Discover what a bid proposal is, the elements of a bid proposal, how to create one and a template and example that can guide you. A virtual assistant proposal is a business document that virtual assistants use to present an offer of services to a potential client.This is the best virtual assistant proposal sample cover letter for Freelancer that has already win thousands of jobs in freelancer. Com in last few months. Offerors are required to submit the following items as a complete proposal: 1. Most of the duties assigned to this type of position are routine, involving large amounts of database entry and the eventual generation of maps from the data. Easily customize this virtual assistant proposal template and send it online to impress your clients and get more proposals signed.