| Ferris & Culverwell Investments Ltd | Financial services | 2023 |
| FGF Machinery Limited | Wholesale & retail | 2006 |
| Financial Direction Ltd | Extraterritorial | 2000 |
| Finch and Flow Limited | Professional & scientific | 2026 |
| Find My Facility Ltd | Arts & recreation | 2019 |
| Finscribe Ltd | Arts & recreation | 2021 |
| Fire Sync Limited | Construction | 2024 |
| Fire-Bird Intl Ltd | Manufacturing | 2009 |
| Firebird Consulting Ltd | Professional & scientific | 2022 |
| Firmament Property Limited | Real estate | 2026 |
| First Class Hair Design Limited | Other services | 2010 |
| Fitfund Ltd | Information & communication | 2026 |
| Flair Solutions Ltd | Public administration | 2024 |
| Fleet Knowledge Ltd | Education | 2014 |
| Flexible Solutions (South) Limited | Administrative & support | 2004 |
| Florava Property Investments Ltd | Hospitality | 2024 |
| Flourish Beauty Studios Ltd | Other services | 2024 |
| Fluffy Blanket Ltd | Wholesale & retail | 2013 |
| Flying Fish Productions Ltd | Information & communication | 2019 |
| Foley LET Ltd | Real estate | 2025 |
| Folklore Group Limited | Information & communication | 2020 |
| Force of Nature Events Ltd | Administrative & support | 2025 |
| Ford Tanker Services Ltd | Wholesale & retail | 2010 |
| Formed Films CIC | Information & communication | 2015 |
| Fortuna Investment Management | Financial services | 2021 |
| Found Outdoors CIC | Education | 2022 |
| Foundry Point Limited | Information & communication | 2026 |
| Four Fort Ltd | Professional & scientific | 2020 |
| Foxhangers Limited | Arts & recreation | 2012 |
| Fraser Day Property Investment Ltd | Real estate | 2020 |
| Freddy's Double Deuce Bar Ltd | Hospitality | 2021 |
| French Furniture Fittings Ltd | Wholesale & retail | 2017 |
| Frensham Brook Limited | Real estate | 1991 |
| Friars Lane (Urchfont) Management Company Limited | Households | 2019 |
| Frutterford Limited | Real estate | 2024 |
| Full Spectrum Change Limited | Education | 2019 |
| Fulltone Productions Ltd | Arts & recreation | 2022 |
| Fulltone Symphony Orchestra Limited | Arts & recreation | 2025 |
| Furzey Close Management Limited | Real estate | 1987 |
| Fussell Wadman Limited | Wholesale & retail | 1973 |
| Future Bolt Limited | Administrative & support | 2019 |
| Future State Consulting Ltd | Professional & scientific | 2008 |
| G & J Moss Services Limited | Professional & scientific | 2015 |
| G. Bubb (Kitchens & Interior Decorating) Ltd | Construction | 2003 |
| G.And S.P. Sheppard Limited | Manufacturing | 2003 |
| GA Groundcare Ltd | Manufacturing | 2014 |
| Gaiger Brothers Limited | Construction | 1954 |
| Gaiger Homes (Dilton Marsh) Ltd | Construction | 2025 |
| Gaiger Homes (Durrington) Ltd | Real estate | 2024 |
| Gaiger Homes (Poulshot) Ltd | Construction | 2025 |
| Gaiger Homes (Rode) Ltd | Construction | 2025 |
| Gaiger Homes (Urchfont) Ltd | Construction | 2025 |
| Gaiger Homes Ltd | Construction | 2024 |
| Gaiger Properties Limited | Real estate | 2005 |
| Gain Control (Devizes) Limited | Construction | 2002 |
| Gala Employment and Training Ltd | Administrative & support | 2012 |
| Garden Design School Limited | Education | 2001 |
| Garden Landscape and Design Limited | Administrative & support | 2002 |
| Gardening Squad Limited | Other services | 2010 |
| Garian Supply Chain Services Ltd | Professional & scientific | 2021 |
| Garuda NU Limited | Information & communication | 2018 |
| GC Risk Consulting Limited | Professional & scientific | 2023 |
| Geffin Music Limited | Arts & recreation | 2010 |
| Gentronics Solutions Ltd | Wholesale & retail | 2019 |
| Geoff Hugo Plumbing and Heating Limited | Construction | 2023 |
| GET IT Cleared Limited | Water & waste | 2012 |
| Getica Ltd | Wholesale & retail | 2019 |
| Getting Stuff Done in Heels Limited | Wholesale & retail | 2019 |
| Gifts 4 ME (UK) Ltd | Wholesale & retail | 2020 |
| Ginghams of Devizes Limited | Manufacturing | 2003 |
| GL Global Consultancy Limited | Professional & scientific | 2024 |
| Glowing Electrical Services Ltd | Extraterritorial | 2011 |
| GNC Marlborough Ltd | Construction | 2022 |
| Go OWL Digital Ltd | Information & communication | 2026 |
| Goldilocks Ventures Limited | Construction | 2019 |
| Golfbug Services Limited | Wholesale & retail | 2019 |
| Goodbite Co. Lydeway Ltd | Wholesale & retail | 2025 |
| Goodman Group Limited | Professional & scientific | 1998 |
| Goodman Group Trustee Limited | Other services | 2023 |
| Goodman Nash Limited | Professional & scientific | 1997 |
| Gorilla Consulting Ltd | Administrative & support | 2020 |
| Grace Investment Associates Limited | Real estate | 2018 |
| Grade 1 Barber Shop Limited | Other services | 2008 |
| Grajasam Ltd | Construction | 2024 |
| Grant Scheme UK Ltd | Information & communication | 2020 |
| Great Western Surveyors Limited | Professional & scientific | 2022 |
| Greatfield Electronic Design Ltd | Professional & scientific | 2000 |
| Green Farm Events Ltd | Hospitality | 2014 |
| Green Farm Limited | Professional & scientific | 2007 |
| Green Lettings Ltd | Real estate | 2014 |
| Green Mill Capital Ltd | Professional & scientific | 2023 |
| Greenfield West Lavington Limited | Agriculture & fishing | 2013 |
| Gresham Property Holdings Limited | Real estate | 2019 |
| Gresham Property Management Limited | Real estate | 2021 |
| Gricot Ltd | Administrative & support | 2024 |
| Grist Environmental Limited | Water & waste | 1993 |
| Grist Group Limited | Professional & scientific | 1989 |
| Grist Holdings Limited | Financial services | 2026 |
| Growganic Limited | Manufacturing | 1989 |
| Growganic Services Limited | Extraterritorial | 1995 |