Hem up. Hem can be taken up keeping the original style, but it could be changed slightly if our customers prefer.
Sleeves up. Keeping the original finish.
Sides in. There is two ways to achieve this. The easiest and cheaper option is to insert darts at the back. There is a limited amount that can be taken in though. The second is is working on the actual sides.
Collar in. Collars can not be taken in as, such, but the button can be moved slightly in or out to make it comfortable.
Here are a couple of ideas if you would like to re-style you shirt.
Turn long sleeve into a short sleeve shirt.
Take top collar off, to make it have a beetle style look.