As creatives, none of us really love service agreements. They aren't part of the social media marketing agency fun. But they are necessary. Social media service level agreements (SLAs) are a critical component of any outsourcing and vendor contract. I'm going to walk you through a social media service level agreement. We're going to look at what a social media service level agreement is, why you need it, and what could go into it. What Is a Social Media Service Level Agreement? A social media service level agreement essentially defines the level of service expected by a client from an agency.