| Gnlbs Education Support Ltd | Education | 2020 |
| Gnlbs Support Living Ltd | Health & social care | 2020 |
| GNO Properties Ltd | Real estate | 2017 |
| Go Green Dairy Ltd | Wholesale & retail | 2023 |
| Go Limited | Construction | 2000 |
| Go North Investment Limited | Real estate | 2019 |
| Go Pro Plumbing & Electrical Services Ltd | Construction | 2017 |
| GO2GLOBAL Education & Travel Ltd | Administrative & support | 2026 |
| Goffs Oak Business School Limited | Administrative & support | 2017 |
| Goget Parcels Ltd | Transport & logistics | 2024 |
| Golden Crest Property Holdings Ltd | Real estate | 2026 |
| Golden Curl Exhibitions Limited | Wholesale & retail | 2021 |
| Golden Hair (EU) Limited | Wholesale & retail | 2014 |
| Golden Phoenix Cheshunt Ltd | Hospitality | 2022 |
| Golden Pineapple Consulting HK Ltd | Real estate | 2024 |
| Golden Planet Properties Ltd | Real estate | 2023 |
| Golden Plum Limited | Real estate | 2018 |
| Golden Properties SPV Ltd | Real estate | 2026 |
| Golden Style Beauty & Barbershop Ltd | Other services | 2025 |
| Golden Terry Ltd | Hospitality | 2017 |
| Goldfinch Digital Infrastructure PTR Ltd | Professional & scientific | 2025 |
| Goldhawk Hvac Ltd | Construction | 2024 |
| Goldlake Building & Roofing Services Ltd | Construction | 2025 |
| Goldlake Roofing Contractor Limited | Construction | 2024 |
| Goldsky Ltd | Real estate | 2025 |
| Goldtouch (London) Limited | Real estate | 2015 |
| Golf Discount(Europe)Ltd T/A Suesshutters Ltd | Wholesale & retail | 2007 |
| Gomma & Wasp Ltd | Real estate | 2022 |
| Goodmayes Management Limited | Real estate | 2022 |
| Goods Land Ltd | Wholesale & retail | 2021 |
| Goose Golfing Ltd | Administrative & support | 2014 |
| Goose Residences Limited | Real estate | 2023 |
| Gorban Construction Limited | Construction | 2024 |
| Gordon Allen Properties Limited | Real estate | 2019 |
| Gorhan Ltd | Construction | 2024 |
| Goshen Investment Holdings Ltd | Real estate | 2021 |
| Gosia Properties Ltd | Real estate | 2025 |
| Gourmet Cakes and Bakes Limited | Manufacturing | 2026 |
| Gournay and Rogers Limited | Professional & scientific | 2011 |
| Goztas Properties Ltd | Real estate | 2023 |
| GPS Food Group (UK) Limited | Wholesale & retail | 2008 |
| GQ Experiences Limited | Transport & logistics | 2024 |
| GQ Group Holdings Limited | Financial services | 2020 |
| GQ Properties Limited | Real estate | 2004 |
| GQ Sales Limited | Transport & logistics | 2024 |
| GQ Storage - Braintree Limited | Transport & logistics | 2025 |
| GQ Storage Ltd | Transport & logistics | 2020 |
| Graa Limited | Professional & scientific | 2022 |
| Grab Your Cape Ltd | Construction | 2020 |
| Grace & Glory Ltd | Health & social care | 2026 |
| Gracifies Logistics Limited | Transport & logistics | 2021 |
| Grade One (UK) Limited | Wholesale & retail | 2003 |
| Gradica Group Limited | Construction | 2016 |
| Graftilo Consulting Ltd | Information & communication | 2022 |
| Grafton Building Consultancy Limited | Administrative & support | 2010 |
| Grand Cuisine Enterprise Ltd | Hospitality | 2024 |
| Grand Life Ltd | Wholesale & retail | 2024 |
| Grange Gardens (Freehold) Limited | Real estate | 2012 |
| Grangebrook (Cheshunt) Residents Management Company Limited | Households | 2017 |
| Graphical Fuzzball Limited | Professional & scientific | 2017 |
| Grav Property Ltd | Real estate | 2026 |
| Grayus Ltd | Administrative & support | 2007 |
| GRC Properties (Southern) Limited | Real estate | 2024 |
| Great Britain Top Team LLP | | 2019 |
| Great Gardening Services Ltd | Other services | 2022 |
| Great Moroccan Sahara Ltd | Administrative & support | 2024 |
| Great Possibilities Ltd | Construction | 2007 |
| Great Pretenders International Limited | Wholesale & retail | 2015 |
| Green & Blossom Limited | Wholesale & retail | 2021 |
| Green Capital Partners Ltd | Other services | 2013 |
| Green Leaf Property Solutions (Franchise) Limited | Real estate | 2018 |
| Green Screen Investments Ltd | Information & communication | 2021 |
| Green Teck Ltd | Construction | 2014 |
| Greenbanks Consulting Ltd | Professional & scientific | 2021 |
| Greenbanks Holdings Ltd | Professional & scientific | 2021 |
| Greenclean Limited | Administrative & support | 1978 |
| Greenflow Traffic Solutions Ltd | Construction | 2023 |
| Greenford Block 3 Management Company Limited | Real estate | 2018 |
| Greenleaf Property Marketing Limited | Real estate | 2014 |
| Greenpine Property Services Limited | Construction | 2016 |
| Greg Arrowsmith Music Limited | Arts & recreation | 2013 |
| Gregory and Stephanie Ltd | Hospitality | 2023 |
| Grey FOX Marketing Ltd. | Professional & scientific | 1997 |
| Grey Wolf Executive Travels Ltd | Transport & logistics | 2026 |
| Greyhound Express Limited | Transport & logistics | 1980 |
| Greywood Services Ltd | Professional & scientific | 2026 |
| GRG Construct Ltd | Construction | 2019 |
| Grill & Chill London Limited | Hospitality | 2014 |
| Gritty Limited | Other services | 2025 |
| GRN X Ltd | Information & communication | 2025 |
| Grosvenor (Mechanical Services) Co. Limited | Construction | 1992 |
| Ground Work Johnny Ltd | Construction | 2020 |
| Groundwork Daniel Ltd | Construction | 2019 |
| Groundwork Georgel Ltd | Construction | 2019 |
| Groves & Adams Ltd | Other services | 2025 |
| Grow With E-Com Ltd | Wholesale & retail | 2022 |
| Growbridge Limited | Wholesale & retail | 2008 |
| GRV (UK) Ltd | Construction | 2008 |
| GS Supermarket Ltd | Wholesale & retail | 2023 |
| GSE Global Investments Limited | Financial services | 2024 |