U
- Ubuy
- Udemy
- Under Armour
- Ulike
- Unstoppable Domains
- Ulike UK
- Ulta
- UTA Bookstore
- UNIQLO
- Urban Outfitters
- Urban Outfitters UK
- UGA Bookstore
- UND Bookstore
- University of Florida Bookstore
- University of Miami Bookstore
- University of Nebraska Lincoln Bookstore
- Upgrade
- Upper Playground
- Utsource
- Urban Massage UK
- UK Soccer Shop
- USC
- Ultimate Ears
- Utan
- Utmel
- Unihertz
- Unineed
- Unique Vintage Clothing
- United Colors Of Benetton
- Urban Sophistication
- UGG
- University of Cincinnati Bookstore
- UrbaneBox
- UK Sport Imports
- University of Oklahoma Bookstore
- Undergents
- UrthBox
- Ulla
- Unicoeye
- Udacity