top of page

Fischer Advisors
About Us


Our Team
Catherine Fischer President of Fischer Advisors full-service accounting firm
Catherine Fischer

Catherine has a genuine passion for accounting, which she discovered while taking her first accounting course in college.


In 2023, after ten years as an Accounting Manager, she founded Fischer Advisors. Catherine's clients describe her as knowledgeable, approachable, friendly, and nonjudgmental. They appreciate her unique ability to make numbers and complex tax topics understandable.

Catherine holds a Bachelor of Science in Accounting from The University of Illinois at Chicago. She is active in the community and serves on the Board of Directors for CASA of McHenry County. Additionally, she is the Treasurer of the Porsche Club of America Chicago region, a Director with AmSpirit Business Connections, and the President of her local chapter.

Andrea Marquez Vice President of Fischer Advisors full-service accounting firm
Andrea Marquez
Vice President

Andrea brings a wealth of experience to Fischer Advisors. Her professional background spans a wide-range of industries, including tax, accounting, manufacturing, consulting, transportation, and construction. As a right-hand person, she specializes in finances, day-to-day operations, and leadership. Her in-depth knowledge of business makes her an invaluable asset. Whether navigating complex financial matters or ensuring smooth operations, Andrea’s expertise shines through.  She is committed to ultimate financial integrity.

Andrea is actively involved in community leadership. She serves on the Board of Directors of the Crystal Lake Chamber of Commerce, contributing to local business development and fostering economic growth. She is also a key member of the Women Empowering Women leadership team, championing the advancement and empowerment of women in various fields. 

Our Promise to You

Fischer Advisors is committed to providing responsive service to our clients. We understand the importance of timely communication and are dedicated to promptly returning phone calls and emails. As your advising partner, we are available year round to answer your questions and offer guidance when you need it, not just during tax season.

bottom of page