| PJM Plant Limited | Administrative & support | 2009 |
| Propa Limited | Wholesale & retail | 2008 |
| Qonect International Consulting Limited | Information & communication | 2017 |
| Quicklee Engineering Limited | Construction | 2012 |
| Radian I.T. Limited | Information & communication | 2005 |
| Real Properties (East Yorks) Ltd | Real estate | 2020 |
| Reffold and Grant Group Limited | Professional & scientific | 2017 |
| Reflex Consult Ltd | Construction | 2021 |
| Rons Rentals Ltd | Real estate | 2025 |
| S & S Estate Holdings Limited | Real estate | 2020 |
| S J R Contracting Limited | Agriculture & fishing | 2024 |
| S.A.P. Ecology & Environmental Limited | Professional & scientific | 2015 |
| Saltend Community Development Company Limited | Professional & scientific | 1999 |
| Samantha Hutchinson Limited | Health & social care | 2024 |
| SAS Management Solutions Ltd | Real estate | 2024 |
| Sealion Properties & Investments: Worldwide Ltd | Real estate | 2020 |
| Secundum Artem Limited | Administrative & support | 2005 |
| Skelton Enterprises Limited | Real estate | 2021 |
| Social Value Academy CIC | Professional & scientific | 2022 |
| Stabler Solutions Limited | Professional & scientific | 2025 |
| Steele Classics Limited | Professional & scientific | 2025 |
| Steve Medcalf Limited | Construction | 2008 |
| Syntek Engineering Limited | Professional & scientific | 2012 |
| TGF Plumbing and Heating Ltd | Construction | 2026 |
| TGH Holdings Limited | Financial services | 2026 |
| THE Bath Specialist Limited | Construction | 2009 |
| THE Golden Haddock Ltd | Hospitality | 2004 |
| THE Green Poop BAG Ltd | Wholesale & retail | 2020 |
| Thomas Peyman Quality Builders Ltd | Construction | 2023 |
| Thurmech Engineering Limited | Professional & scientific | 2019 |
| TNJ Design Limited | Professional & scientific | 2021 |
| Townend Farm Estates Limited | Hospitality | 2021 |
| Trea Design Limited | Professional & scientific | 2017 |
| Tsfg Hutchinson Limited | Real estate | 2026 |
| TSH Bailey Limited | Health & social care | 2016 |
| Value Squared (V2) Limited | Information & communication | 2015 |
| Wallico Ltd | Wholesale & retail | 2018 |
| Warwick Brothers Limited | Construction | 2017 |
| WE Care Pest Control Limited | Administrative & support | 2024 |
| West Design and Build Yorkshire Limited | Construction | 2018 |
| Wilson Complete Property Services Ltd | Real estate | 2024 |
| Wykenward Limited | Professional & scientific | 2024 |
| Yorkshire Heating & Plumbing Limited | Construction | 2015 |
| YT & J Ltd | Construction | 2025 |