The ILL is an international facility.
It is run by its Associates, the three founding countries Germany, France and the United Kingdom. Each of the founding countries contributes about 25 % to the annual budget.
The remaining funding is provided by the 11 Scientific Members (Spain, Switzerland, Austria, Italy, the Czech Republic, Sweden, Belgium, Slovakia, Denmark, Poland and Slovenia).
The ILL thus caters to more than 90 % of the European neutron scattering community.
The ILL provides a showcase for a Europe collaborating successfully through the promotion of science and intercultural relations.