CORPTAX has been the leader in domestic and international corporate tax software and services for over 30 years. The most prestigious companies in the world use our products to automate the business processes of their tax departments. Nine of the ten largest companies in the Fortune 500®, and 51% of the entire list use CORPTAX products.  With over 1,000 user companies, CORPTAX has cost-effective solutions and services for companies of all sizes - helping automate processes, improve reporting and analysis, and provide the tax department with the planning tools needed to develop world-wide tax strategies. 

Tax Compliance, Inc. (TCI), through its flagship software product, Property Tax Management System (PTMS), is the leading provider of corporate property tax compliance software.  PTMS is a highly automated real and personal property tax compliance software system currently used by more than 500 corporations and outsource service providers, including 45 of the Fortune 100®.  PTMS allows its users to manage the valuation of their real and personal property to ensure they pay the lowest legal tax while also reducing their cost of tax compliance.

Burr Wolff was a leading provider of corporate property tax and sales tax compliance software and professional services. TCI acquired Burr Wolff’s PTS Corporate® property tax compliance software to solidify its leadership position in the industry.  PTS Corporate® was used by many of the nation's leading corporations in the airline, oil and gas, retailing, and telecommunications industries.