We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies as per our policy which also explains how to change your preferences.

Get in touch

Phone Email Pen

Frequently asked questions

Before you go to the trouble of calling or emailing us, our frequently asked questions could help you find a quick solution.

Update my details online »
Help with logging in »
Cancel my subscription »
Unsubscribe from emails »
See all Help and FAQs »

If you still need help, there are three ways to contact us:

Call Us »

Customer service centre

029 2267 0000

You can reach us from:

8.30am to 6pm on Mondays to Fridays

9am to 1pm on Saturdays

If you're outside the UK, please call

+44 29 2267 0000   

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

Your membership number

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. Please note this number is necessary for any membership cancellations.

Send a message »

Send us a quick message and we’ll get back to you as soon as we can. We aim to reply to all enquiries within three working days. Alternatively you can email support@which.co.uk

Are you a Which? member?
Information is held under the provision of the General Data Protection Regulation (GDPR). We will not pass your details on to any other organisation. We will process your information in accordance with our privacy policy.
By sending this you agree to Which?’s terms & conditions

Write to us »

Head office

Which?

2 Marylebone Road
London
NW1 4DF

Open in Google Maps >

Phone:
020 7770 7000

9am to 5pm Mondays to Fridays

Customer service centre

Which?

Which?
3 Capital Quarter
Tyndall Street
Cardiff
CF10 4BQ

Member helpline charter >

Enquiries

Press office

For media enquiries or information on the latest news and views from Which?, please see our press office.

Companies, copyright and corporate affairs

Businesses and other organisations seeking information about Which? reviews, research and campaigns and copyright permissions should email our external affairs team at corporatequeries@which.co.uk.

Recruitment

See the latest vacancies here at Which? and get in touch with our People team at recruitment@which.co.uk.