| 5 | Brigstock Guest House | Hotel/bed & breakfast/guest house | Conwy | LL30 2UG |
| 5 | Britannia Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 1BG |
| 5 | Broadway Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 1YL |
| 5 | Bromwell Court Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 1BG |
| 5 | Bron Orme Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 2HL |
| 5 | Bryn Derwen Guest House | Hotel/bed & breakfast/guest house | Conwy | LL30 2EE |
| 5 | Bryn Goleu Bed and Breakfast | Hotel/bed & breakfast/guest house | Conwy | LL30 3BD |
| 5 | Bryn Rosa Guest House | Hotel/bed & breakfast/guest house | Conwy | LL30 2EA |
| 5 | Bryn Y Mor Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 2LP |
| Awaiting | Burgers & burrito grill | Restaurant/Cafe/Canteen | Conwy | LL30 2PE |
| 5 | Burleigh House Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 2HD |
| 5 | Cae Mor Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 1BA |
| 3 | Cafe Culture | Restaurant/Cafe/Canteen | Conwy | LL30 2NN |
| 5 | Cafe Fleur | Restaurant/Cafe/Canteen | Conwy | LL30 2UU |
| 5 | Cafe W | Restaurant/Cafe/Canteen | Conwy | LL30 2NG |
| 5 | Caffe Nero | Restaurant/Cafe/Canteen | Conwy | LL30 2PD |
| 5 | Caffi Cynefin | Mobile caterer | Conwy | LL30 |
| 5 | Cake heaven @67 | Other catering premises | Conwy | LL30 |
| 5 | Cakes by Roxy | Other catering premises | Conwy | LL30 |
| 5 | Can-y-Bae | Hotel/bed & breakfast/guest house | Conwy | LL30 1AR |
| 5 | Candles | Restaurant/Cafe/Canteen | Conwy | LL30 2YA |
| 1 | Canolfan Riviere | Hospitals/Childcare/Caring Premises | Conwy | LL30 1TL |
| 5 | Carlo's | Restaurant/Cafe/Canteen | Conwy | LL30 1LJ |
| 5 | Carmel House Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 1BG |
| 2 | Carmens Asian Mini Market | Retailers - other | Conwy | LL30 1YU |
| 5 | Casa Pizzavan | Mobile caterer | Conwy | LL30 |
| 5 | Casanova Italian Restaurant Ltd | Restaurant/Cafe/Canteen | Conwy | LL30 2SY |
| 5 | Cask and Apple | Pub/bar/nightclub | Conwy | LL30 1YS |
| 5 | Caterplus @ RMBI - Queen Elizabeth Court | Hospitals/Childcare/Caring Premises | Conwy | LL30 1TR |
| Exempt | Cats Protection - Llandudno Charity Shop | Other catering premises | Conwy | LL30 2NN |
| Awaiting | Cece mini market | Retailers - other | Conwy | LL30 2NR |
| 5 | Cedar Lodge | Hotel/bed & breakfast/guest house | Conwy | LL30 2YB |
| 5 | Cegin Fach Cymreig | Other catering premises | Conwy | LL30 |
| 5 | Characters Tea House and Restaurant | Restaurant/Cafe/Canteen | Conwy | LL30 2ER |
| 3 | Chatsworth House Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 2XS |
| 5 | Cheshire Pie Wales | Other catering premises | Conwy | LL30 2LP |
| 5 | Cheung Street Food & Roasts | Takeaway/sandwich shop | Conwy | LL30 1LH |
| Awaiting | Cheung’s street food and roasts | Restaurant/Cafe/Canteen | Conwy | LL30 2ER |
| 5 | Chilterns | Hotel/bed & breakfast/guest house | Conwy | LL30 2YB |
| 5 | Chish N Fips | Takeaway/sandwich shop | Conwy | LL30 1LQ |
| 5 | Christleton House | Hotel/bed & breakfast/guest house | Conwy | LL30 2ER |
| 5 | Cleave Court Guest House | Hotel/bed & breakfast/guest house | Conwy | LL30 2YY |
| 5 | Clement House | Other catering premises | Conwy | LL30 |
| 5 | Cliffbury Guest House | Hotel/bed & breakfast/guest house | Conwy | LL30 2UH |
| Awaiting | Clifton House Newsagents | Retailers - other | Conwy | LL30 2PE |
| 5 | Clontarf Hotel | Hotel/bed & breakfast/guest house | Conwy | LL30 2AR |
| 5 | Club 147 | Pub/bar/nightclub | Conwy | LL30 2PE |
| 5 | Co-operative Group | Retailers - supermarkets/hypermarkets | Conwy | LL30 1YS |
| 5 | Co-operative Group | Retailers - supermarkets/hypermarkets | Conwy | LL30 3NL |
| 5 | Coast Cafe Llandudno | Restaurant/Cafe/Canteen | Conwy | LL30 3AA |