Consultancy can help projects get over a major hurdle or two.
With the right consultancy in place, an organization or Individual can do more complicated or difficult things in a short period of time, because a consultant knows what to do, when to do it, how to do it, and why. Consultants know what things to avoid based on lessons learned from a variety of environments, industries, and other clients. This is invaluable knowledge that you can take advantage of.
Further, consultants can help you in increasing the efficiency with which buildings uses energy, water and materials.