- J3 Zippo
- Jabong
- Jacob Bromwell
- Jakes Dog House
- J Album
- jarstore.com
- JMC Laughlin
- James Martell
- janeramsay.com
- Joie
- Jos A Bank
- jerusalem export
- jewelbasket.com
- Jewlery Affairs
- Jewlery Liquidation
- Jigsaw Health
- Joes Balance Outlet
- Join the Tree 4 Life
- Joolwe
- Journey Pass
- Joylot
- Juppy
- Jurlique
- Just Be Nice
- Just Cloud
- Just Flowers
- Just Irish Stuff
- Just London Theatre Breaks
- Just Under Things