A Master Services Agreement (MSA) is a framework contract between two parties establishing the general terms that govern an ongoing business relationship. Specific projects, services, or transactions are executed under separate Statements of Work (SOWs) that reference and incorporate the MSA's terms, letting parties negotiate general terms once (payment, IP, confidentiality, liability, indemnification, term and termination) and then quickly add new work without renegotiating fundamentals. MSAs are the standard structure for professional services relationships (consulting, agencies, development shops) and are increasingly used in SaaS for enterprise customers. It's the way sophisticated buyers and sellers manage ong...