Welcome to RUSI

The Royal United Services Institute (RUSI) is the world's oldest independent think tank on international defence and security. read more

Membership

RUSI members have access to the very best defence and security analysis and are introduced to a network of peers, specialists and decision-makers.

Corporate

RUSI’s Corporate Membership packages are open to all organisations concerned with defence and security matters, and can be tailored to meet the business interests of both public and private sectors.

Top Tier Partnership

This is the elite tier of RUSI membership. Members at this level receive full access to the Institute’s high-level networks and research teams.

Individual

Individual memberships are suitable for those individuals who wish to join RUSI's growing network of policymakers and practitioners.