This document discusses factors to consider when choosing an environmental management system (EMS) consultant. It provides tips from interviews with EMS practitioners. Key factors include checking referrals from past clients, assessing the consultant's EMS skills and experience, evaluating what value-added services they provide, and asking detailed questions about project requirements and timelines. The best referrals come from previously satisfied clients who can speak to the consultant's ability to tailor their expertise to the specific needs of the organization. Thoroughly defining expectations upfront helps ensure the right consultant is selected to guide the EMS implementation and achieve the desired results.