| Tillingbourne (Horsham) Limited | Professional & scientific | 2015 |
| TIM West Gardens Limited | Construction | 2016 |
| Timbara Limited | Construction | 2024 |
| TM Auto Works Ltd | Wholesale & retail | 2025 |
| TN Westpoint Ltd | Information & communication | 2015 |
| Trefoil Farm Ltd | Agriculture & fishing | 2017 |
| Trefoil Farm Permaculture Project Ltd | Agriculture & fishing | 2019 |
| Trendell's (Print) Limited | Real estate | 1981 |
| Tristan Eves Ltd | Other services | 2014 |
| Turf & Surf Speciality Products Limited | Wholesale & retail | 2006 |
| Twincam Ltd | Wholesale & retail | 2006 |
| Two Soups TV Ltd | Information & communication | 2019 |
| Twocock Property Limited | Real estate | 2023 |
| Unsolicited Ltd | Professional & scientific | 2025 |
| Vagabond Antiques Limited | Wholesale & retail | 2019 |
| Veedub Performance and Service Limited | Wholesale & retail | 2015 |
| Verdon Polo LLP | | 2013 |
| Verissimus Limited | Financial services | 2018 |
| Vineyard Mews Residents Association (Richmond) Limited | Households | 1992 |
| W Bryder & Sons Limited | Other services | 2011 |
| Wallace Square (Petworth) Management Company Limited | Households | 2014 |
| Walled Garden Management Company (Duncton) Limited | Households | 1997 |
| Waratah Gardens Limited | Administrative & support | 2015 |
| Wassell Barn Farm Ltd | Agriculture & fishing | 2021 |
| Wavetrend Europe Limited | Information & communication | 2000 |
| Wayfarer Enterprises Ltd | Administrative & support | 2026 |
| Well Productions LLP | | 2012 |
| Wellness Through Nature | Extraterritorial | 2022 |
| Welly Boot Events Ltd | Other services | 2022 |
| West Sussex Consultants Ltd | Wholesale & retail | 2013 |
| West Sussex Music Trust | Education | 2013 |
| West Sussex Private Hire Limited | Administrative & support | 2015 |
| Westerlands Farm Enterprises Limited | Agriculture & fishing | 2025 |
| Westside Estate (Tillington) Ltd | Households | 2020 |
| Wherwell Investments Limited | Real estate | 1961 |
| Wild Spirit Enterprises Limited | Real estate | 2015 |
| Woodberry House Limited | Households | 2003 |
| Woodpecker Medical Ltd | Information & communication | 2020 |
| Xzony Limited | Other services | 2015 |
| ZOE Scaman Ltd | Professional & scientific | 2012 |
| Zorro Window Cleaners Limited | Other services | 2011 |