| Balcombe Plumbing & Heating Limited | Construction | 2003 |
| Bespoke Property Trading and Management Services Limited | Professional & scientific | 2020 |
| Blue Pencil Media Limited | Professional & scientific | 2011 |
| Cascade Managed Services Limited | Information & communication | 2024 |
| Cherry Tree Kennels Limited | Agriculture & fishing | 2002 |
| Chord Shift Limited | Professional & scientific | 2024 |
| Direct Reports Ltd | Professional & scientific | 2010 |
| Elevate Technology Limited | Information & communication | 2021 |
| Garrison Gate Limited | Professional & scientific | 2018 |
| GBR Racing Club Ltd | Arts & recreation | 2021 |
| GMS Sussex Limited | Administrative & support | 2024 |
| Imperial Metrics Consulting Limited | Information & communication | 2019 |
| Interfuture Security Limited | Information & communication | 2023 |
| Interfuture Systems Limited | Information & communication | 1997 |
| Law Watch Limited | Information & communication | 2002 |
| Mierlo Media Ltd | Arts & recreation | 2022 |
| Moversaurus Limited | Transport & logistics | 2008 |
| MR Sixties Limited | Administrative & support | 2011 |
| S & H Surfacing Ltd | Construction | 2025 |
| Siena Management Ltd | Professional & scientific | 2016 |
| Treestone Partners LLP | | 2024 |
| Treestone Properties Limited | Real estate | 2024 |
| Ventureswing Limited | Administrative & support | 1985 |
| Whole Media Limited | Administrative & support | 2007 |
| Woodson Eclectic Ltd | Professional & scientific | 2012 |