Understand tax requirements when hiring a foreign contractor. Our guide provides essential insights for seamless compliance with international tax laws.IRS Form W8BEN or IRS Form W8BENE. The W8BEN and W8BENE forms are essential for foreign independent contractors and businesses. Create an international contractor agreement that defines the fees, payment terms, and scope of work. Onboard the contractor and begin work. 1. This simple agreement, written specifically for accountants and bookkeepers, will do just that. The W8 BEN is essentially the W9 for international workers. This article will outline four steps for hiring international contractors overseas and how Wise can help cut costs on global payments. Southern Utah University (SUU) and.