Whether you are buying or selling a business in Massachusetts, completing the transaction without the help of a business lawyer is extremely risky. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer.Every business sale contract must include the names of the parties involved. The parties could be individuals or corporate bodies such as companies. Discover how a real estate attorney can revise a standard Massachusetts Purchase and Sale Agreement to better protect both home buyers and sellers. Purchase and sale agreements between businesses all include a bill of sale. Read about the bill of sale and what should be included in this document. A business purchase agreement should detail the names of the buyer and seller at the start of the contract.