Things to know There is a large number of searches on Google by people trying to understand the costs associated with performing an ISO audit and ISO Certification. Firstly, its important to note that these are two separate costs. Secondly, ISO Certification Costs or fees are typically based on the scope of work that needs to be performed. Many Certifying companies will request that the company wishing to be certified complete a questionnaire. The questionnaire is designed to determine a number of items about the subject Company's business. Some of the questions asked are: Sites to be covered in the audit? Some companies have multiple sites Is the company design responsible Does the company have any outsourced processes What is the current status of the c...