The brigade was a multi-national force of British, French, and Belgian units.

In March 1944, F Squadron, GHQ Liaison Regiment was added to the brigade.

In 1945, the Belgian parachute company was redesignated as 5th Special Air Service.

The brigade headquarters returned to the United Kingdom in June, and remained there for the duration of the war.

[1] The brigade's units, however, took part in various operations as part of the Northwest Europe Campaign of 1944–1945, which included operations such as Amherst, Bulbasket, Cooney, Dingson, Houndsworth, Lost, Loyton, Kipling, Samwest, and Tombola.