A Machine Gun Company was attached to each Infantry Brigade and their subsequent Division.
| Brigade attached to: | 11th Brigade |
| Division attached to: | 4th Division |
| Formed from the: | Machine Gun Section of 1st Bn. The Somerset Light Infantry |
| Machine Gun Section of 1st Bn. The East Lancashire Regiment | |
| Machine Gun Section of 1st Bn. The Hampshire Regiment | |
| Machine Gun Section of 1st Bn. The Rifle Brigade |
The 11th Bde. M.G. Coy. was formed by the 23 December 1915 from the Machine Gun Sections of the listed infantry battalions.
On 26 February 1918, it was amalgamated with the 10th, 12th and 234th Machine Gun Companies to form No. 4 Battalion, Machine Gun Corps.
As a unit of the 4th Infantry Division, it will have taken part in the following battles and engagements.
| 1916 | |
| BATTLES OF THE SOMME | |
| From 01 to 21 July | [VIII. Corps, Fourth Army; then from 03 July VIII. Corps, Reserve Army] |
| FRom 10 to 25 October | [XIV. Corps, Fourth Army] |
| 01 and 02 July | Battle of Albert [VIII. Corps, Fourth Army]. |
| 10 to 18 October | Battle of the Transloy Ridges [XIV. Corps, Fourth Army]. |
| 1917 | |
| BATTLES OF ARRAS | |
| 09 to 14 April | First Battle of the Scarpe [XVII. Corps, Third Army]. |
| 03 and 04 May | Third Battle of the Scarpe [XVII. Corps, Third Army]. |
| BATTLES OF YPRES | |
| 28 September to 03 October | Battle of Polygon Wood [XIV. Corps, Fifth Army]. |
| 04 October | Battle of Broodseinde [XIV. Corps, Fifth Army]. |
| 09 October | Battle of Poelcappelle [XIV. Corps, Fifth Army]. |
| 12 October | First Battle of Passchendaele [XIV. Corps, Fifth Army]. |