It is possible to find downloadable forms that you can use as a starting point for your agreement with a 3pl service. Web what is a 3pl agreement template? Web this article discusses 11 indicators to keep the services offered with your 3pl as high as possible, which in turn will provide cost savings while servicing the customer at the. Web service level agreements (slas) the right choice will help you scale your business for the future. Web service level agreement (sla) is a documented agreement between a service provider and a customer that identifies both the services required and the expected level of service.