Fondation Constant is dedicated to managing and conserving the works of art created by Constant and to promote and raise awareness nationally as well as internationally of his artworks and his intellectual legacy. Fondation Constant, as a non-profit organisation, relies on donations of benefactors to realize its goals. If you wish more information on how you can support the foundation, send an email with your name, address and phone number to

For Dutch benefactors it is important to know that Fondation Constant is an ANBI foundation which means donations are tax deductable for 125%. Read more about this here:

If you feel that the work of Fondation Constant is valuable and you would like to support us in our efforts, your donations are always welcome and ever necessary.
IBAN: NL57ABNA0413578046

If you would like to bequeath to the foundation, you can use our automated notary service or put Fondation Constant in your will.

Companies & donors
For companies and donors that wish to support the foundation we will create a tailor made plan suited to the wishes and character of the organization. If you would like more information, send an email with the company name, address and phone number to


Fondation Constant