A lot of managers sign treaties on accounting services with firm specializing this way. Such actions help to avoid a lot of penalty sanctions, allow shorten all manner of tax deductions, and permit do business much easier. Experienced entrepreneurs unanimously agree with that in accounting they must come to professionals. Only specialists know how to find individual approach to client and at the same time that how to develop the most optimal cooperation scheme. Also they help to regulate conflicts which emergenced as a result of interaction with tax authorities.