Agreement to Sell Business. Identify the parties involved in the transaction. 2.We offer a large range of business sale agreements, some customised for the sale of particular types of business. 3.1. The Vendor shall sell and the purchasers shall purchase the business and assets described in the Schedule hereto. This guide will help you understand how to fill out and sign a business purchase agreement template so that everyone's best interests are protected. Business SAle Agreement - Free download as PDF File (.