This guide will help you learn how to hire overseas contractors and pay them compliantly. How to hire overseas contractors in a foreign country.Understand tax requirements when hiring a foreign contractor. Our guide provides essential insights for seamless compliance with international tax laws. To do this, you must fill out and file Form 1099-MISC at the end of the fiscal year. If you are hiring a foreign contractor, you will need to have them complete IRS Form W8BEN. If you hire a new employee, but they don't yet have a social security number, then they need to apply for one. Form SS-5 is the form they'll need to fill out. Searching for skilled construction labor? From apprentice-level through leadmen, Tradesmen is your source for proven craftsmen.