Corporate Tax Services

CSC® Corptax®

CSC transforms the business of tax through technology, business process expertise, and award winning support through our Corptax product. We provide the market’s only entity-driven, single platform solution—proven to optimize performance across the corporate tax life cycle. We provide unmatched automation to align processes and workflows, enhance transparency, improve accuracy, and lower risk.

For more than 40 years, CSC Corptax has supported the evolving tax needs of leading organizations around the world, and in every industry, but it’s our innovative approach guided by your needs that will continue to define the way forward.

Visit the Corptax website to learn more.

Learn more about other state and local tax software products:

  • PTMS property tax software helps minimize property taxes and expenses. Visit for more information.
  • LicenseHQ helps minimize the time and expense related to license and permit compliance. Visit the LicenseHQ website for more information.
  • AppealTrack helps you manage appeal protests in one system. Visit the AppealTrack website for more information.