| 1 Montague Road Felixstowe Management Limited | Households | 2002 |
| Affinity EFS Group (2) Limited | Financial services | 2022 |
| Affinity EFS Group Limited | Financial services | 2022 |
| Après Sunday Limited | Wholesale & retail | 2020 |
| Armour Engineering Ltd | Manufacturing | 2010 |
| Artistic Freedom Limited | Professional & scientific | 2019 |
| Badger Converters Limited | Manufacturing | 1974 |
| Bytetree Asset Management Limited | Financial services | 2020 |
| Bytetree Group Ltd | Information & communication | 2014 |
| Colne Reach Residents Company Limited | Households | 2001 |
| Dunwell Property Management Company Limited | Real estate | 2002 |
| East Coast Kitchen (the Larder) Limited | Wholesale & retail | 2025 |
| Fircroft Management Company Limited | Households | 1980 |
| Grosvenor Court (Clacton) Property Company Limited | Real estate | 1997 |
| H C Collective Limited | Professional & scientific | 2016 |
| High Trees Farm (East Bergholt) Management Company Limited | Households | 2011 |
| Home Financial Consultants Limited | Financial services | 1997 |
| Home Will Consultants Limited | Professional & scientific | 1990 |
| House to Home Surveys Ltd | Professional & scientific | 2019 |
| Marquis Properties Limited | Real estate | 2020 |
| Oaklore Ltd | Agriculture & fishing | 2008 |
| Oranges and Lemons Cafe Ltd | Hospitality | 2021 |
| Panache Ice Cream Limited | Hospitality | 2018 |
| Peasenhall (Smyth Close) Management Company Limited | Households | 2005 |
| Right Care Local Ltd | Health & social care | 2024 |
| Sevello Children’S Homes Ltd | Health & social care | 2024 |
| Solstice Styling Limited | Wholesale & retail | 2024 |
| Suffolk House Management Company Limited | Households | 2012 |
| THE East Bergholt Estate Company Limited | Agriculture & fishing | 2007 |