe Training and Consultancy Ltd | Professional & scientific | 2025 |
| Glory Sky Trading Company Ltd | Professional & scientific | 2010 |
| Gloucestershire Psychology Services Ltd | Health & social care | 2024 |
| GM Evans Limited | Professional & scientific | 2026 |
| GNT Consulting Limited | Professional & scientific | 2023 |
| Gold Also Hundred Million Woods Group (International) Limited | Professional & scientific | 2008 |
| Gold Track Racing Limited | Arts & recreation | 1997 |
| Golden Gate Partnership Limited | Professional & scientific | 2010 |
| Goldengreen Technologies International Limited | Professional & scientific | 2015 |
| Golha | Arts & recreation | 2009 |
| Good World (Cardiff) Limited | Hospitality | 2023 |
| Goodness Gracious Healthy Foods Ltd | Hospitality | 2004 |
| Goodswish Limited | Households | 1988 |
| Gordano(Uk) Limited | Wholesale & retail | 2016 |
| GP Planning Ltd | Professional & scientific | 2006 |
| GP Quality Ltd | Professional & scientific | 2026 |
| Gpower (UK) Electronic Co., Limited | Manufacturing | 2020 |
| Gpstudio Limited | Professional & scientific | 2004 |
| Grace Taylor Equestrian Limited | Agriculture & fishing | 2025 |
| Grafield Construction Ltd | Construction | 2020 |
| Grafton Technical Services Limited | Financial services | 1996 |
| Grand Flow Control Co., Ltd | Wholesale & retail | 2019 |
| Grand Union Designs Limited | Manufacturing | 2006 |
| Great Central Auctions Limited | Other services | 2001 |
| Great Central Plastics (Holdings) Ltd | Financial services | 2020 |
| Great Central Railwayana Limited | Administrative & support | 2005 |
| Great Marine International Co., Limited | Professional & scientific | 2010 |
| Great Tang Trading Ltd | Professional & scientific | 2013 |
| Great Universe Trading Limited | Professional & scientific | 2024 |