| 5 | CATERed at Laira Green School | School/college/university | Plymouth City | PL3 6BP |
| 5 | Cafe Indiya | Restaurant/Cafe/Canteen | Plymouth City | PL3 4DR |
| 5 | Cafe Roma Ltd (Mobile Coffee Van LC61DPX ) | Retailers - other | Plymouth City | PL3 |
| 5 | Callywith College | School/college/university | Cornwall | PL31 2GT |
| 5 | Camel Trail Tea Garden | Restaurant/Cafe/Canteen | Cornwall | PL30 5LG |
| 5 | Camelford CP School | School/college/university | Cornwall | PL32 9UE |
| 5 | Camelford Conservative Club | Pub/bar/nightclub | Cornwall | PL32 9PB |
| 5 | Camelford Hardware Store | Restaurant/Cafe/Canteen | Cornwall | PL32 9PB |
| 5 | Camellia House Residential Home | Hospitals/Childcare/Caring Premises | Plymouth City | PL3 4DN |
| 5 | Camelot Castle Hotel | Hotel/bed & breakfast/guest house | Cornwall | PL34 0DQ |
| 5 | Camlann House | Hospitals/Childcare/Caring Premises | Cornwall | PL32 9TT |
| 5 | Cardinham School | School/college/university | Cornwall | PL30 4BN |
| 5 | Caritate Nursing Home | Hospitals/Childcare/Caring Premises | Cornwall | PL30 5JU |
| 5 | Castle Hill House | Hospitals/Childcare/Caring Premises | Cornwall | PL31 2DY |
| 5 | Caterlink @ Bodmin College | School/college/university | Cornwall | PL31 1DD |
| 5 | Caterlink @ Luxulyan School | School/college/university | Cornwall | PL30 5EE |
| 5 | Celtic Produce | Retailers - other | Cornwall | PL31 1AW |
| 5 | Charlies Cafe | Restaurant/Cafe/Canteen | Cornwall | PL34 0DA |
| 5 | Charlies Farmshop | Restaurant/Cafe/Canteen | Cornwall | PL30 4DP |
| 5 | Charlton House Residential Home | Hospitals/Childcare/Caring Premises | Plymouth City | PL3 4SR |
| 5 | Chatsworth Residential Home | Hospitals/Childcare/Caring Premises | Plymouth City | PL3 5BE |
| 5 | Churchtown Cafe | Restaurant/Cafe/Canteen | Cornwall | PL30 3JA |
| 4 | Clann House | Hospitals/Childcare/Caring Premises | Cornwall | PL30 5HD |
| 5 | Cleverchefs @ Bosvena School | School/college/university | Cornwall | PL30 4EW |
| 5 | Cobweb Inn | Pub/bar/nightclub | Cornwall | PL35 0HE |
| 5 | Coby's Cafe | Restaurant/Cafe/Canteen | Cornwall | PL30 4AN |
| 5 | Coffee Shark | Restaurant/Cafe/Canteen | Plymouth City | PL3 4JN |
| 5 | Coffee and donuts | Mobile caterer | Plymouth City | PL3 6EJ |
| 5 | College Lane Fish Bar | Takeaway/sandwich shop | Cornwall | PL31 1HT |
| 5 | Compton Kitchen | School/college/university | Plymouth City | PL3 5JB |
| 5 | Consort House Nursing Home | Hospitals/Childcare/Caring Premises | Plymouth City | PL3 5TX |
| 5 | Copper and Oak Coffee | Manufacturers/packers | Plymouth City | PL3 |
| 4 | Cornish Cupcakes - Home Caterer | Other catering premises | Cornwall | PL31 |
| 5 | Cornish Garage | Retailers - other | Cornwall | PL31 1QH |
| 5 | Cornish Grill | Mobile caterer | Cornwall | PL31 2TS |
| 4 | Cornish Hell Chilli Products | Other catering premises | Cornwall | PL31 |
| 5 | Cornish Maids | Retailers - other | Cornwall | PL32 9PG |
| 5 | Cornish Stores | Retailers - other | Cornwall | PL35 0HE |
| 5 | Cornish Tipi Holidays And Tipi Kitchen | Restaurant/Cafe/Canteen | Cornwall | PL30 3HZ |
| 5 | Cornwalls Regimental Museum | Restaurant/Cafe/Canteen | Cornwall | PL31 1EG |
| 5 | Costa Coffee | Restaurant/Cafe/Canteen | Cornwall | PL31 2JQ |
| Awaiting | Costa Coffee | Restaurant/Cafe/Canteen | Plymouth City | PL3 6RL |
| 5 | Costcutter | Retailers - other | Cornwall | PL31 2HL |
| 5 | Croft Farm Holiday Park Shop | Retailers - other | Cornwall | PL30 5EQ |
| 5 | Cromarty House | Hospitals/Childcare/Caring Premises | Cornwall | PL31 2AF |
| 5 | Crossbow Restaurant | Restaurant/Cafe/Canteen | Cornwall | PL34 0DB |
| 5 | D And D Stores | Retailers - other | Cornwall | PL34 0AJ |
| 5 | D T & S G Collinge | Retailers - other | Cornwall | PL30 5AX |
| 3 | Daily Essentials Bodmin | Retailers - other | Cornwall | PL31 2HR |
| 5 | Deer Park Stores Ltd | Retailers - other | Plymouth City | PL3 6SR |