Single Intelligence Account

The Single Intelligence Account (SIA) is the funding vehicle for the security and intelligence agencies of the United Kingdom: the Secret Intelligence Service (SIS/MI6),Government Communications Headquarters (GCHQ) and the Security Service (MI5).

As of 2016, the Accounting Officer for the SIA is Mark Lyall Grant, the National Security Adviser to the Prime Minister.

The current spending on the SIA is £2,632 million in financial year 2014/15.

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