Project management techniques are different based on the size of the company. When the company is small, all work in the same department or functional areas. The team members report to the same manage. The scope statement and requirements are not complicated. The project manager break down the project scope into the assignments for the team members. Weekly reports from the team members lets the project manager to spot any problems early which can be fixed. In large companies the project manager goes through extensive scope and requirement process. Cost benefit analysis and feasibility studies is done.