| 5 | Catering Dynamics | Mobile caterer | Newport | NP19 4PN |
| 5 | Celtic Catering @ Bisley | Restaurant/Cafe/Canteen | Newport | NP19 4PW |
| 5 | Chai & Things | Retailers - other | Newport | NP19 4SL |
| 5 | Chartwells @ Alway Primary School | School/college/university | Newport | NP19 9QP |
| 5 | Chartwells @ Eveswell Primary School | School/college/university | Newport | NP19 8GX |
| 5 | Chartwells @ Glan Llyn | School/college/university | Newport | NP19 4EB |
| 5 | Chartwells @ Glan Usk Primary School | School/college/university | Newport | NP19 7HF |
| 5 | Chartwells @ Lliswerry High School | School/college/university | Newport | NP19 4RP |
| 5 | Chartwells @ Lliswerry Primary School | School/college/university | Newport | NP19 4NG |
| 5 | Chartwells @ Maindee Primary School | School/college/university | Newport | NP19 0AP |
| 5 | Chartwells @ Milton Junior & Infants School | School/college/university | Newport | NP19 9HB |
| 5 | Chartwells @ Ringland Primary School | School/college/university | Newport | NP19 9LU |
| 5 | Chartwells @ Somerton Junior & Infants School | School/college/university | Newport | NP19 9AB |
| 5 | Chartwells @ St Andrews Primary School | School/college/university | Newport | NP19 0GP |
| 5 | Chartwells @ St Gabriels Junior And Infants School | School/college/university | Newport | NP19 9PQ |
| 5 | Chartwells @ St Josephs Primary School | School/college/university | Newport | NP19 8FW |
| 5 | Chartwells @ St Julians Comprehensive School | School/college/university | Newport | NP19 7XU |
| 4 | Chartwells @ St Julians Primary School | School/college/university | Newport | NP19 7UB |
| 5 | Chartwells @ St Patricks RC School | School/college/university | Newport | NP19 0HR |
| 5 | Chicken Shack | Takeaway/sandwich shop | Newport | NP19 0DZ |
| 5 | Chicky Friday's | Takeaway/sandwich shop | Newport | NP19 8BY |
| 5 | Chixy Chicken | Takeaway/sandwich shop | Newport | NP19 8GE |
| 5 | Chloe's Cake Studio | Other catering premises | Newport | NP19 |
| 5 | Chloe's Creations | Other catering premises | Newport | NP19 |
| 5 | Cineworld Cinemas | Retailers - other | Newport | NP19 4QR |
| 5 | Claire Louise Cake Studio | Other catering premises | Newport | NP19 |
| Exempt | Claire's Accessories | Retailers - other | Newport | NP19 4QQ |
| 5 | Clarence Food And Wine | Retailers - other | Newport | NP19 0AE |
| 4 | Coles Bakery | Manufacturers/packers | Newport | NP19 4SJ |
| Exempt | Columba Club | Pub/bar/nightclub | Newport | NP19 0GN |
| 5 | Community House Presbyterian Church | Other catering premises | Newport | NP19 0BL |
| 5 | Copper Pig Grazing | Other catering premises | Newport | NP19 |
| 5 | Coriander | Takeaway/sandwich shop | Newport | NP19 8LD |
| 5 | Corpa Cafe | Restaurant/Cafe/Canteen | Newport | NP19 0FN |
| 5 | Costa Ltd | Restaurant/Cafe/Canteen | Newport | NP19 4QQ |
| 5 | Costcutter | Retailers - other | Newport | NP19 9HQ |
| 5 | Countychildcare Glan Llyn | Hospitals/Childcare/Caring Premises | Newport | NP19 4EB |
| 5 | Crafts By Ceri | Other catering premises | Newport | NP19 |
| Exempt | Crazy Caterpillars | Hospitals/Childcare/Caring Premises | Newport | NP19 |
| Awaiting | Crepe Delights | Other catering premises | Newport | NP19 8GE |
| 3 | Crispy Cod | Takeaway/sandwich shop | Newport | NP19 9HG |
| 5 | Crosshands Convenience Store And Post Office | Retailers - other | Newport | NP19 8JH |
| 5 | Crown Inn | Pub/bar/nightclub | Newport | NP19 8FU |
| 5 | Crumbles Vintage Kitchen | Other catering premises | Newport | NP19 |
| Awaiting | Crème De Cocoa | Restaurant/Cafe/Canteen | Newport | NP19 8BY |
| 3 | Cylch Meithrin Y Delyn | Hospitals/Childcare/Caring Premises | Newport | NP19 7DW |
| 5 | D Gibbon And Sons | Manufacturers/packers | Newport | NP19 0RD |
| 5 | Danygraig Nursing Home | Hospitals/Childcare/Caring Premises | Newport | NP19 9DF |
| 5 | Dazzling Choices | Other catering premises | Newport | NP19 |
| 5 | Dean Street Social Club | Pub/bar/nightclub | Newport | NP19 7FB |