A Machine Gun Company was attached to each Infantry Brigade and their subsequent Division.
|Brigade attached to:||3rd Brigade|
|Division attached to:||1st Division|
|Formed from the Machine Gun Sections of:||1st Bn. The South Wales Borderers|
1st Bn. The Gloucestershire Regiment
2nd Bn. The Welch Regiment
2nd Bn. The Royal Munster Fusiliers
The 3rd Bde. M.G. Coy. was formed on the 26 January 1916 from the Machine Gun Sections of the listed infantry battalions.
As a unit of the 1st Division, it will have taken part in the following battles and engagements.
|BATTLES OF THE SOMME|
|14 to 17 July||Battle of Bazentin Ridge [III Corps, Fourth Army]|
|23 to 26 July||Battle of Pozieres Ridge [III Corps, Fourth Army]|
|15 August to 3 September|
|15 to 22 September||Battle of Flers-Courcelette [III Corps, Fourth Army]|
|25 to 28 September||Battle of Morval [III Corps, Fourth Army]|
|14 to 21 March||German Retreat to the Hindenburg Line [III Corps, Fourth Army]|
|21 June to 20 October||Operations on the Flanders Coast|
|10 July||Defence of Nieuport [XV Corps, Fourth Army]|
|BATTLE OF YPRES|
|5 to 10 November||Second Battle of Passchendaele [II Corps, Second Army]|
On 28 February 1918, it was amalgamated with the 1st, 2nd and 216th Machine Gun Companies to form No. 1 Battalion, Machine Gun Corps.