Secure your San Antonio small business's transactions today! Our asset purchase agreements from Dan Burke are created to account for all of your assets.An asset purchase agreement is the legal document that will govern the transfer of ownership of a business's assets from the seller to the buyer. An asset purchase agreement (or APA) is a binding document between a buyer and seller for the purchase and sale of a company's assets. An Asset Purchase Agreement is a legally binding contract between a buyer and a seller that details the terms and conditions of the sale of a business's assets.