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About The Law Office

Welcome to The Law Office of Andrew J. Mertzenich. 


We are a dedicated team of legal professionals committed to providing exceptional services to our clients. Our firm is proud to be owned and operated by members and allies of the LGBTQ+ community, and we strive to create a safe and inclusive environment for everyone.


Located in Rockford, Illinois, we are passionate about serving the diverse community in our area. With years of experience, we are well-equipped to handle a wide range of legal matters. Whether you need assistance with estate planning, bankruptcy, or appellate litigation, or business compliance, we are here to help.  Our core values include integrity, compassion, and a strong commitment to our clients.

Andrew J. Mertzenich, founder and managing attorney, graduated cum laude with a degree in Business Administration. He then attended Northern Illinois University College of Law and received his Juris Doctor magna cum laude. 

In law school, Andrew graduated in the top 10% of the class and was Managing Editor for the Northern Illinois University Law Review. He also served as a commissioner on Northern Illinois University’s Presidential Commission on Sexual Orientation and Gender Identity. 

Andrew’s passion has been to work in estate planning. He brings much experience in this area, and an approach that seamlessly blends a commitment to his clients and an understanding of their nuanced needs. He particularly enjoys helping LGBTQ+ individuals and families grow and thrive. 

Andrew writes on current legal events regularly. His works are published in the Northern Illinois University Law Review, the Kane County Bar Journal, The Winnebago County Bar Association's The Lawyer Magazine,  DuPage County Bar Briefs, and other publications. He contributes to several blogs and updates the community on appellate happenings throughout the State of Illinois and beyond. He is a member of the Appellate Lawyers’ Association, and chairs the Appellate Digest Committee, which publishes the quarterly IL APP RECAPS, Illinois Appellate Decisions Digest. 

Outside of law, Andrew is a passionate musician. He is Director of Traditional Music at Westminster Presbyterian Church in Rockford, IL. He is also Principal Organist at Court Street United Methodist Church in Rockford, IL, where he performs regularly. Andrew also volunteers with the Land of Lincoln Theatre Organ Society, helping to maintain and show off the Grande Barton Organ at Rockford’s historic Coronado Theater.


As a musician, he is a regular performer at the Coronado Theatre, and has been a featured guest of the Rockford Symphony Orchestra. He also served as Interim Artistic Director and Conductor of the Ecumenical Community Handbell Organization (ECHO) and conducted the Westminster Presbyterian Community Orchestra in their 2021/22 Holiday Concerts.

Andrew comes from a family of entrepreneurs, with his father owning a podiatry practice in Rockford until he joined Crusader Community Health in 2003, and his mother owning the local diner in Winnebago, Illinois until 2023. He splits his time between Rockford and Belvidere with his husband, Cody.

a picture of Andrew J. Mertzenich, attorney at law
The scales of justice over the rainbow flag
A picture of a couple at a wedding
A picture of the Coronado Theatre interior auditorium at christmas
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