If your contractor based in Canada is a US employee or resident, you'll have to have them fill out the 1099-NEC form. To pay a contractor in Canada, you need their full name, bank account number, branch address, and other information.Complete the transfer request. You must fill out and file a T4A-NR slip for each contractor you have employed not living in Canada. Learn how to pay a contractor in Canada. This guide outlines four different international payment options for paying contractors in Canada. Accurately paying foreign contractors requires thorough knowledge of the tax and employment laws in the countries where your business operates.