Pricing is based upon:
The per certificate price is multiplied by the estimated COIs. Software-only contracts include a software licensing fee. CMS offers special discounts on pricing for multi-year contracts and negotiates a one-time set-up fee based upon projected volume.
The costs of Certs Made Simple are minimal compared with the cost of internal system development or the cost of hiring staff to track COIs - not to mention the expense of assuming an unwanted risk for someone else's negligence.