| 3DE Consulting Ltd | Professional & scientific | 2019 |
| Ammo Developments Limited | Real estate | 2024 |
| Boai Limited | Information & communication | 2025 |
| CAD Services Limited | Administrative & support | 2002 |
| CAM Supplies & Services Limited | Information & communication | 2010 |
| Crossroads Service Station (J35) Limited | Wholesale & retail | 1998 |
| D41 Services Ltd | Construction | 2026 |
| Davies Financial Limited | Financial services | 2005 |
| Dragon TV Studios Wales Limited | Real estate | 2025 |
| Dunning Accountancy & Taxation Services Limited | | 1992 |
| Facilities by ADF PLC | Administrative & support | 2021 |
| Farncroft Limited | Transport & logistics | 1989 |
| Flowers by Romy Ltd | Wholesale & retail | 2023 |
| Fresh Start (Wales) Properties Limited | Real estate | 2013 |
| Furnitrim Limited | Manufacturing | 2011 |
| Griffin Property Holdings Ltd | Real estate | 2024 |
| Heathwood Court Management Company Limited | Households | 2004 |
| Hendre Enterprises Limited | Transport & logistics | 2025 |
| Hendre Foods Ltd | Hospitality | 2024 |
| Hotspur Asset Management Limited | Extraterritorial | 2011 |
| Just Cuts (Pencoed) Limited | Other services | 2018 |
| Kakkaa Kakkaa Ltd | Hospitality | 2026 |
| L G Asset Management Limited | Extraterritorial | 2011 |
| LEX Diagnostics Limited | Professional & scientific | 2020 |
| Lifting Transport Training Services Ltd | Education | 2024 |
| LJ Sakura Ltd | Other services | 2019 |
| Lux-Tsi Limited | Professional & scientific | 2010 |
| Masonway Limited | | 1988 |
| Matrix Biohazard Services Limited | Water & waste | 2008 |
| Matrix Facilities Group Ltd | Financial services | 2023 |
| Matrix Specialist Services Ltd | Administrative & support | 2023 |
| Matrix Workplace Services Ltd | Water & waste | 2017 |
| Maxi MLM Holdings Limited | Financial services | 2020 |
| Megaray Aerial & Satellite Services Limited | Information & communication | 2008 |
| MEL & RON Watkins Funeral Services Ltd | Other services | 2026 |
| Netsys Solutions Ltd | Information & communication | 2009 |
| Noble Dinner Limited | Hospitality | 2022 |
| Norton Pond & Garden Centre Ltd | Transport & logistics | 2005 |
| Nova Engineering Solutions Ltd | Manufacturing | 2024 |
| Nytram Group Limited | Professional & scientific | 2023 |
| Paul Munson & Co LLP | | 2021 |
| Pencoed Car Valeting Ltd | Administrative & support | 2023 |
| Pencoed Tyres Limited | Wholesale & retail | 2004 |
| PIA & Co Professional Ltd | Other services | 2022 |
| Project Solutions 360 Ltd | Construction | 2025 |
| Red Property Development & Maintenance Limited | Real estate | 2010 |
| Resk Marketing Ltd | Wholesale & retail | 2009 |
| Rolling INK Limited | Arts & recreation | 2020 |
| Rowan Tree Scientific Limited | Information & communication | 2021 |
| RS Building Consultancy Limited | Professional & scientific | 2015 |
| Sinclair Mobile Service Vehicle Limited | Wholesale & retail | 2024 |
| ST. Mary's Golf Club Limited | Hospitality | 1989 |
| ST. Mary's Hotel, Golf and Country Club Limited | Hospitality | 2011 |
| Sterling & Co Designs Ltd | Professional & scientific | 2025 |
| SW Maintenance & Education Ltd | Education | 2024 |
| THE Energy Saving Hub Ltd | Construction | 2026 |
| TSF Contracts Limited | Construction | 2015 |