Independent Contractor Agreement for Accountants and Bookkeepers (for ICs). IRS Form W8BEN or IRS Form W8BENE.We also provide a free independent contractor agreement template you can customize to fit your needs. This Independent Contractor Agreement Template is designed to help you draft a custom agreement that reflects your needs and situation. Clearly outline project details and ensure fair payment terms with our independent contract agreement template. Create and download your agreement for free! Get our free sample contract for accountants. A bookkeeping services agreement defines the terms of a relationship between a bookkeeper, or accountant, and a client. Apply to Bookkeeper, Accounts Payable Clerk, Tax Preparer and more!