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

Grow your organisation and shape the conversation through RUSI’s unique knowledge, independent insight and exclusive networks.

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

Keeping you informed, engaged and connected - RUSI Individual membership places you at the heart of the global defence and security community.