A Machine Gun Company of the Machine Gun Corps 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: | 9th Division |
The 197th M.G. Coy. joined disembarked from Le Havre on 16 December 1916. It jointed the Division at Montenescourt on 19 December 1916.
As a unit of the 9th Infantry Division, it will have taken part in the following battles and engagements.
| 1917 | |
| 09 to 15 April and 30 April to 10 May | 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]. |
| 18 to 23 September and 11 to 25 October | BATTLES OF YPRES. |
| 20 to 23 September | Battle of the Menin Road Ridge [V Corps, Fifth Army]. |
| 12 October | First Battle of Passchendaele [XVIII Corps, Fifth Army]. |
On 01 March 1918, it was amalgamated with the 26th, 27th and 28th Machine Gun Companies to form No. 9 Battalion, Machine Gun Corps.
