| Advertigo Design Ltd | Professional & scientific | 2024 |
| Ateb Limited | Information & communication | 1999 |
| Beili GOF Renewable Energy Ltd | Energy | 2016 |
| Bloomkind CIC | Education | 2025 |
| Bluebells Flowers Ltd | Wholesale & retail | 2026 |
| Brett & Watson Investments Ltd | Information & communication | 2019 |
| Carreg Llwyd Place Management Limited | Households | 2020 |
| Croeso Grwp Ltd | Hospitality | 2023 |
| Croeso Restaurants and Bars Ltd | Hospitality | 2023 |
| CW Satcoms Ltd | Information & communication | 2026 |
| Data Portcullis Limited | Information & communication | 2013 |
| Denturekraft Ltd | Manufacturing | 2025 |
| DJE Electrical Contractors Limited | Construction | 2022 |
| Doldowlod Caravan Park Limited | Hospitality | 2011 |
| Dolybont Residents Limited | Households | 1992 |
| Elan EAT Limited | Hospitality | 2022 |
| Elan Property Services Ltd | Real estate | 2022 |
| Elan Stay Limited | Hospitality | 2022 |
| Elan Valley Limited | Agriculture & fishing | 2014 |
| Eyecare Everywhere Ltd | Health & social care | 2015 |
| Giftsforyouandme Ltd | Wholesale & retail | 2026 |
| Glanyrafon Cottages Limited | Hospitality | 2019 |
| Guardian Business Systems Limited | Information & communication | 1993 |
| Hill Walking Outdoor Wear Ltd | Wholesale & retail | 2023 |
| Holidayswales Limited | Administrative & support | 2021 |
| Hunters Home Collective Ltd | Construction | 2024 |
| IAN Ward Limited | Construction | 2004 |
| IAT Limited | Construction | 1998 |
| Ideas Transfer Limited | Professional & scientific | 1997 |
| J E Owen Ltd | Transport & logistics | 2024 |
| Jspb Ltd | Construction | 2018 |
| JWK Green Haven Ltd | Hospitality | 2025 |
| Lawzam Holdings Limited | Professional & scientific | 2002 |
| Lawzam Limited | Hospitality | 1999 |
| Llan Holiday Park Ltd | Hospitality | 2020 |
| LON Developments Limited | Agriculture & fishing | 2005 |
| MID Wales Holiday Lets Ltd | Hospitality | 2022 |
| MID Wales Inn Pantydwr Ltd | Hospitality | 2018 |
| MID Wales Medical Services Ltd | Health & social care | 2023 |
| ML Rail Systems Limited | Wholesale & retail | 2008 |
| Narrative Coffee Limited | Hospitality | 2024 |
| Oakwood House Properties Limited | Hospitality | 2019 |
| Pocket Teacher Ltd | Information & communication | 2017 |
| Prowool Insulation Ltd | Wholesale & retail | 2026 |
| R & a Developments (Powys) Limited | Construction | 2020 |
| RC Owen Poultry Ltd | Wholesale & retail | 2026 |
| Rhayader & District Community Support | Health & social care | 2006 |
| Rhayader & District Motor Cycle & Light Car Club Limited | Arts & recreation | 1988 |
| Rhayader 2000 Limited | Information & communication | 2001 |
| Rhayader Engraving Ltd | Manufacturing | 2023 |
| Rhayader Four Wheel Drive Limited | Wholesale & retail | 2003 |
| Rhayader Precision Limited | Manufacturing | 2010 |
| Rhayader Taxis Ltd | Transport & logistics | 2023 |
| Rhosllyn Developments Limited | Construction | 2012 |
| Rhosllyn Retreats Limited | Hospitality | 2022 |
| Specialist Supplements Limited | Wholesale & retail | 2001 |
| SRP Contracting Limited | Administrative & support | 2015 |
| STL Investments Limited | Hospitality | 2025 |
| THE Blackthorne Trust Limited | Agriculture & fishing | 2023 |
| THE Elan Hotel Rhayader Ltd | Hospitality | 2010 |
| THE Lost ARC CIC | Arts & recreation | 2015 |
| THE Wild Adoptees CIC | Health & social care | 2025 |
| Timescape Archaeology CIC | Professional & scientific | 2024 |
| Tourism, Marketing & Intelligence Limited | Professional & scientific | 1999 |
| Twin Lakes Developments Limited | Construction | 2023 |
| Velo Transport Ltd | Transport & logistics | 2023 |
| Vivek James Ltd | Health & social care | 2021 |
| Vulcan Lodge Limited | Hospitality | 2012 |