An Asset Purchase Agreement is an agreement between a buyer and a seller of a business as to the terms and conditions of the sale of the business. This guide will break down the ins and outs of asset purchase agreements for multiple owners, making this complex legal topic more digestible and actionable.An asset purchase agreement (APA) is a legal document that serves as a framework for how business assets will be transferred from the seller to the buyer. Who are the buyers and sellers? Asset purchase agreements can be a useful way to create a new business while leaving unwanted resources and potential issues with the seller. In an asset sale, the new owner purchases the business's physical assets. The seller retains all rights to the legal entity.