Nationwide Appraisal Services (NAS) is Canada's premier appraisal management company and the most comprehensive source for real estate valuations. Established in 1996 by Tom McCormick, President and CEO, NAS is Canada's first web-based valuation platform. The NAS platform provides a customizable solution that integrates lender specific business rules throughout the valuation process creating a consistent application of lending criteria that simplifies processes for Lenders, Insurers, and Mortgage Professionals. more... See more text