Our professionals have worked with some of the largest companies in the world and have tackled a wide variety of complex issues and projects.

Our People


  • William P. Gagnon
  • Founder, President
  • biography
  • Paul Naehle
  • Partner, Chief Operating Officer
  • biography
  • Carl Roscoe
  • Partner, General Counsel
  • biography

Practice Area Specialties

Tax Technology

Tax Consulting

Sales and Use Tax

Tax Accounting and Compliance

Private Client Services