Before you take on a client’s request for a "back-of-the-envelope" valuation, be sure to understand the ramifications and beware of the risks. Back-of-the-envelope valuations are quick and unofficial ways you can meet client needs.
Informal business valuation requests carry risks that you must weigh before proceeding:
What a back-of-the-envelope valuation means in terms of balancing a client's request with professional standards requirements.
Ways to ensure that you and the client understand the scope of work performed, including any limitations on