| Bannisters (Newick) Limited | Wholesale & retail | 2010 |
| Bannisters Field Management Company Limited | Households | 2015 |
| Birch & Louise Ltd | Wholesale & retail | 2021 |
| Blue-Gray Limited | Manufacturing | 1998 |
| Boileau Legal Ltd | Professional & scientific | 2019 |
| CG Detailing UK Ltd | Professional & scientific | 2024 |
| Clarity Financial Solutions Limited Liability Partnership | | 2003 |
| Cloud Voice Security Limited | Administrative & support | 2023 |
| Dale Hurst Developments Limited | Construction | 2012 |
| EJL Landworks Ltd | Administrative & support | 2025 |
| Gorarddean Corporate Communications Limited | Professional & scientific | 1987 |
| Headway Sussex Ltd | Health & social care | 2000 |
| Jewel in the Crown (Distinguished Hotel Jewellers) Limited | Wholesale & retail | 2003 |
| Moonstake Limited | Manufacturing | 1991 |
| Palmer Service Group Ltd | Construction | 2017 |
| Qhop App Ltd | Information & communication | 2025 |
| RBA Project Solutions Limited | Administrative & support | 2006 |
| Riplingham Management Company (NO.2) Limited | Real estate | 2011 |
| Signature Buxted Limited | Construction | 2020 |
| Signature Care Crawley Limited | Construction | 2022 |
| Signature Care Sussex Limited | Construction | 2019 |
| Signature Newhaven Limited | Construction | 2024 |
| Signature SBC Limited | Construction | 2023 |
| Simon Penrose Ltd | Mining & quarrying | 2019 |
| Tolhurst Tolhurst and Gilani LLP | | 2026 |
| Upwey Limited | Construction | 2009 |
| White Sage Studio Limited | Administrative & support | 2021 |