What Does SIS Stand For?

SIS stands for UK Secret Intelligence Service Also Known As MI6

SIS, or the Secret Intelligence Service, is the United Kingdom's foreign intelligence service, commonly referred to as MI6. It is responsible for gathering intelligence from overseas to support the UK's national security and interests. The agency focuses on counter-terrorism, espionage, and the prevention of threats to the UK, working closely with other intelligence and law enforcement agencies. Established in 1909, SIS plays a crucial role in the nation's defense and foreign policy, operating under the authority of the Foreign, Commonwealth & Development Office.

Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym

Other Meanings for SIS