| Oaklands Property Management (South and West) Limited | Real estate | 2010 |
| Oaklands Property Management (Sussex) Limited | Real estate | 2010 |
| Oakway Court RTM Company Limited | Extraterritorial | 2009 |
| Orgwood Ltd | Health & social care | 2015 |
| Orion Firearms Training Ltd | Administrative & support | 2014 |
| Park Dairies Limited | Agriculture & fishing | 2010 |
| Pater Filia Investments Ltd | Real estate | 2022 |
| PD Llani Dentist Limited | Health & social care | 2024 |
| Penybanc Holdings Limited | Construction | 2024 |
| Penybanc Woods Limited | Construction | 2004 |
| Prosper 2020 Limited | Real estate | 2020 |
| R.S.C.T. (F.J.) Limited | Professional & scientific | 2021 |
| RDI Scott & Co Limited | Professional & scientific | 2008 |
| Red Lion (Llanidloes) Ltd | Hospitality | 2026 |
| Ruthven-Stuart Associates Ltd | Professional & scientific | 1998 |
| Saltdean Estate Company Limited | Construction | 2018 |
| Sanda Nominees Limited | Professional & scientific | 2018 |
| Servernet IT Limited | Information & communication | 2005 |
| Simon Moorhouse Bespoke Joinery Limited | Construction | 2019 |
| Sityu Ltd | Manufacturing | 2017 |
| Splinky Limited | Information & communication | 2013 |
| Sussex Home Services Limited | Real estate | 2002 |
| T H Evans Timber Limited | Agriculture & fishing | 2004 |
| T&K Property (Llani) Ltd | Real estate | 2025 |
| T. E. W. M. Limited | Energy | 2020 |
| THE Angel Llanidloes Limited | Hospitality | 2025 |
| THE Cake Studio by Alison Kenlock Ltd | Wholesale & retail | 2021 |
| THE Football Jersey Company Ltd | Wholesale & retail | 2025 |
| THE Lemon Tree Candle Company Limited | Manufacturing | 2020 |
| THE Mount Inn Ltd | Hospitality | 2014 |
| THE Old Goginan Mine CIC | Education | 2026 |
| THE Quilt Association Limited | Arts & recreation | 1996 |
| THE Travellers Rest Llanidloes Ltd | Wholesale & retail | 2025 |
| THE Whistling Badger Limited | Hospitality | 2017 |
| Tristan Hollis Consulting Limited | Information & communication | 2020 |
| Tsavage Investments Ltd | Real estate | 2026 |
| Twos Company Investments Limited | Real estate | 2016 |
| Vekta Limited | Information & communication | 2025 |
| Weaving Yarn Limited | Wholesale & retail | 2022 |
| Wilderness Trust (Wales) Ltd | Education | 2021 |
| WYE View Limited | Hospitality | 2014 |