| 3 Limes Ltd | Real estate | 2021 |
| A & B Engineering (Southern) Limited | Manufacturing | 1996 |
| Absolut Employment Limited | Administrative & support | 2008 |
| Admiral Residential Property Management Ltd. | Real estate | 2000 |
| Airgoo Limited | Wholesale & retail | 2009 |
| Allstarcleaning.Me.Uk Ltd | Administrative & support | 2019 |
| Blue Reef (UK) Ltd | Arts & recreation | 2011 |
| BM Alliance Limited | Wholesale & retail | 2010 |
| Cambridge Compliance Limited | Professional & scientific | 2021 |
| Cambridge Spice House Limited | Hospitality | 2025 |
| Chelmsford Society of Model Engineers Limited | Transport & logistics | 1967 |
| Electrical Inspection Solutions Limited | Energy | 2009 |
| Esiant Limited | Information & communication | 2012 |
| Grange Cottage Fields Limited | Construction | 2019 |
| Jigsaw Bakery Ltd | Manufacturing | 2012 |
| Joshua Smith Racing Limited | Arts & recreation | 2021 |
| JSR Project Management Limited | Other services | 2019 |
| Kate Rich Ltd | Administrative & support | 2018 |
| Larchwood Properties | | 1989 |
| Microdual Limited | | 1987 |
| Mihai Transport Limited | Transport & logistics | 2014 |
| Mustard Grey Ltd | Other services | 2018 |
| Newmarket Tutoring LLP | | 2025 |
| Pjls Holdings Limited | Financial services | 2019 |
| Platinum European Ltd | Transport & logistics | 2005 |
| Robbos Spraying Services Limited | Manufacturing | 2017 |
| Sealwood Leisure Limited | Hospitality | 2026 |
| T.B. Fairey & Sons Limited | Agriculture & fishing | 1948 |
| THE Maytum Farm Management Company Limited | Households | 1990 |