Our San Antonio contract lawyer helps businesses with vendor contracts, employment contracts, and partnership agreements. Find standard form purchase and sale agreement lawyers for San Antonio, TX to hire.Protect your company with an airtight company agreement from Dan Burke: San Antonio's trusted company agreement attorney for small businesses. 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. Make a Transfer Plan and Purchase Agreement. The purchase and sale agreement is the most important part of buying a business. In this ultimate guide, we will unravel the mysterious world of buyout agreements and show you stepbystep how to navigate them like a pro. 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.