C
- Checks Unlimited
- Converse
- Cyberlink
- Catherines
- Campus Book Rentals
- Cheryl's Cookies
- CyberGhost VPN
- Columbia Sportswear
- Corsair
- Check into Cash
- Cigabuy
- Charles & Colvard
- Charleskeith
- Cute Booty Lounge
- Casetify
- Central Vapors
- Crocs
- Cettire
- Cotton On
- CLEAR
- Crocus
- CEWE Photoworld
- Cat and the Fiddle
- Cookware Brands
- carethy.co.uk
- Clearly Contacts
- Croma
- Chaco
- Coursera
- Cat Footwear
- Coolwinks
- Cargo Works
- Colin F Watson
- Church Source
- Cici Hot
- Cycle Surgery
- Chelsea Megastore
- Chain Reaction Cycles
- Cat phones
- Coop Home Goods