Nice short and sweet description of a british company can be seen from this warrant to form what would be the 42nd Regiment. Note that most units during peace time would only have 30-35 privates per company.
http://www.42ndrhr.org/warrants.php#regt
Royal Warrant, 25th October, 1739
To Colonel John Earl of Crawford and Lindsay
George R.
WHEREAS we have thought fit that a regiment of foot be forthwith formed under your command, and conisit of ten companies, each to contain one captain, one lieutenant, one ensign, three serjeants, three corporals, two drummers, and one hundred effective private men; which said regiment shall be partly formed out of six independent companies of foot in the Highlands of North Britain, three of which are now commanded by captains, and three by captain-lieutenants. Our will and pleasure therefore is, that one serjeant, one corporal, and fifty private men, be forthwith taken out of the three companies commanded by captains, and ten men from each of the three companies commanded by captain-lieutenants, making one hundred and eighty men, who are to be equally distributed into the four companies hereby ordrered to be raised, and the three serjeants and three corporals drafted as aforesaid, to be placed to such of the four companies as you shall judge prroper, and the remainder of the non-commissioned officers and private men, wanting to complete them to the above number, to be raised in the Highlands with all possible speed; the men to be natives of that country, and none other to be taken.
The regiment shall commence and take place according to the establishment thereof. And of these our orders and commands, you, and the said three captains and three captain-lieutenants commanding at present the six independant Highland companies, and all others concerned, are to take notice, and yield obedience thereto accordingly.
Given, &c., (Signed) Wm. Yonge
http://www.42ndrhr.org/warrants.php#regt
Royal Warrant, 25th October, 1739
To Colonel John Earl of Crawford and Lindsay
George R.
WHEREAS we have thought fit that a regiment of foot be forthwith formed under your command, and conisit of ten companies, each to contain one captain, one lieutenant, one ensign, three serjeants, three corporals, two drummers, and one hundred effective private men; which said regiment shall be partly formed out of six independent companies of foot in the Highlands of North Britain, three of which are now commanded by captains, and three by captain-lieutenants. Our will and pleasure therefore is, that one serjeant, one corporal, and fifty private men, be forthwith taken out of the three companies commanded by captains, and ten men from each of the three companies commanded by captain-lieutenants, making one hundred and eighty men, who are to be equally distributed into the four companies hereby ordrered to be raised, and the three serjeants and three corporals drafted as aforesaid, to be placed to such of the four companies as you shall judge prroper, and the remainder of the non-commissioned officers and private men, wanting to complete them to the above number, to be raised in the Highlands with all possible speed; the men to be natives of that country, and none other to be taken.
The regiment shall commence and take place according to the establishment thereof. And of these our orders and commands, you, and the said three captains and three captain-lieutenants commanding at present the six independant Highland companies, and all others concerned, are to take notice, and yield obedience thereto accordingly.
Given, &c., (Signed) Wm. Yonge