About Our Firm
Heidenreich & Heidenreich, CPAs, PLLC is a certified public accounting (CPA) firm located in the Ahwatukee area of Phoenix, Arizona. We provide a wide variety of services for both individuals and privately owned companies including individual tax return preparation, business tax return preparation, auditing and accounting services and consulting services. We have been serving the Phoenix area since 1996.
Our Team
Mark Heidenreich, CPA
Partner
Mark is from southern California and moved to Arizona in 1998. He has been a CPA since 1982 and is licensed in both California and Arizona. He has been preparing individual and business taxes since 1982. He also performs financial audits as well as peer reviews of other CPA firms.
Suzanne Heidenreich, CPA
Partner
Suzanne is from southern California and moved to Arizona in 1998. She has been a CPA since 1982 and is also licensed in both California and Arizona. She performs numerous peer reviews of other CPA firms. She is a Technical Reviewer for the California Society of CPAs Peer Review Program and has served on the Peer Review Board for both the California Society of CPAs and the American Institute of CPAs.
Candace Given, CPA
Partner
Candace grew up in Southern California and has called Arizona home since 1998. She earned her Accounting degree from Arizona State University in 2009 and has been with the firm since 2007, becoming a licensed CPA in 2012. Candace works closely with individuals and businesses on tax planning and compliance, and she also specializes in financial audits and peer review. She’s deeply involved in the profession, having served four years on the Arizona State Board Peer Review Oversight Committee and currently serving on the California Society of CPAs Peer Review Program Committee. In 2025, she was selected to join the AICPA Peer Review Oversight Task Force.
Trevor Bytomski
Tax Associate
Trevor graduated from Appalachian State University with a bachelor's degree in accounting in the fall of 2021. Before graduating, he served as a tax intern for Aprio where he found his passion for preparing tax returns. He obtained his CPA license in 2025 and specializes in business and individual taxation. Over the years he has become an invaluable part of our firm.
Tobi Walker
Office Administrator
Tobi joined our team in January of 2023 to assist with the tax season. She came back the next year to help with another tax season and has been with us since. Tobi accepted the position as office administrator learning all aspects of our practice. . We are lucky to have someone that is dedicated to our firm and love that she is a part of our team.
Traci Pfahler
Administrative Assistant
Traci was born and raised in Arizona. She recently joined our team in January 2026. She plays an integral role in providing premium service and communication to our clients. We are very excited to have her on board!
We are excited to work with you!