National Tax Resource Group

About National Tax Resource Group

Founded by Clayton L. Wigley in 1999, National Tax Resource Group has been redefining the property tax business. In addition to our in-house experts and process management expertise, our unique business model allows us to utilize "Best-in-Class"​ consultants and attorneys around the country to assist NTRG in providing property tax appeal services, compliance, and administration services to some of the largest and most sophisticated commercial property owners/managers in the U.S.