| SR Interiors Limited | Construction | 2019 |
| STC Sports Club Limited | Arts & recreation | 2010 |
| Steel TEC Structural Limited | Construction | 2008 |
| Streets& Sons Ltd | Construction | 2021 |
| Streetwise Property Services Limited | Real estate | 2017 |
| Strongarm Interiors Limited | Construction | 2009 |
| Supreme Cleaning Service Limited | Other services | 2012 |
| Supreme Surfaces Limited | Construction | 2010 |
| T5 Electrical Contractors Limited | Construction | 2010 |
| TAG Horticultural & Arboricultural Services Limited | Administrative & support | 2004 |
| Tarbock Developments Limited | Construction | 2015 |
| Taylor Print Services Ltd | Manufacturing | 2017 |
| Taylors Contracts Limited | Agriculture & fishing | 2018 |
| TCP Capital Limited | Real estate | 2020 |
| THE Complete Property Company South East Limited | Real estate | 2022 |
| THE Edge C Group Ltd | Financial services | 2008 |
| THE Equities Exchange Limited | Information & communication | 2017 |
| THE Harrow Dental Practice Limited | Health & social care | 2010 |
| THE Kettle Kids Limited | Wholesale & retail | 2017 |
| THE MAT MAN Limited | Wholesale & retail | 2008 |
| THE Rose PH Limited | Wholesale & retail | 2003 |
| Therapy at Play Ltd | Health & social care | 2024 |
| Thomas Roof Restoration Limited | Construction | 2015 |
| Three Boiler House Limited | Construction | 2018 |
| TLC Heating and Plumbing Limited | Construction | 2015 |
| TM Autos Limited | Wholesale & retail | 2018 |
| Toothfaireez Limited | Information & communication | 2015 |
| Top Rank Roofing & Building Limited | Construction | 2016 |
| Topgable Limited | Households | 1980 |
| Total Security Services (UK) Limited | Administrative & support | 2005 |
| Trammel Limited | Construction | 2005 |
| Tudor Locksmiths Ltd | Administrative & support | 2023 |
| U.K. Attachments Ltd | Construction | 2017 |
| Urban & Provincial Limited | Construction | 2017 |
| Urbane Plus Limited | Arts & recreation | 2011 |
| Valentine Rose Consulting Ltd | Professional & scientific | 2017 |
| Valhomes Ltd | Real estate | 2016 |
| Van Signs Online Limited | Manufacturing | 2015 |
| Vandome & Hart Holdings Limited | Wholesale & retail | 2003 |
| Vandome & Hart Limited | Wholesale & retail | 1904 |
| Vauban Resources Limited | Construction | 2009 |
| Vesper Media Group Limited | Arts & recreation | 2017 |
| Wigmore Dental Practice Ltd | Real estate | 2016 |
| Willow Court Services Limited | Professional & scientific | 2019 |
| Wiltshire Teak Limited | Wholesale & retail | 2015 |
| WMA Book-Keeping Services Limited | Professional & scientific | 2014 |
| WOT NO Productions Limited | Manufacturing | 2015 |
| Z to a Plumbing and Heating Limited | Construction | 2018 |
| ZDS Communications Ltd | Information & communication | 2016 |
| Zephyr Contracts Limited | Construction | 1996 |
| Zephyr Products Limited | Construction | 1988 |