- Security domain
- Intelligence
- What it is
- intelligence agency · agency (level 3)
- Founded
- 1909
- Statutory basis
- Intelligence Services Act 1994
- Public mandate
- Collects intelligence overseas to keep the UK safe and prosperous.
- Acknowledged by
- Intelligence Services Act 1994 (statute)
- Active headcount
- 3,753 (2023) official, high confidence
- Headcount source
- Intelligence and Security Committee of Parliament: Annual Report 2023–2025
- Website
- www.sis.gov.uk
- Identifiers
- factbase.org/org/JG0YN8M269 · Q184560