| 12 -14 Havelock Road Company Limited | Real estate | 2017 |
| Asset Recovery & Insolvency Ltd | Financial services | 2014 |
| Breathing Soap Ltd | Manufacturing | 2025 |
| Enhanced Recruitment Solutions Ltd | Administrative & support | 2021 |
| FOR the Love of Wine Limited | Wholesale & retail | 2013 |
| Giblin Limited | Financial services | 2020 |
| Localbods Ltd | Information & communication | 2019 |
| M&C Eyecare Ltd | Wholesale & retail | 2023 |
| MAID2CLEAN Southampton Limited | Administrative & support | 2011 |
| Malik & Collins Ltd | Wholesale & retail | 2017 |
| Marine Power Training Limited | Professional & scientific | 2023 |
| Pecap Limited | Financial services | 2025 |
| Peter Greenhalgh Services and Assets Limited | Real estate | 2019 |
| Pickwick Estates Limited | Construction | 1999 |
| Ringlord Limited | Construction | 2004 |
| Ruby Plant Hire Ltd | Administrative & support | 2017 |
| Sea Sure Limited | Manufacturing | 1966 |
| Simdan Consulting Limited | Professional & scientific | 2012 |
| Stand OUT Sales and Marketing Limited | Wholesale & retail | 2019 |
| Steve Grieve Consultancy Ltd | Financial services | 2016 |
| TH Training Limited | Arts & recreation | 2013 |
| THE Complete Property Works Limited | Real estate | 2015 |
| Trimby Ltd | Real estate | 2024 |
| Viking Projects (UK) Ltd | Construction | 2010 |
| Waddington Theatre Group LLP | | 2025 |
| Warmadesigns Ltd | Construction | 2014 |
| White Room Technology Limited | Administrative & support | 2005 |