| Plas Ynyshir Hall Hotel Limited | Hospitality | 2011 |
| Powys Plumbing and Heating Supplies Ltd | Wholesale & retail | 2026 |
| Public Interest Research Centre Limited | Professional & scientific | 1973 |
| R B D Roofing Ltd | Construction | 2025 |
| R. Keith Price Haulage Limited | Transport & logistics | 2002 |
| Rachel Hargrave Limited | Professional & scientific | 2005 |
| RAJ Beverages Ltd | Hospitality | 2022 |
| Rebuildable Ltd | Construction | 2023 |
| Reconcile Consulting Limited | Professional & scientific | 2022 |
| Recordiau Bing CYF | Information & communication | 2024 |
| Red Shoes Ltd | Manufacturing | 2021 |
| Richard Bayford Consultancy Limited | Professional & scientific | 2025 |
| Roberts Properties Machynlleth Ltd | Real estate | 2025 |
| Rolf Skeldon Ltd | Wholesale & retail | 2021 |
| Rowlands Groundworks Ltd | Construction | 2008 |
| RR & DE Ltd | Real estate | 2024 |
| Runcomm Global Limited | Arts & recreation | 2013 |
| Russell Williams (Textiles) Limited | Wholesale & retail | 1974 |
| Ruttin Limited | Construction | 1989 |
| RYE and Roses Ltd | Wholesale & retail | 2024 |
| Sawna Dyfi Ltd | Arts & recreation | 2024 |
| SCC Laundry Ltd | Administrative & support | 2022 |
| Second Wind Energy Ltd | Manufacturing | 2016 |
| Seiclo Dyfi Cycle CIC | Manufacturing | 2023 |
| Shanenorth Ltd | Health & social care | 2024 |
| Shechem Limited | Professional & scientific | 2015 |
| Shelbourne Court Management Company Limited | Real estate | 2008 |
| SHL AML Ltd | Professional & scientific | 2007 |
| Showerscape Limited | Manufacturing | 2022 |
| SJB Research Limited | Information & communication | 2011 |
| Slate Frameworks Ltd | Manufacturing | 2024 |
| Smart Energy Systems Limited | Construction | 2010 |
| Smart Stop Solutions Limited | Construction | 2019 |
| Smoovie Ltd | Information & communication | 2025 |
| Snow Broker Limited | Administrative & support | 2022 |
| Snowdonia Whiskey Company Limited | Professional & scientific | 2004 |
| Something OUT of Nothing Ltd | Wholesale & retail | 2025 |
| Stiwdio Dyfi C.I.C. | Professional & scientific | 2022 |
| Sustainable Cycles Ltd | Professional & scientific | 2023 |
| Tafolog Luxury Stay Wales Ltd | Hospitality | 2022 |
| TAI Dyfi Homes Limited | Construction | 2013 |
| TAI Twymyn CYF | Construction | 2007 |
| Talybont Pharmacy Limited | Wholesale & retail | 2015 |
| TAN YR Eglwys Management Company Limited | Real estate | 2018 |
| Teifi Harps Limited | Manufacturing | 2023 |
| Tennco Sports Ltd | Professional & scientific | 2022 |
| THE Deco Shop Ltd | Administrative & support | 2016 |
| THE Dovey Valley Hotel Ltd | Hospitality | 2013 |
| THE Iron Room (Eglwysfach) Limited | Arts & recreation | 2012 |
| THE Old Vicarage Corris Ltd | Hospitality | 2021 |
| THE Rhizosphere Ltd | Education | 2026 |
| THE Solar Design and Training Company Limited | Wholesale & retail | 2003 |
| Tinkr Creative Ltd | Information & communication | 2026 |
| Tiny Home Coffee Limited | Hospitality | 2025 |
| TLE Sports and Events Ltd | Arts & recreation | 2024 |
| Top Cat Big Tops Tents & Marquees Limited | Administrative & support | 2015 |
| Towyn Marine Properties Limited | Construction | 2015 |
| Trailrippers Project CIC | Arts & recreation | 2024 |
| Trophic Cascade Limited | Arts & recreation | 2015 |
| TWT Tiny Homes Ltd | Construction | 2023 |
| Ty'N Y Pwll Caravan Park Ltd | Hospitality | 2012 |
| Tymhorau Dyfi Limited | Wholesale & retail | 2023 |
| TŶ Medi Ltd | Hospitality | 2019 |
| Umbel Press Ltd | Information & communication | 2025 |
| Urbanlemon Ltd | Arts & recreation | 2014 |
| Vince Properties Ltd | Real estate | 2018 |
| Wales Tourism Alliance Limited | Other services | 2002 |
| Wapm Ltd | Construction | 2023 |
| Warren Parc Leisure Ltd. | Hospitality | 1999 |
| Weather Power Limited | Other services | 2009 |
| Whitstable Pickle Company Limited | Administrative & support | 2011 |
| Wildcard Entertainment and Events Limited | Wholesale & retail | 2025 |
| Windward Renewable Energy Services Ltd | Manufacturing | 2014 |
| Working With the Mind C.I.C. | Health & social care | 2020 |
| Yeti Cabin Co Ltd | Manufacturing | 2025 |
| Yeti Trailer Co Ltd | Manufacturing | 2025 |
| Ynyshir Gwen Ltd | Hospitality | 2022 |
| Ynyshir Hall Holdings Limited | Hospitality | 2018 |
| YR HEN Stablau Machynlleth CIC | Hospitality | 2022 |
| Zhonghua Yuan Ltd | Hospitality | 2024 |
| ZZ Whisky & Restaurant Limited | Hospitality | 2023 |