• 248.542.8340
  • 26622 Woodward Ave Suite 250, Royal Oak, MI 48067


  1. Mission

this is

our mission

The firm of David Duffy, CPA, PLLC is dedicated to being a trusted resource for practical solutions to all of your business needs. We are committed to building personal and professional relationships with our clients and the community, as well as maintaining a staff of highly-trained professionals in technology, innovative methods and customer service.