A Machine Gun Company was attached to each Infantry Brigade and their subsequent Division, an additional Company was attached as a divisional reserve.
| Brigade attached to: | Divisional Reserve |
| Division attached to: | 12th (Eastern) Division |
The 235th M.G. Coy. disembarked at Le Havre on 13 July 1917. It joined the Division at Arras on 16 July 1917.
As a unit of the 12th (Eastern) Infantry Division, it will have taken part in the following battles and engagements.
| 1917 | |
| BATTLE OF CAMBRAI | |
| 20 and 21 November | The Tank Attack [III Corps, Third Army]. |
| 23 to 28 November | Capture of Bourlon Army [III Corps, Third Army]. |
| 30 November to 03 December | German Counter-Attacks [III Corps, Third Army]. |
On 01 February 1918, it was amalgamated with the 34th, 35th, and 37th Machine Gun Companies to form No. 12 Battalion, Machine Gun Corps. It became D Company.