The command administered the reserve units based in its area and also provided the military support HQ for the police and civilian population in the area.

Under Army 2020, 7th Armoured Brigade merged with 49 (East) Brigade on 13 February 2015.

[1] The latter became "Headquarters East" which was the regional point of contact for the following counties: Lincolnshire, South Yorkshire, Nottinghamshire, Leicestershire, Rutland, Northamptonshire, Bedfordshire, Hertfordshire, Essex, Suffolk, Norfolk, and Cambridgeshire.

[2][3][4] Under the Army 2020 Refine reorganisation, 7th Infantry Brigade and Headquarters East remained responsible for reserve units in the East Midlands and East of England.

[5] In 2024, under the Future Soldier reforms, the unit merged with Headquarters West Midlands to form Headquarters Centre at Kendrew Barracks.