| Abberton Media Limited | Professional & scientific | 2024 |
| Access Paving Limited | Administrative & support | 2008 |
| Adventure Bike Experience Ltd | Arts & recreation | 2018 |
| Ampersand Broadcasting Ltd | Information & communication | 2017 |
| Andy's Bread Ltd | Manufacturing | 2016 |
| Apricot Forest Ltd | Health & social care | 2016 |
| Argocat Limited | Financial services | 2002 |
| Asgard Property Limited | Households | 2023 |
| Benji & Co Contracting Limited | Administrative & support | 2003 |
| Benji & Co. Limited | Administrative & support | 2001 |
| Benji Group Limited | Professional & scientific | 2021 |
| Beyond Breakout Ltd | Arts & recreation | 2020 |
| Birch Banc Retreats Limited | Hospitality | 2025 |
| BMJ Plumbing & Heating Limited | Construction | 2002 |
| Bradleys' Garage (Newtown) Limited | Wholesale & retail | 1978 |
| Bradleys' Properties Limited | Real estate | 2012 |
| Bulk Automation Limited | Professional & scientific | 2018 |
| Bulk Holdings Ltd | Professional & scientific | 2019 |
| C & C Drilling Solutions Limited | Construction | 2016 |
| Cafe Mila's Ltd | Hospitality | 2026 |
| Cairlea Consulting Ltd | Professional & scientific | 2026 |
| Cairlea Investments Ltd | Professional & scientific | 2026 |
| Celtic Travel (Llanidloes) Limited | Transport & logistics | 2011 |
| Celtic Travel Holidays Ltd | Administrative & support | 2018 |
| Chameleon Services (Forest and Farm) Ltd | Agriculture & fishing | 2022 |
| Cinearth Limited | Professional & scientific | 2025 |
| Clochfaen Estate Limited | Professional & scientific | 2005 |
| Cobalt Industry Limited | Construction | 2024 |
| Countryside Financial Services Ltd | Professional & scientific | 2018 |
| Crown & Anchor Inn Llanidloes Limited | Hospitality | 2017 |
| D W Jerman Electrical Contractors Limited | Construction | 2015 |
| Daffodil Kebab House Ltd | Hospitality | 2024 |
| Dakota Blue Ltd. | Extraterritorial | 2011 |
| DAN Y SER Glamping Ltd | Hospitality | 2026 |
| Dashwell Ltd | Real estate | 2026 |
| Dragon Solutions (Holdings) Limited | Professional & scientific | 2012 |
| Dragon Solutions Limited | Professional & scientific | 2003 |
| Dragon Steel Fabrications Ltd | Manufacturing | 2013 |
| Draigos Ltd | Hospitality | 2024 |
| Edward Hamer Limited | Professional & scientific | 1978 |
| Embody Interactive Ltd | Other services | 2002 |
| Ephesea UK | Other services | 2009 |
| Ethical Change Limited | Administrative & support | 2009 |
| Evrow Ltd | Construction | 2017 |
| F. J. Hough Limited | Hospitality | 2003 |
| Felindre Hydro Ltd | Energy | 2014 |
| Flooring MAN Commercial Ltd | Construction | 2021 |
| Fourth Dimension Design Limited | Manufacturing | 2003 |
| Freedgen Ltd | Construction | 2025 |
| Fullbrook Solutions Ltd | Professional & scientific | 2019 |
| Gimme Strength Ltd | Wholesale & retail | 2025 |
| Gorn Farm Limited | Agriculture & fishing | 2026 |
| Great Oak Foods Limited | Wholesale & retail | 2002 |
| Great Oak Trust Ltd | Administrative & support | 2024 |
| Griffiths & Jones Building Contractors Limited | Construction | 2005 |
| GWE Trucks Ltd | Wholesale & retail | 2007 |
| H G Rees Limited | Agriculture & fishing | 2016 |
| Hafren Furnishers Limited | Wholesale & retail | 1975 |
| Halcyon Leisure Ltd | Hospitality | 2020 |
| Haylstones Limited | Real estate | 2016 |
| Hewitt Development Corp Ltd | Construction | 2018 |
| Hind Group Limited | Hospitality | 2022 |
| Hiraeth Llanidloes Ltd | Hospitality | 2024 |
| Hiram Holdings Ltd | Professional & scientific | 2026 |
| Hirnant Limited | Agriculture & fishing | 2009 |
| Hughes Trailers Ltd | Manufacturing | 2025 |
| Hywel Evans Fabrications Limited | Manufacturing | 2018 |
| IAN Hughes Monumental Mason Limited | Other services | 2018 |
| Idlose Stage Crew Ltd. | Arts & recreation | 2024 |
| Impact Business Accounting Ltd | Administrative & support | 2018 |
| Ince & Chen Limited | Information & communication | 2018 |
| Ince Web Services Limited | Professional & scientific | 2001 |
| IT Stress Free Ltd | Information & communication | 2004 |
| Jachin Properties Ltd | Real estate | 2022 |
| JCM Construction (Shropshire) Ltd | Construction | 2018 |
| JLP Ashton Ltd | Agriculture & fishing | 2023 |
| Jpfm IT Solutions Ltd | Information & communication | 2026 |
| Kaysea Property Ltd | Real estate | 2020 |
| L.L.A.N.I. Limited | Other services | 2002 |
| Lawtaola Limited | Hospitality | 2023 |
| Little Heroes Nursery Ltd | Health & social care | 2020 |
| Llangurig Community Centre Limited | Real estate | 2014 |
| Llani Community Centre Limited | Administrative & support | 2017 |
| Llanidloes and District Angling Association Ltd | Manufacturing | 2007 |
| Llanidloes Dental Practice Limited | Health & social care | 2011 |
| Llanidloes Fish Kebab Bar Ltd | Hospitality | 2014 |
| Llanidloes Odontology Limited | Health & social care | 2023 |
| Llynyfan Ltd | Agriculture & fishing | 2024 |
| Lone Wolf Television Limited | Information & communication | 2005 |
| M & S Property Huntingdon Limited | Construction | 2020 |
| Maesmawr Renewables Ltd | Energy | 2015 |
| Matt Brown Plumbing & Heating Ltd. | Construction | 2016 |
| Matt Maddocks Ltd | Arts & recreation | 2013 |
| Mid-Wales Welded Productions Limited | Manufacturing | 1981 |
| Minfford Estates Limited | Real estate | 2023 |
| Mini Heroes Ltd | Health & social care | 2024 |
| Nanthir Limited | Information & communication | 2006 |
| Natural Foods Llanidloes Ltd | Wholesale & retail | 2002 |
| Nuthatch Properties Ltd | Construction | 2008 |
| Oak Shop Pets Ltd | Wholesale & retail | 2025 |