My English boyfriend wants to work in Canada asap for a company who have some temporary positions available.
It is likely that it will only be for 1-2 months.
What is the quickest he could get a permit?
Do you have to specify how long you need it for or can it be for a set period of time (like the Australian Permits)?
If he was to go to the canadian Permit place (!) in London can he get it the same day?

If he is not eligible for a youth program visa, then the standard process is to pursue a LMO Confirmation and work permit following the receipt of a Canadian job offer.