Because flank companies and pretty uniforms.


Regiment (Administrative)
->Battalion
-->Battalion HQ and Colour Party
--->Left wing
---->Line Company x3
-------> 2x Platoon
---->Light Company x1
-------> 2x Platoon
--->Right wing
---->Line Company x3
-------> 2x Platoon
---->Grenadier Company x1
-------> 2x Platoon

Infantry Battalion Complement

Battalion HQ and Colour Party
CO, Lt. Colonel
Adjutant, Captain
Medical Officer, Captain
Medical Sergeant (3)
Medical Orderly, Private (10)
RSM, Sergeant-Major
Runner, Private (2)
Quartermaster, Lieutenant
Quartermaster Sergeant, Sergeant
Quartermaster Corporal, Corporal
Bugler, Private (3)

Colour Party CO, Lieutenant
Colour bearer, Ensign (2)
Colour escort, Colour Sergeant (4)
Colour Escort, Corporal (2)
Colour Escort, Private (5)

Left Wing
Wing CO, Major
Bugler, Private
Line Company (3)
Light Company

Right Wing
Wing CO and Battalion 2ic, Major
Bugler, Private
Line Company (3)
Grenadier Company

Line Company
OC, Captain
2ic, Lieutenant
Ensign
CSM, Colour Sergeant
Sergeant (5)
Corporal (10)
Private (80)

Light Company
OC, Captain
2ic, Lieutenant
Ensign
CSM, Colour Sergeant
Sergeant (5)
Corporal (10)
Private (80)

Grenadier Company
OC, Captain (Most senior in regiment)
2ic, Lieutenant
Ensign
CSM, Colour Sergeant
Sergeant (5)
Corporal (10)
Grenadier (80)

Bayonet strength
1x Lt. Colonel
2x Major
9x Captain
10x Lieutenant
10x Ensign
1x Sergeant-Major
12x Colour Sergeant
41x Sergeant
83x Corporal
652x Private
-------------------
835 Officers (33) and men (802).

Here comes the cavalry!


Squadron
Squadron OC, Captain
Guidon-bearer, Colour-Sergeant
Squadron Sergeant-Major, Sergeant Major
Trumpeter, Corporal of Horse
Farrier, Corporal of Horse
Troop (2)

Troop
Troop OC, Lieutenant/Cornet
Troop Sergeant, Sergeant
Sergeant (4)
Corporal of Horse(6)
Trooper (40)

Squadron has 110 Officers (3) and Men (107)
--------------
Regiment is three squadrons plus Regiment HQ

Regiment HQ
Regiment CO, Lt Colonel
Regiment 2ic, Major
Medical Officer, Captain
Veterinary Officer, Captain
Quartermaster-Armourer, Lieutenant
RSM, Sergeant-Major of Horse
Guidon-bearer, Colour Sergeant
Senior Farrier, Sergeant
Medical Sergeant (3)
Medical Trooper (3)
Trumpeter (3), Corporal of Horse
Quartermaster Corporal (3) Corporal of Horse.

Regiment has 350 Officers (14) and men (336)

No surgeons?

Medical officer and vet added at battalion/regiment level, thanks.

Should artillery batteries be integrated at brigade level or detached from on high?

A battalion would typically have a couple of 3 or 4 pounder regimental guns.

Everything else was kind of parceled out ad hoc from the artillery regiments except in the French and Russian armies.

Infantry brigade
Brigade HQ
Infantry Battalion
Infantry Battalion
Infantry Battalion
Infantry Battalion
Artillery Battery

Cavalry Brigade
Brigade HQ
Light Cavalry Regiment
Cavalry Regiment
Cavalry Regiment
Cavalry Regiment
Horse artillery Battery

Light Brigade
Brigade HQ
Light Infantry Battalion
Light Infantry Battalion
Light Cavalry Regiment
Horse artillery Battery

And finally divisions

Infantry Division
Division HQ
Field hospital
Infantry Brigade
Infantry Brigade
Horse Artillery Battery
Cavalry Regiment

Cavalry Division
Division HQ
Field hospital
Light Cavalry Brigade
Cavalry Brigade
Horse Artillery Battery

Light Division
Division HQ
Field hospital
Light Brigade
Light Brigade