About Us

DeRienzo and Rossi, CPA’s PLLC has been serving the needs if small business’ and individuals in the Hudson Valley Since 1988. Foodservice, manufacturing, construction, professional practices, real estate and automotive are among the industries we service. Our success in meeting the challenges of the new financial environment is done by employing hand picked expertise coupled with our core values driven towards excellence and the use of front line technology.

Our Mission is to help create, extend and preserve our client’s wealth by empowering them with knowledge, harvesting their talents and teaching them the relevant skills so they may interpret and employ the information they helped create to achieve their individual goals.


  • Income Tax Planning
  • Income Tax Preparation
  • IRS & NY Audit Representation
  • IRS & NY State Collection Matters


  • Accounting and Information Systems
  • Payroll & Sales Tax Accounting and Preparation


  • Volunteer Fire Departments
  • Religious Organizations
  • Community Based Organizations