Stores - U
- U Star Novels Limited
- U-Lace
- U-Pack
- U-Printing
- U.S. Cellular
- U.S. Polo Assn.
- U.S. Rack
- Uber
- Uber Rider
- UBIQ
- UBuildApp
- Udder Covers
- Udemy
- UFC Store
- UGears
- UGG Australia
- Ugly Christmas Sweater
- UK Celtic Jewellery
- UK ECIG Store
- UK Kolours
- UK Office Direct
- UK Open College
- UK PARK AND FLY
- UK Sport Imports
- UK Tights
- UK Tool Centre
- UK2
- UKAR Auto Parts
- ukbathroomstore.co.uk
- UKHost4u
- UKSoccerShop
- UKTickets
- Ulla Labs
- Ulla Popken
- ULTA
- Ultimate Autograph
- Ultimate Body Press
- Ultimate Direction
- Ultimate Outdoors
- Ultimatum
- Ultra Web Hosting
- UltraLeanBody
- Umbro
- UMI Children's Shoes
- Una Hotels and Resorts
- UnbeatableSale
- Uncle Dan's
- Uncle Jim's Worm Farm
- Unclekids
- UncommonGoods
- Uncorked Ventures
- Under Armour
- Under Armour
- Under Armour UK
- Undercover Tourist
- Underwear Nation
- Undies.com
- Unforgettable
- Uniform City
- Unineed
- Union Bay
- Uniqlo
- Unique Photo
- Unique Squared
- Unique Vintage
- Unique Wellness
- UniqueRewards.com
- United Airlines
- United Vacations
- UnitedFront
- UnitedShades.com
- UNITRENDY
- Universal Textiles UK
- University of Nebraska Omaha
- University of Nothern Iowa
- Uniworld
- Unlimited Cellular
- UNO
- Uno Alla Volta
- Unseen On TV
- untuckit.com
- Unwins
- Unze
- Upad
- UpgradedSelf.com
- UpMyInfluence
- UPPER 90
- Urban Decay Canada
- Urban Excess
- Urban Green
- Urban Outfitters
- Urban Outfitters UK
- Urban Planet
- Urban Surfer
- Urbanara
- UrbanEars
- UrbaneBox
- Urbanog
- UrbanStems
- Urbanwalls
- urbkids.com
- UrthBox
- US Chess Sales
- US Elite Gear
- US Gift Giant
- US Legal Forms
- US Outdoor Store
- US Pets
- US Salon Supply
- US Search
- USA TODAY
- USA Track and Field
- USAA
- usadawgs
- USB Phone World
- usc.co.uk
- Used Cardboard Boxes
- USGoBuy
- USMattress
- USN
- Utrecht Art