A unique application of customizable commercial real estate contract templates, including Purchase and Sale, Lease, and Listing agreements. A commercial purchase agreement is a legal real estate contract that transfers commercial property ownership from a seller to a buyer.Consultant will submit all required forms and information described in Exhibit A, the RFP, to the Purchasing Agent before providing Services. I want to show you how to do this simple contract there is a simple contract in transaction desk that you can use for a commercial deal.