Mensa International Ltd., Slate Barn, Church Lane, Caythorpe, Lincolnshire, NG32 3EL, UK
You can also get in touch with us using the contact form below
If you are a member of Mensa, please make sure you include your membership number and country in the boxes provided.
If you are having trouble logging in, please note that your username is your membership number plus your 2-character country code, not your e-mail.
If you have renewed your membership but get an 'account expired' message, please address this first with the membership officer in your own country as mensa.org does not have access to your membership expiry date.