Which? members please have your membership number to hand. If you receive a Which? magazine your membership number is included on the letter that accompanies it. If you subscribe to which.co.uk you can find your membership number in your account section. The number will usually take the form of 1 letter followed by 9 digits – eg H123456789.
Read more about our Member helpline charter here.
Calls may be monitored or recorded for training
For media enquiries or information on the latest news and views from Which?, please see our press office.
Businesses and other organisations seeking information about Which? reviews, research and campaigns and copyright permissions should email our external affairs team at firstname.lastname@example.org.