An MSA, or Master Service Agreement, is a contract between a company and a vendor that outlines the terms and conditions for services the vendor will provide. Typically, businesses with multi-year relationships attach Statements of Work ("SOW") to an MSA to outline the individual terms of a business deal.The SOW authorizes Agency to commence performing any Services as of the Effective Date. A master vendor agreement is a contract between a company and vendor that sets terms and conditions the latter must follow while vending the company's product. This MSA establishes a contractual framework for Supplier's provision of Services under Service Agreements worldwide. Get in touch with us to begin drafting today. Can I use the same MSA for different clients? Below is a list of forms and information that may be required to complete a Request for Proposal Response. Think of it as your business relationship's constitution it lays out the rules everyone must follow. An SOW spells out the specific tasks, objectives, and responsibilities for a particular project.