This simple agreement, written specifically for accountants and bookkeepers, will do just that. Use this agreement if you are hiring an independent contractor to perform accounting or bookkeeping services.Below is a free bookkeeping service agreement template you can use as a starting point to make sure you've covered the duties included in your engagement. All of the following information is required from the IC before the contract can be officially agreed upon. 1. Independent Contractor Questionnaire. A bookkeeping services agreement defines the terms of a relationship between a bookkeeper, or accountant, and a client. Don't have a bookkeeping contract template for your business yet? CITY retains CONSULTANT as an independent contractor and not an employee of CITY. Once new contractors have accepted your offer, you'll need to have then fill out an IRS Form W9. You can download a copy here.