The cost of an unframed portrait of a single person is $12 000 CDN. or $12000 USD, with half payable in advance and the balance upon satisfactory completion. These quotes do not include applicable taxes, shipping costs, and, when required, traveling expenses. This price is more or less irrespective of the size - within reason.
The average corporate boardroom portrait is 30" x 40". The price for portraits of groups of people has to be negotiated.
Subjects who live a great distance from the artist have two choices. Montreal is a wonderful metropolis to visit with a large range of hotels; a city famed for its exceptional restaurants and fabulous entertainment. So one possibility is to come to the artist's home city. The other option is for the artist to come to you.