| Rhug Energy Limited | Energy | 2011 |
| Rhug Organic and Natural Limited | Wholesale & retail | 2019 |
| Rhug Wholesale Ltd | Manufacturing | 2017 |
| Rising Phoenix Ltd | Hospitality | 2023 |
| Rivercatcher Limited | Hospitality | 2022 |
| Riverdale Hospitality Limited | Hospitality | 2014 |
| Ruth LEE Limited | Public administration | 1999 |
| Rwsf Ltd | Agriculture & fishing | 2016 |
| Saracens Tyres Limited | Wholesale & retail | 2011 |
| Sarah Clutton Language Services Limited | Administrative & support | 2010 |
| SC Aesthetic Consulting Ltd | Professional & scientific | 2018 |
| Sea IT Retreats Ltd | Hospitality | 2021 |
| Sewaluna Albion CIC | Agriculture & fishing | 2025 |
| Shape IT Recruitment Limited | Administrative & support | 2014 |
| Skicase Limited | Wholesale & retail | 2015 |
| Sloane & Country Limited | Wholesale & retail | 2022 |
| South Denbighshire Community Partnership | Health & social care | 2010 |
| Spear-Uk Limited | Wholesale & retail | 2008 |
| Strawberries and Cream Delights Limited | Wholesale & retail | 2017 |
| Structural Steel Components Ltd | Manufacturing | 2025 |
| Swinctec Europe Ltd | Information & communication | 2012 |
| T G Jones (Llety) Limited | Construction | 2019 |
| Tai'N Y Foel CYF | Manufacturing | 2020 |
| Tatsuo Nakamura Ltd | Extraterritorial | 2024 |
| Tegid Limited | Administrative & support | 2014 |
| Tegni Holdings Limited | Energy | 2020 |
| Tegni Limited | Energy | 1996 |
| Terrier Trackway Limited | Administrative & support | 2015 |
| THE Berwyn Arms (2019) Ltd | Hospitality | 2019 |
| THE Forge Corwen Ltd | Agriculture & fishing | 2010 |
| THE Goat and Bailey Company Ltd | Hospitality | 2018 |
| THE HR Mastery MAP Limited | Professional & scientific | 2025 |
| THE Stores Llandrillo Ltd | Wholesale & retail | 2021 |
| THE Train Station Fitness Limited | Arts & recreation | 2017 |
| Tie-Point Geoscience Limited | Professional & scientific | 2011 |
| TJM Retail Ltd | Wholesale & retail | 2020 |
| TLP Medical Limited | Health & social care | 2021 |
| Tomahawk Outdoor Adventures Ltd | Wholesale & retail | 2019 |
| Trax Groundworks Limited | Construction | 2005 |
| TSL Pipes Ltd | Wholesale & retail | 2024 |
| TY Bach Holidays Ltd | Hospitality | 2022 |
| Tyfos Limited | Energy | 2004 |
| Valleyspice 24 Limited | Hospitality | 2024 |
| Value Village Ltd | Wholesale & retail | 2025 |
| VCH Solutions Ltd | Administrative & support | 2023 |
| Veronix Limited | Information & communication | 2024 |
| Vertech Limited | Manufacturing | 2010 |
| W.E.S. Events Ltd | Arts & recreation | 2024 |
| Westbury Pencoed Ltd | Agriculture & fishing | 2013 |
| Wild Child Nature Play Ltd | Education | 2023 |
| Wildman Inc Ltd | Professional & scientific | 2021 |
| Williams Fabrication Ltd | Manufacturing | 2018 |
| Williams Haulage (Deeside) Limited | Transport & logistics | 2003 |
| Williams Haulage (Warehousing & Distribution) Limited | Transport & logistics | 2009 |
| Williams Haulage Limited | Transport & logistics | 1999 |
| Wilson Brothers Contractors Limited | Construction | 2019 |
| Wrexham Driver Hire Limited | Transport & logistics | 2018 |
| Wylfa Fabrications Ltd | Construction | 2025 |
| YOU Know IT Limited | Health & social care | 2017 |
| YOU Plan Limited | Administrative & support | 2017 |
| Zojoio Limited | Professional & scientific | 2022 |