| Evamor Ltd | Real estate | 2020 |
| Eyfer Limited | Professional & scientific | 2016 |
| Falcon Cross Management Ltd | Households | 2024 |
| Fusion Engineering (IOW) Limited | Professional & scientific | 2024 |
| Gailygain Holdings Limited | Financial services | 2015 |
| Gailygain Limited | Arts & recreation | 1993 |
| Gesare Investments Ltd | Construction | 2021 |
| GET Into Recovery CIC | Health & social care | 2024 |
| Giggles & Glue Ltd | Health & social care | 2025 |
| Glow UP Parties Ltd | Administrative & support | 2024 |
| Goodyears Outdoors Limited | Wholesale & retail | 2000 |
| Grace Properties (I.W.) Limited | Real estate | 2003 |
| Grace Properties (Vectis) Limited | Financial services | 2010 |
| Grange Court (Shanklin Isle of Wight) Management RTM Company Limited | Households | 2009 |
| Grays Traditional Marquees IOW Ltd | Administrative & support | 2022 |
| Grays Traditional Marquees Isle of Wight Ltd | Administrative & support | 2025 |
| Grays Traditional Marquees IW Ltd | Administrative & support | 2025 |
| Grays Traditional Marquees Ltd | Administrative & support | 2022 |
| Great Wight Enterprises Limited | Wholesale & retail | 2004 |
| GRS Electrical Contracting Ltd | Construction | 2013 |
| GT Electrical IOW Ltd | Construction | 2025 |
| H.S Developments IOW Ltd | Construction | 2019 |
| H.S. Carpentry & Building Contractors Ltd | Construction | 2016 |
| Halliday Assets Ltd | Construction | 2010 |
| Harbour Stay Management Ltd | Hospitality | 2026 |
| Harrow Lodge Hotel Ltd | Hospitality | 2025 |
| Harvey Clearance and Maintenance Ltd | Water & waste | 2024 |
| Harvey Clearance IW Limited | Water & waste | 2026 |
| Hash Design Ltd | Professional & scientific | 2024 |
| Hayden Property Services IW Limited | Other services | 2026 |
| Heartwood Developments (I.O.W.) Ltd | Construction | 2015 |
| Heartwood Homes (Isle of Wight) Limited | Construction | 2006 |
| Hedley Court (IOW) Residents Association Limited | Households | 2025 |
| Highbury Mechelec Engineering Ltd | Construction | 2020 |
| Hilton Exterior Cleaning Limited | Administrative & support | 2026 |
| Hobson’S Choice Removals & Transport Ltd | Transport & logistics | 2025 |
| House of Treasure (IOW) Limited | Wholesale & retail | 2023 |
| Iconic Property Investment Limited | Hospitality | 2015 |
| Ilex Medical Consulting Ltd | Health & social care | 2026 |
| Illustrious Investment Ltd | Hospitality | 2025 |
| Inclusive Living Group Ltd | Real estate | 2025 |
| Inner Loop Solutions Limited | Manufacturing | 2021 |
| Innovative Physics Limited | Manufacturing | 2008 |
| Inserve Risk Engineering Limited | Professional & scientific | 2013 |
| International Hobo Limited | Information & communication | 2016 |
| IOW Energy Ltd | Construction | 2014 |
| IPS (IOW) Ltd | Construction | 2020 |
| Island Clinical Academic Service Ltd | Health & social care | 2014 |
| Island Pressure Washers Limited | Administrative & support | 2025 |
| Island Property Management Ltd | Real estate | 2023 |
| Island RC Ltd | Wholesale & retail | 2022 |
| Isle Clean That Ltd | Administrative & support | 2026 |
| Isle Entertain Limited | Arts & recreation | 2013 |
| Isle of Wight Deliveries Ltd | Other services | 2020 |
| Isle of Wight Hospitality Ltd | Hospitality | 2017 |
| Isle of Wight Rare Breeds CIC | Education | 2024 |
| Isle of Wight Street Pastors | Other services | 2010 |
| It's About Thyme Ltd | Wholesale & retail | 2021 |
| J S Heating (IW) Limited | Construction | 2004 |
| Jablades Ltd | Energy | 2023 |
| Jadel Medical Services Ltd | Health & social care | 2020 |
| Jamax Group Limited | Information & communication | 2026 |
| James Dixon Training Ltd | Arts & recreation | 2019 |
| JD Project Services Ltd | Construction | 2026 |
| Jerome & Co Solicitors Limited | Professional & scientific | 2007 |
| Jgee Ltd | Administrative & support | 2023 |
| JK Heating Solutions Limited | Construction | 2025 |
| John Lloyd Antique Ltd | Wholesale & retail | 2019 |
| John Lloyd International Limited | Real estate | 2022 |
| Jurassic JIM Limited | Wholesale & retail | 2016 |
| Kandy Commercial Limited | Real estate | 2016 |
| Karen Robb Sewing Collective Ltd | Manufacturing | 2026 |
| Karen Robb Studio Ltd | Manufacturing | 2026 |
| KC Tree Work and Fencing Ltd | Administrative & support | 2022 |
| Keats Green Hotel Ltd | Hospitality | 2024 |
| Kettlety Holdings Limited | Financial services | 2022 |
| KIN Crazy Ltd | Hospitality | 2025 |
| Lalatigs Limited | Health & social care | 2007 |
| Lane END Beach Huts Limited | Professional & scientific | 1998 |
| Langthorne Freehold Company Limited | Real estate | 2012 |
| Laura Dixon Training Ltd | Arts & recreation | 2020 |
| Leesel Lounge Ltd | Hospitality | 2026 |
| Level Detailing Ltd | Wholesale & retail | 2026 |
| Life of MEG Limited | Information & communication | 2026 |
| Littlestairs Dental Centre Limited | Health & social care | 2007 |
| LIV Wooldridge Ltd | Information & communication | 2026 |
| Livebond Limited | Hospitality | 2016 |
| London Fine Art Gallery Ltd | Wholesale & retail | 2024 |
| Luccombe Court Management Company Limited | Households | 1981 |
| Lukely Group Limited | Financial services | 2015 |
| Lukely Properties Limited | Real estate | 2013 |
| Magnanerie Limited | Professional & scientific | 1991 |
| Makkie's Ltd | Hospitality | 2018 |
| Malc Johnson Vehicle Repairs Limited | Wholesale & retail | 2014 |
| Marketplace Trader Ltd | Wholesale & retail | 2025 |
| Marshall Meal Prep Limited | Hospitality | 2025 |
| Matt's Taxis Ltd | Transport & logistics | 2026 |
| Maximus Support Services Ltd | Health & social care | 2022 |
| MEB Catering Ltd | Hospitality | 2022 |
| Mercy Nails & Spa Ltd | Other services | 2025 |