Consultants have the education and experience to help you accomplish your goals and move to the next level. They are subject-matter experts who are ideally equipped to solve your problems.
Consultants give you the lowest cost-to-benefit ratio possible because they are brought in to do a specific job. Hiring someone with the skills of a consultant to work for you full-time would be a much greater financial commitment.
Reduce Uncertainty and Obtain Sustainability Employees with the skills of a consultant are often hard to hang onto over time. When they do leave they are difficult to replace and they leave behind work that is often unable to be used. Employing a consultant is less risk because you know they are going to be available several years down the road to help you again, if needed. This reduces uncertainty and allows you to develop sustainability in the solutions that the consultant offers.