ECTRIMS cooperates with regional MS societies worldwide to facilitate communication and enhance research and clinical care in MS.
Every third year, ECTRIMS organises a joint international congress with ACTRIMS (Americas Committee for Treatment and Research in Multiple Sclerosis) alternating between European and Northern American locations. In addition, RIMS (Rehabilitation in Multiple Sclerosis) and IMSCOGS (International Multiple Sclerosis Cognition Society) join the ECTRIMS annual congress on a three-year rotation basis.
ECTRIMS collaborates with the following organisations that have programmes and services that are of interest to the European professional community focused on multiple sclerosis: