It is part of the Army’s 'Adaptable Force' meaning it has units under its command delivering operational effect and regional responsibilities across the South East of England.

The brigade has three regular battalions under its command, as well as responsibility for British Forces Brunei. It covers one of the most complex and densely populated regions in the UK comprising some 28,000 military personnel gathered across 35 garrisons and stations.

It also directly commands over 13,000 cadets as well as the Central Reserves Headquarters (CRHQ) of the Adjutants General Corps (AGC) based in Worthy Down, Winchester.