The minor purpose of this article is to know about marketing audit external . Some great benefits of an marketing audit external refer mainly to the independence of the actual auditor, the highly-qualified practitioner which gets rid of professional tools, the objectivity with the process and the capability of giving beneficial recommendations which had worked for other clients and in addition their results have been tested. The disadvantages of an marketing audit external refer at the company expenses generated by this if a methodical and periodically review is wanted.