MI5
The Security Service, commonly known as MI5, is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery alongside the Secret Intelligence Service, Government... Wikipedia
- Formed: October 7, 1909, (as the Secret Service Bureau)
- Jurisdiction: His Majesty's Government
- Headquarters: Thames House, London, United Kingdom
- Motto: Regnum Defende, (Defend the Realm)
- Employees: 5,385 (2023)
- Annual budget: Single Intelligence Account £4.932 billion (2025–26)
- Minister responsible: Shabana Mahmood, Home Secretary
- executive: Ken McCallum, Director General
- Data source: DuckDuckGo