| A T FOX Properties Ltd | Real estate | 2025 |
| Advance Energy Services Ltd | Construction | 2016 |
| Big Wheelers (South Wales) Limited | Education | 2003 |
| Care Cymru Services Limited | Health & social care | 2002 |
| CDA Care Limited | Administrative & support | 2018 |
| City Energy Facilities Management Limited | Construction | 2021 |
| City Energy Network Limited | Construction | 2011 |
| Deluxe Home Care Ltd | Health & social care | 2012 |
| Easicook Microwave Limited | Manufacturing | 1977 |
| ET Ultra AD Astra Limited | Other services | 2017 |
| Everywoman Fest Limited | Education | 2022 |
| Foster Care Group Wales CYF | Health & social care | 2000 |
| Frances Media Limited | Information & communication | 2016 |
| Glam Student LET Ltd | Real estate | 2012 |
| Health and Sports Physiotherapy Limited | Health & social care | 2008 |
| Heatforce (Wales) Limited | Other services | 2001 |
| Homepride Kitchens (Cardiff) Limited | | 1988 |
| Learning Disability Wales - Anabledd Dysgu Cymru | Other services | 1988 |
| Liberty Marketing Group Limited | Extraterritorial | 2021 |
| Logrosan Minerals Limited | Administrative & support | 2012 |
| M.J.O.C Builder and Drivers Ltd | Construction | 2018 |
| Melyn Legal Limited | Professional & scientific | 2022 |
| Mirus-Wales | Health & social care | 1985 |
| Prosports Medicine Limited | Health & social care | 2020 |
| Reginald Moore Limited | Construction | 1946 |
| Relco Excavations Limited | Wholesale & retail | 1987 |
| Simply Electric Metering Limited | Information & communication | 2015 |
| Skin and Face Beauty Clinics Ltd | Other services | 2023 |
| Skin and Face Clinics Limited | Health & social care | 2011 |
| Stacey Hawkes Consulting Limited | Professional & scientific | 2023 |
| Weeks Wholesale (Holdings) Limited | Financial services | 2023 |
| Weeks Wholesale Meat Company Limited | Wholesale & retail | 1982 |
| Wetrack Ltd | Administrative & support | 2012 |