| Elmfield Tavern Ltd | Hospitality | 2021 |
| Emily Riches Limited | Other services | 2024 |
| Empire Lets Ltd | Real estate | 2025 |
| En-Glishrain Limited | Real estate | 2019 |
| Endless Doodle Ltd | Wholesale & retail | 2024 |
| Energy BLU UK Ltd | Construction | 2019 |
| Equalizer Ltd | Administrative & support | 2025 |
| Eureco Limited | Information & communication | 1995 |
| EV Connextions Ltd | Construction | 2017 |
| Event LED Signs Limited | Information & communication | 2017 |
| Everfield and Marrow Limited | Professional & scientific | 2025 |
| Expronential Limited | Professional & scientific | 2013 |
| F W Marsh (Electrical and Mechanical) Limited | Construction | 1991 |
| F.H. Winter & Sons Limited | Wholesale & retail | 1960 |
| Fairbanks Building Services Design Ltd | Construction | 2015 |
| Fakenham IOW Limited | Construction | 2023 |
| Falcon Lettings IOW Ltd | Other services | 2024 |
| Falcon Mews Developments Limited | Real estate | 1946 |
| Fenella Travel Ltd | Administrative & support | 2022 |
| Fill IT and Chips Ltd | Wholesale & retail | 2020 |
| Film Information Technology Limited | Professional & scientific | 1997 |
| Filmit Limited | Professional & scientific | 2000 |
| Fired Art Limited | Arts & recreation | 2022 |
| Fishbourne Properties Ltd | Real estate | 2025 |
| Flanders Housing Ltd | Construction | 2022 |
| Florence View Court Management Company Limited | Households | 1983 |
| Fodcon Ltd | Hospitality | 2025 |
| Football FUN Factory (Community 052) Ltd | Arts & recreation | 2022 |
| Ford Search Partners Ltd | Administrative & support | 2022 |
| Ford Strategic Partners Ltd | Professional & scientific | 2005 |
| Foreland Homes Niton Ltd | Construction | 2024 |
| Foreland Homes Wootton Ltd | Construction | 2025 |
| Forever Wild at Heart CIC | Education | 2024 |
| Fortis Energy Limited | Energy | 2009 |
| Fortis House Limited | Real estate | 2012 |
| Fortune Crafts Limited | Manufacturing | 2015 |
| Four Futures Group Ltd | Financial services | 2026 |
| Four Point Digital Limited | Professional & scientific | 2020 |
| Four Seasons Cleaning Ltd | Administrative & support | 2007 |
| FOX Property Limited | Real estate | 2001 |
| Foxcaw Ltd | Real estate | 2022 |
| Fpbridge Limited | Information & communication | 2014 |
| Franschhoek House Limited | Real estate | 2024 |
| Freshwater Launderette Ltd | Other services | 2020 |
| Friendinabox Ltd | Wholesale & retail | 2015 |
| FTL (IOW) Limited | Construction | 2017 |
| Future Basics Ltd. | Information & communication | 2015 |
| G & D Farmer PA Limited | Public administration | 2025 |
| G & D Filer Property Limited | Real estate | 2021 |
| G C Engineering (Isle of Wight) Ltd | Manufacturing | 2002 |
| G Maude Wind Ltd | Professional & scientific | 2025 |
| G N Stewart Contractors Limited | Construction | 2012 |
| G P Home Improvements (Vectis) Limited | Construction | 2011 |
| Galumphed Ltd | Wholesale & retail | 2025 |
| Gamesvault Limited | Wholesale & retail | 2014 |
| Gassiot Place Management Company Limited | Households | 2021 |
| Gauge O Sales Ltd | Arts & recreation | 2025 |
| Gauntlets & Gowns Events Limited | Other services | 2022 |
| Gemymi Consulting Limited | Health & social care | 2023 |
| Genesis Organic Design Ltd Ltd | Manufacturing | 2023 |
| Giraffe & Custard Limited | Wholesale & retail | 2023 |
| Girdlers House Ltd | Households | 2021 |
| Glen Drysdale Properties Limited | Real estate | 2021 |
| Glenholme RTM Company Limited | Households | 2012 |
| Global Marine Engineering Ltd | Manufacturing | 2022 |
| Go Internet Ltd | Information & communication | 2010 |
| Goddards Brewery Limited | Manufacturing | 1989 |
| Godiscover Ltd | Administrative & support | 2024 |
| Goodleaf Limited | Arts & recreation | 2008 |
| Goose Island Candle Company Ltd | Manufacturing | 2023 |
| Grays Plumbing and Heating Limited | Construction | 2021 |
| Greenscapes Tree Care & Land Management Ltd | Agriculture & fishing | 2022 |
| Greentech South Ltd | Professional & scientific | 2019 |
| Greenwood Mentors Limited | Professional & scientific | 2008 |
| GS Plumbing and Heating Services Limited | Construction | 2024 |
| Gsclayton Limited | Information & communication | 2024 |
| Gulf Power Ventures Ltd. | Manufacturing | 2005 |
| Gunville Development Ltd | Real estate | 2023 |
| H & a Training Ltd | Education | 2025 |
| H & LPC Events Limited | Other services | 2020 |
| Hair&Art Barber Limited | Other services | 2023 |
| Halcyon Glazing Ltd | Construction | 2022 |
| Hall Group IOW Limited | Construction | 2015 |
| Hamstead Timber Limited | Agriculture & fishing | 2016 |
| Hanman Marine Fabrications Ltd | Other services | 2016 |
| Happy Hound Artisan Bakery Limited | Manufacturing | 2023 |
| Harribella Ltd | Wholesale & retail | 2012 |
| Harris Developments Limited | Hospitality | 2005 |
| Harrison Contractors Limited | Construction | 2019 |
| Harwood Close Management Company Limited | Households | 2020 |
| Haslemere Housekeepers Ltd | Administrative & support | 2019 |
| Haven Physiotherapy Ltd | Health & social care | 2025 |
| Hazlewood and Pearce Developments Ltd | Construction | 2024 |
| Heljiana Properties Limited | Real estate | 1998 |
| Heritage Rail Charitable Trust | Other services | 1975 |
| Heritage Railway Association | Other services | 1988 |
| HEY Tradey Ltd | Information & communication | 2022 |
| High Voltage MX Limited | Administrative & support | 2018 |
| Higher Frog Ltd | Administrative & support | 2019 |
| HJN Trading Ltd | Wholesale & retail | 2024 |