| AAE Electrical Ltd | Construction | 2024 |
| AG Polytunnels Limited | Construction | 2014 |
| Alan Davies Services Limited | Professional & scientific | 2016 |
| ALEX68 Ltd | Hospitality | 2024 |
| Amata Vita Ltd | Health & social care | 2025 |
| Arundel Militaria Limited | Extraterritorial | 2005 |
| Bates Art Limited | Professional & scientific | 2026 |
| Bates Fine Art-Design Limited | Professional & scientific | 2013 |
| Blackhall Leisure Limited | Administrative & support | 2011 |
| Blain Property Investments Ltd | Real estate | 2020 |
| Bleu Bridal Gowns Limited | Wholesale & retail | 2015 |
| Brembo Brakes UK Limited | Professional & scientific | 1986 |
| Brights' Bespoke Joinery Ltd | Manufacturing | 2016 |
| Bryngydfa Wind Farm Limited | Construction | 2008 |
| Bryntirion Management Company Limited | Households | 2006 |
| Buckhall Farm Ltd | Agriculture & fishing | 2024 |
| Caleb Roberts Financial Management Limited | Financial services | 2009 |
| Caleb Roberts Group Limited | Administrative & support | 2006 |
| Calista Systems Limited | Real estate | 1998 |
| Canny Snacks Ltd | Manufacturing | 2026 |
| Church View Residents (Knighton) Company Limited | Households | 1986 |
| Cognizant Capital Limited | Professional & scientific | 2016 |
| D J Bright Building Contractors Limited | Construction | 2004 |
| Dale Street Mews Limited | Households | 2021 |
| Dark Olive C.I.C. | Arts & recreation | 2016 |
| Dark Veil Media Ltd | Information & communication | 2025 |
| Dumbles Poultry Limited | Agriculture & fishing | 2013 |
| Eova 27 Ltd | Other services | 2025 |
| Esdaile Limited | Wholesale & retail | 2022 |
| Felindre PUB Company Limited | Hospitality | 2003 |
| Festival of Upholstery Ltd | Administrative & support | 2025 |
| Flora Direct Limited | Wholesale & retail | 2013 |
| Form Fighter Ltd | Information & communication | 2024 |
| G R P AXE Racing Ltd | Arts & recreation | 2022 |
| Gilmour Technology Ltd | Information & communication | 2026 |
| Godber Properties Ltd | Real estate | 2023 |
| Gotrow Ltd | Financial services | 2017 |
| Gravion Group Ltd | Information & communication | 2024 |
| H M & S L Williams Limited | Hospitality | 2013 |
| Hcms Bar Limited | Hospitality | 2017 |
| Heathstud Ltd | Agriculture & fishing | 2015 |
| Heathtech Ltd | Energy | 2015 |
| Hendre Poultry Limited | Agriculture & fishing | 2013 |
| Hermit Ltd | Professional & scientific | 2018 |
| Hewins Cleaning Services Ltd | Agriculture & fishing | 2020 |
| Hill Cottage Retreats Limited | Hospitality | 2014 |
| Hopes Castle Limited | Real estate | 2022 |
| Ibis Health Care Limited | Construction | 2011 |
| J H Garnier & Associates Limited | Professional & scientific | 1999 |
| J T Lewis Electrical Limited | Construction | 2023 |
| Jhall Property Limited | Real estate | 2025 |
| JRJ Lettings Ltd | Construction | 1948 |
| K & S Toilets Ltd | Administrative & support | 2008 |
| K Anderson & Co Limited | Professional & scientific | 2014 |
| Kamiph Investments Limited | Real estate | 2015 |
| Karen Wilding Education Limited | Education | 2012 |
| Kinsley Holdings Limited | Financial services | 2022 |
| Kmbt Enterprises Limited | Real estate | 2020 |
| Knighton Classics Limited | Wholesale & retail | 2012 |
| Knighton Community Woodlands Group | Agriculture & fishing | 2010 |
| Knighton Festival CIC | Arts & recreation | 2026 |
| Knighton Flower Box Ltd | Wholesale & retail | 2020 |
| Knighton Motor Club Limited | Arts & recreation | 2004 |
| Knighton Steel Frame Buildings Limited | Construction | 2012 |
| Knighton Taxis Limited | Transport & logistics | 2008 |
| Knighton Woodland Tots CIC | Education | 2020 |
| Kovar Books Ltd | Information & communication | 2026 |
| Lanotech Ltd | Professional & scientific | 2024 |
| Leaf Life Living Limited | Wholesale & retail | 2022 |
| Lkelly Limited | Construction | 2025 |
| Llanshay Farm Limited | Agriculture & fishing | 2017 |
| Lords Land Management Company Limited | Other services | 2003 |
| LT Machines Ltd | Manufacturing | 2011 |
| Lukelte Limited | Other services | 2023 |
| MAD About Handling Ltd | Administrative & support | 2008 |
| Milebrook Ltd | Hospitality | 2021 |
| Mintr Technologies Ltd | Information & communication | 2025 |
| MIR Borehole Services Ltd | Construction | 2025 |
| Morgan Home Restorations Limited | Real estate | 2025 |
| One Stop Bargains 24/7 Ltd | Wholesale & retail | 2020 |
| Owen's Motors Limited | Transport & logistics | 1959 |
| P & J Caine Limited | Wholesale & retail | 2008 |
| Personal Asset Management Limited | Financial services | 2003 |
| Personal Asset Management Wealth Limited | Financial services | 2023 |
| Phil Price Rallying Limited | Arts & recreation | 2007 |
| Pj's Surveying Services Limited | Professional & scientific | 1998 |
| Powys Refrigeration Services Ltd | Other services | 2017 |
| Powys-Radnor County Federation of Women's Institutes | Other services | 1992 |
| Priday Limited | Construction | 2020 |
| Primrose Homecare Services Limited | Health & social care | 2022 |
| Quest Arts Interactive Limited | Information & communication | 2008 |
| R & S Edwards Ltd | Extraterritorial | 2014 |
| Radnor Hills Holdings Limited | Manufacturing | 2020 |
| Red Holdco Ltd | Real estate | 2021 |
| Restorella Limited | Extraterritorial | 2017 |
| Roberts Transport (Knighton) Limited | Professional & scientific | 1959 |
| Rytac Limited | Health & social care | 2023 |
| Saffron Contemporary Restaurant Limited | Hospitality | 2010 |
| Salt Letting Ltd | Real estate | 2003 |
| Sarah Myhill Limited | Health & social care | 2002 |