| Edufun Limited | Wholesale & retail | 2024 |
| Elci Estates Limited | Real estate | 2026 |
| Elementalle Limited | Wholesale & retail | 2009 |
| Ellie Rose Properties Limited | Real estate | 2019 |
| ELM Property Investments (Snape Maltings) Limited | Real estate | 2015 |
| ELM Property Management (Snape Maltings) Limited | Real estate | 2007 |
| Eloise Comporta Ltd | Manufacturing | 2025 |
| Emma K Framing Limited | Wholesale & retail | 2012 |
| Emsden Enterprises Limited | Construction | 2021 |
| Environmental Efficiency Systems Ltd | Professional & scientific | 2022 |
| Eragon Ecom Group Ltd | Wholesale & retail | 2024 |
| Event Curation by Victoria Ltd | Other services | 2021 |
| Events Redefined Ltd | Administrative & support | 2025 |
| F & H Scaffolding Limited | Construction | 2011 |
| Fairing Consulting Limited | Information & communication | 2024 |
| Farnham Leisure Holdings Limited | Professional & scientific | 2013 |
| Farnham Leisure Limited | Administrative & support | 1999 |
| Farnham Property Limited | Construction | 2022 |
| FCB Business Investments Ltd | Financial services | 2022 |
| Fcpd Business Investments Ltd | Financial services | 2022 |
| Flick & SON Limited | Real estate | 2003 |
| Flora Gathorne-Hardy Limited | Administrative & support | 2025 |
| Fordleymoor Kennels Ltd | Agriculture & fishing | 2007 |
| Francis Wealth Management Ltd | Administrative & support | 2012 |
| Fred & Mildred Limited | Administrative & support | 2012 |
| Frederic Wake-Walker Limited | Arts & recreation | 2006 |
| Full Effect Fireworks Ltd. | Wholesale & retail | 2016 |
| Fulvens Ltd | Manufacturing | 2002 |
| Future Build East Limited | Construction | 2019 |
| Futuristic Homes Limited | Construction | 2004 |
| Gawthrop Properties Limited | Households | 2023 |
| GB Best Car Wash Ltd | Administrative & support | 2025 |
| George Juniper Limited | Wholesale & retail | 2017 |
| Ghostly Revelations Ltd | Arts & recreation | 2024 |
| Glebe Court (Snape) Limited | Real estate | 2016 |
| Glenn Coles Consulting Ltd | Professional & scientific | 2021 |
| Glenwood Osteopaths Limited | Health & social care | 2003 |
| Good Careers Limited | Administrative & support | 2010 |
| Good Food and Events Ltd | Hospitality | 2025 |
| Good Measures Limited | Information & communication | 2009 |
| Good Resources Limited | Administrative & support | 2010 |
| Good Systems Limited | Information & communication | 2010 |
| Good Team Limited | Professional & scientific | 2010 |
| Gordon Young Architects Ltd. | Professional & scientific | 2018 |
| Gould Adaptions Ltd | Construction | 2019 |
| Grafo-Products Limited | Manufacturing | 1995 |
| Green FOX Developments Ltd | Construction | 2020 |
| Green Investing Ltd | Administrative & support | 2026 |
| Greenfuture Energy Ltd | Construction | 2011 |
| GRN Consultancy Ltd | Health & social care | 2017 |
| Hair Affair Salon Ltd | Other services | 2022 |
| Hamilton Madden Ltd | Energy | 2021 |
| Handsome Made Ltd | Construction | 2022 |
| Hannatt Building Services Limited | Construction | 2026 |
| Harry Mann Transport Services Ltd | Transport & logistics | 2022 |
| Hayley Kirkby Psychology Ltd | Education | 2025 |
| Hayley Sarah Designs Ltd | Professional & scientific | 2020 |
| Heavenly Hairstyling Limited | Other services | 2015 |
| Hefer Consultants Ltd | Education | 2018 |
| Henrietta Inman Ltd | Hospitality | 2018 |
| Heysarnie Ltd | Hospitality | 2025 |
| High Five Venture Management Ltd | Real estate | 2017 |
| High Lodge Leisure Limited | Hospitality | 2001 |
| High Performers Academy Limited | Extraterritorial | 2022 |
| HOG Hill Holiday Cottages Limited | Hospitality | 2011 |
| Holland House Developments Limited | Real estate | 2010 |
| Home & Garden Construction Limited | Construction | 2017 |
| Hopton Yard Limited | Households | 2016 |
| Hostperfect Limited | Extraterritorial | 1987 |
| House of Huga Limited | Professional & scientific | 2023 |
| Howe Tools Limited | Wholesale & retail | 2014 |
| Howman Property Investments Ltd | Real estate | 2022 |
| Husk Thorington Ltd | Hospitality | 2024 |
| Hydroseal Advanced Roofing Solutions Limited | Construction | 2025 |
| I & P Consultancy Limited | Professional & scientific | 2019 |
| I J Page Limited | Wholesale & retail | 2022 |
| Ilias (East Anglia) Ltd | Professional & scientific | 2013 |
| Innovations Staffing Group Limited | Professional & scientific | 2024 |
| Integrity Medical Supplies Ltd | Health & social care | 2024 |
| Invisibleminds Ltd | Information & communication | 2026 |
| Ipnos Diagnostics Ltd | Information & communication | 2026 |
| Ipswich Wharf Developments Limited | Construction | 2014 |
| J Glennon Engineering Ltd | Professional & scientific | 2024 |
| J&Hw Ltd | Professional & scientific | 2013 |
| J&J Grugeon Limited | Professional & scientific | 2025 |
| J. Jones Construction Ltd | Agriculture & fishing | 2022 |
| J.G Group 1 Limited | Construction | 2023 |
| J.J. Sugrue Limited | Construction | 2006 |
| J.Peck Logistics Limited | Transport & logistics | 2013 |
| J.Wood & Sons,Limited | Wholesale & retail | 1903 |
| Jackey L Jewellers Limited | Administrative & support | 2006 |
| Jake's Kitchen Ltd | Hospitality | 2013 |
| Jess Brown Ltd | Professional & scientific | 2015 |
| JGA Plastering & Rendering Ltd | Construction | 2026 |
| Jinny's Limited | Hospitality | 2021 |
| JJS Plant Ltd | Administrative & support | 2019 |
| Jlbw Holdings Ltd | Real estate | 2026 |
| John Cairncross Consultancy Ltd | Administrative & support | 2019 |
| Jonathan Read Ltd | Manufacturing | 2009 |
| Jonathan Stevens Architects Ltd | Professional & scientific | 2026 |