| 4BARSREST.COM Limited | Administrative & support | 2002 |
| Afon Community Trust | Professional & scientific | 2011 |
| Airfield Lighting Systems Limited | Manufacturing | 2003 |
| Alliance Marketing Agency Limited | Professional & scientific | 2017 |
| Amotio Ltd | Manufacturing | 2024 |
| Ardal Homes Limited | Construction | 2011 |
| Beacon Books & Crafts Limited | Wholesale & retail | 1986 |
| Beckhill Engineering Limited | Manufacturing | 1998 |
| C P Contracts SW Limited | Construction | 2024 |
| C.Gibbs Roofing Ltd | Construction | 2022 |
| Carpedeem Limited | Information & communication | 2006 |
| Concept Consultants Limited | Professional & scientific | 2010 |
| County Contractors Maintenance Services Limited | Construction | 2003 |
| Facilities Maintenance Group Limited | Construction | 2003 |
| Freight Logistics Solutions Limited | Transport & logistics | 2016 |
| HME Property Company Limited | Real estate | 2025 |
| Home Care Maintenance Limited | Construction | 2003 |
| JG Cardiff Ltd | Other services | 2020 |
| Minibus Limited | Wholesale & retail | 2007 |
| Mosswood Industrial Supplies Limited | Wholesale & retail | 2003 |
| Mygrant Limited | Extraterritorial | 2005 |
| Peloha Veterinary Services Limited | Professional & scientific | 2014 |
| Pontypool Glazing Limited | Construction | 2003 |
| Pride Developments Group Ltd | Construction | 2024 |
| Rehmat Spice Ltd | Hospitality | 2021 |
| Reldas Headgrade Limited | Wholesale & retail | 1972 |
| Rhino GOO Limited | Administrative & support | 2010 |
| Ritech Limited | Information & communication | 2003 |
| Robins Agile Solutions Limited | Information & communication | 2022 |
| Terry Mahoney Traffic Services Limited | Transport & logistics | 2001 |
| Torfaen Properties Ltd | Construction | 2007 |
| V.A. Peterson (Funeral Service) Limited | Other services | 1961 |
| Vale Design Partnership LLP | | 2020 |