Joining the Williams Syndrome Foundation is the most positive step you can take once you have established a Williams Syndrome diagnosis.

The Williams Syndrome Foundation’s primary objective is to support families affected by Williams Syndrome. By becoming a member, you will play a vital role in helping those with Williams Syndrome and those who love, care for and educate them, get the help and support they need.

Who can join? 

Our membership scheme is open to anyone aged 18 years old and over including:

  • Parents and Carers 
  • Siblings 
  • Individuals with WS
  • Heath Care and Educational Professionals

Membership Options


FREE Online Membership

  • Twice yearly digital magazines
  • Monthly e-newsletters keeping you updated of our activities
  • Access to WSF webinars
  • Online support groups
  • Access to our We Support Friendships Zoom sessions (for adults with WS)
  • Access to the members area of our website
  • Online resources and materials
  • Access to advice and support from our office team (supported by our Professional Advisory Panel)


Full Membership (£10 a year)

ALL the benefits of online membership, PLUS: 
  • Twice yearly hard-copy magazines
  • Printed resources and guidelines
  • Access to our subsidised regional / national events
  • Access to our subsidised national conventions (held every 3 years)*
  • Access to our subsidised holidays*
  • Access to Dr Jo’s EHCP Support Clinics*


*Places are limited

We also welcome extended family, aunties, uncles, grandparents etc, who would like to join. If you are a relative of someone with Williams Syndrome and would like to become a member of the Foundation, please click here: 

Relative application form


If you are happy to continue with your full paid membership, subscription fees for 2023 are due on February 1st.  If you do not have a direct debit or standing order in place, please transfer the £10 (£15 international) to:
Williams Syndrome Foundation
Sort code: 40-52-40,
Account: 00023062
Using the reference “subs” & “surname”.
We are charged for each direct debit we claim that has been deactivated, so please help us avoid these costs by letting us know if we may have old bank details or if the direct debit has been cancelled.
Please let us know by Thursday 26th January if you would like to change your membership or cancel your Direct Debit.
All memberships with unpaid subscriptions will transfer automatically to a free online membership at the end of March 2023.

Direct Debits 

Direct Debits streamline the subscription process for us a charity and provide members with worry-free uninterrupted full membership, if you wish to support us in this way, please complete and return the form below.

Direct Debit Form
Alternately, annual £10 subscription payments can be set-up online through GOCardless
Or, for overseas members, £15 subscription payments can be set-up :