The cost of PCI-DSS compliance varies widely from one organization to another. The cost varies based on many influencing factors which may include the type of organization, the number of annual transactions, payment applications, physical locations, whether first time or recertification, and other additional services as well. But PCI DSS Audit cost for an average-sized company may start at $10000 and maybe for a large enterprise cost $70,000+ depending on the environment.