A marketing agreement is a formal legal document wherein a company retains the service of a professional or agency to perform certain marketing services. We’ve created a customizable marketing agreement (pdf and word) to help save you time while looking professional when signing on new clients. Marketing contract, joint marketing agreement, promotion agreement, promotional services agreement, marketing services agreement. Include paragraphs that protect your agency from client’s business and revenue damages that can be caused by the service that you provide. As an rto, spp is a transmission provider administering transmission service over portions of arkansas, iowa, kansas, louisiana, minnesota, missouri, montana, nebraska, new mexico, north dakota, oklahoma, south.