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Welcome to Which?. We put our members at the heart of everything we do.

If you want to get answers and information about any of our products and services, or to discuss your subscription, get in touch with our top-rated Member Service Centre. 

We also welcome feedback, so if we've helped you resolve a problem or you aren't happy with the service you've received, let us know so we can put things right. 

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If you are a Which? member please log in to pre-fill your membership details. 

If you'd like to change your subscription, or are thinking that maybe Which? isn’t for you, then you can call our Member Service Centre on 01992 822800 to speak to one of our advisers. They are available Monday to Friday from 8.30am to 6pm, and Saturdays from 9am to 1pm and will be happy to assist you.

Please have your membership number to hand - this can be found above your name on the magazine’s address label or on any other correspondence from us, or if you log in it will be displayed. Your membership number begins with a letter and usually has 9 numbers.

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Membership number

Your membership number is included on the letter that accompanies your Which? magazine.

If you subscribe to, your membership number is in 'My Account'.

Your membership number will usually be a format of 1 letter followed by 9 digits e.g. H123456789.

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