Not all service design clients are the same. As a service designer, you need to adjust your engagement model accordingly, if you want to be successful. As a service design consulting firm, we have learned these lessons over the years while developing our in-house model. To determine the best approach for different client types, we developed a simple animal framework as part of our in-house model. The framework can be useful to other service design agencies, but also for organisations that hire agencies. Knowing the type of organisation you’re working with – or, if you’re an organisation, knowing your type – will help the engagement run smoothly and be successful.