| 'Steddfod Bont CYF | Arts & recreation | 2018 |
| 360 Pathway Ltd | Other services | 2025 |
| A.T. Speedometer Company Limited | Manufacturing | 2014 |
| CAM4ANIMALS CIC | Education | 2025 |
| Cambrian Trees Ltd | Agriculture & fishing | 2025 |
| Dolebolion Racing Limited | Arts & recreation | 2020 |
| EA Consultancy & Training Ltd | Professional & scientific | 2024 |
| GNW Promotions Limited | Wholesale & retail | 1991 |
| Hafod Walled Garden Group CIC | Agriculture & fishing | 2019 |
| Hendre Stone Ltd | Mining & quarrying | 2019 |
| Hmcc Ltd | Financial services | 2024 |
| IJE Media CYF | Information & communication | 2022 |
| J Mcmullan Plumbing & Heating Ltd | Construction | 2023 |
| Messrs Rees & Co Properties Ltd | Hospitality | 2025 |
| Moduron Hafod Garage CYF | Wholesale & retail | 2013 |
| Nalp | Other services | 2009 |
| Oak Wren Ltd | Information & communication | 2024 |
| Panpathic Communications Ltd | Professional & scientific | 2012 |
| Passion for the Planet (England) Ltd | Extraterritorial | 2010 |
| Passion for the Planet Limited | Extraterritorial | 1999 |
| Pentir Pumlumon CYF. | Other services | 2003 |
| Plynlimon Heritage Trust | Arts & recreation | 2001 |
| Pontrhydygroes CYF | Real estate | 2000 |
| Rialto Industries Ltd | Information & communication | 2021 |
| Smiths Motor Accessories Limited | Manufacturing | 2014 |
| Stowfledge Limited | Manufacturing | 1964 |
| Strata Florida Trust | Professional & scientific | 2006 |
| T.O.P. Forestry Ltd | Agriculture & fishing | 2021 |
| TEL Humphreys Ltd | Agriculture & fishing | 2026 |
| THE Book Booster Limited | Information & communication | 2012 |
| Topdev Ltd | Information & communication | 2016 |
| Welsh Black Beef Direct Limited | Wholesale & retail | 1999 |
| Wyau Evans Eggs Ltd | Agriculture & fishing | 2026 |
| Y Clwb Tregaron Ltd | Hospitality | 2024 |
| Zumrut Adasi Intelligence Limited | Professional & scientific | 2026 |