Below is a simpilfied table showing the structure of the British Army at the time of the Great War.
In late 1917 the structure of the Army changed due to the manpower shortages created by the Government.
Troops and Companys changed from a structure of 4 to 3 per company and battalion. This Change went up to Brigade Level., Bridages reduce from 4 to 3 within a Division.
| Structure of the British Army | ||
| Formation Size | Commanded By.. | Number of Men |
| Army | General or Field Marshall | 85,000 +/- |
| 2 Corps + HQ + Army Troops | ||
| Corps (Army Corps) | Lt-General | 38,500 |
| 2 Divisions + HQ + Corps Troops |
||
| Division | Major-General | 18,179 |
| 3 Brigades + HQ + Divisional Troops | ||
| Brigade | Brigadier-General | 4055 |
| 4 Battalions + HQ | ||
| Battalion | Lt-Colonel | 1007 |
| 4 Companies + HQ | ||
| Company | Major or Captain | 227 |
| 4 Platoons + HQ | ||
| Platoon | Lt or 2/Lt | 52 |
| 4 Sections, numbered 1 - 4 | ||
| Section | N.C.O. - Corporal | 13 |
| 1 Corporal + 12 Privates |
