Often, the accomplishment of the goal can be measured in dollars, time or quality. Comparing this with the time needed by an employee for training and fulfillment of the end is one measure of value. Another is the quality of the solution or attainment of the objective. Often a low quality solution is worse than the problem and leaves a haunting effect. Sometimes, the problem is like a hole in a boat, it gets harder and harder to save the ship, the longer the problem exists.
Consultants contribute fresh thinking and are very effective as catalysts for alteration and change.
At all levels in the company, Consultants can provide training. During peak periods can be useful. Bring the consultant into the project early. Consultants can often guide initial decisions or suggest immediate solutions. Good definition speeds problem solving and saves consulting time.