Search & Match Service

The Search & Match Service is a global database of life-saving donors. Operated by WMDA, it provides a fast preliminary search facility to find the best matched donor or cord blood unit in the world for a patient in need of a blood stem cell transplant.

In a glance

  • Primary source of all haematopoietic stem cell donors and cord blood units worldwide.
  • Lists over 30 million of donors and cord blood units from 54 countries.
  • Allows the opportunity to find a donor as quickly as possible by providing:
    • user-friendly interface and functionalities;
    • probability matching for each donor/cord powered by OptiMatch; and
    • additional information on each donor and cord blood unit (if provided by the listing organisation).


Connect to the Search & Match Service, find out more: