Secret Intelligence Service

The Secret Intelligence Service (SIS), also known as MI6, is the UK's foreign intelligence agency responsible for gathering intelligence outside the British Isles to support the country's security and foreign policy objectives.

Communication Overview

Total releases

Number of press releases published by this department during the last 12 months, based on publicly available announcements.

Avg per month

Average number of press releases published per calendar month over the last 12 months. This smooths short-term fluctuations in publishing activity.

0.2

Avg word count

Average length of published press releases, measured in words. Calculated only for months where content was published.

3399

Avg readability

Average Flesch Reading Ease score across all published press releases. Higher values indicate plainer English. Scores are indicative only and vary by subject matter.

51.7

Friday PM releases

Percentage of press releases published after 3pm on Fridays, relative to the department’s total output during the period.

Single-release items

Estimated proportion of announcements published once, without a closely related follow-up release during the same period. This is based on similarity of titles and timing.

100%

Metrics are descriptive only and indicate publication patterns rather than intent or impact.

Releases per month

Based on publicly published press releases (last 12 months)

4 articles

Showing 1-4

Speech by Blaise Metreweli, Chief of SIS, 15 December 2025

Monday, 15 December 2025

Blaise Metreweli, Chief of the Secret Intelligence Service on how SIS is keeping the UK safe in a world where the rules of conflict are being rewritte...

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Speech by Sir Richard Moore, Chief of SIS, 19 September 2025

Friday, 19 September 2025

Sir Richard Moore, Chief of the Secret Intelligence Service, spoke about the launch of a new dark web portal to recruit spies for the UK....

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Speech by Sir Richard Moore, Chief of SIS, 29 November 2024

Friday, 29 November 2024

Sir Richard Moore, Chief of the Secret Intelligence Service, discussed the UK-France intelligence relationship and the 120th anniversary of the Entent...

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Speech by Sir Richard Moore, head of SIS, 19 July 2023

Wednesday, 19 July 2023

Sir Richard Moore, head of the Secret Intelligence Service, spoke about the current focus of the Service and the value of the “human factor” in the ag...

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