A Service Agreement for Sales and Marketing is a legally binding contract between a business (client) and a service provider (such as a marketing agency, freelance marketer, sales consultant, or sales outsourcing company). It defines the scope of work, deliverables, payment terms, performance metrics, and ownership rights for services aimed at promoting, marketing, and driving sales for the business. Specifies target dates, milestones, and specific outputs (e.g., weekly performance reports, 10 published blog posts per month, or 50 qualified leads per quarter).