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The International Institute for Strategic Studies

Registered charity 206504, on the register since 22 September 1962. The 506th largest charity in England and Wales by income.

What it says it does

The IISS aims to provide, from an international perspective, the best objective information on military and political developments and to assist in conflict resolution through the conduct of dialogues and conferences, research and publications. Its mission is to promote the adoption of sound policies to further global peace and security and maintain civilised international relations.

In the charity's own words, as filed with the Charity Commission.

Its causes

Education/trainingGeneral Charitable PurposesOther Charitable Purposes

Where it works

City of London

Check it yourself

Its entry on the Charity Commission register · its own website

Figures are the latest the charity has reported to the Charity Commission, current to 28 September 2026. How this site works.