| 1 Plant Solutions Limited | Administrative & support | 2024 |
| 4JZ Holdings Ltd | Financial services | 2024 |
| Berry Solutions Ltd | Construction | 2020 |
| Bombay Spice (ST Clears) Ltd | Hospitality | 2018 |
| DHT Consultancy Limited | Professional & scientific | 2010 |
| DP Butchers Limited | Manufacturing | 2018 |
| Galerie Simpson Ltd | Wholesale & retail | 2012 |
| Go Wild Adventures Ltd | Hospitality | 2011 |
| Great Welsh Estates Management Ltd | Real estate | 2025 |
| Grkl Holdings Ltd | Real estate | 2025 |
| Hazel's Hairdressing Salon Limited | Other services | 2012 |
| Intergra Project Management Limited | Professional & scientific | 2012 |
| Joseph Booth (Haulage) Ltd | Transport & logistics | 2014 |
| Karizma Barbers ST Clears Ltd | Other services | 2025 |
| Laugharne RFC Ltd | Arts & recreation | 2025 |
| Lewis Lewis & Company (Carmarthen) Limited | Professional & scientific | 2016 |
| Lewis Lewis & Company Limited | Professional & scientific | 2004 |
| NEO (West Wales) Ltd | Construction | 2025 |
| Penycoed Farms Limited | Agriculture & fishing | 2002 |
| Rakumania Ltd | Education | 2024 |
| RDO Inspection Solutions Ltd | Professional & scientific | 2021 |
| ST Clears Dental Studio Ltd | Health & social care | 2022 |
| St.Clears Rugby Football Club Ltd | Arts & recreation | 2005 |
| Staakin Ltd | Real estate | 2024 |
| Tooby and Williams Limited | Wholesale & retail | 1977 |
| Will Jones Engineering Services Ltd | Professional & scientific | 2022 |
| Williams Rental Limited | Construction | 2014 |