• Zerger & Mauer

    Creative. Tenacious. Efficient.

Zerger & Mauer LLP prides itself on solving your problem in a creative, efficient way.

Steve Mauer and Heather Zerger are former big firm lawyers who offer big firm capabilities with the personal attention, focus and flexibility our clients expect from a small firm. We formed Zerger & Mauer with the vision of creating a firm that was more creative, tenacious and efficient while still delivering big firm results. We care about our clients’ businesses. We want our clients to be more than satisfied with the legal services we deliver.


We pride ourselves on taking a creative approach to solving business problems. We strive to stay at the cutting edge of innovation so that we can quickly and creatively respond to the various needs of our clients.


We believe strongly in the work that we do. The talent and experience that we offer our clients is instrumental in creating solutions that drive long lasting results.


Clients are the focus of everything we do. Providing efficient and excellent client service is a top priority. We understand that our work affects our clients’ business which is why we understand the importance of delivering results in a timely manner.

Practice Areas

  • Commercial Litigation

  • Employment Counseling & Defense

  • Trust Litigation

  • Contract & Tort Actions

We represent financial institutions, businesses, municipalities, and individuals in complex commercial litigation, employment counseling and defense, trust litigation and contract and tort actions.

Zerger & Mauer LLP was selected as national trial counsel for Permobil, Inc., the leading manufacturer of manual and power wheelchairs along with associated seating and positioning products.

Zerger & Mauer LLP acts as trial counsel for PCG, Inc., an industry leading contractor and subcontractor with operations throughout the United States.

Zerger & Mauer LLP was selected to serve as City Attorneys in all matters for the City of Roeland Park, Kansas, a highly recognized first tier city in northeast Johnson County, Kansas.

Contact Zerger & Mauer at 816-759-3300.

The Team

Steve Mauer

Steven Mauer is a civil trial lawyer focusing on commercial litigation. Prior to co-founding Zerger & Mauer LLP, Steve was a long-time partner with an international Kansas City law firm where he represented a variety of businesses and municipalities as plaintiffs and defendants. For years, Steve has served as the litigation coordinator for several clients and represented them in a wide variety of disputes.

Heather Zerger

Heather’s commercial litigation experience includes representation of financial institutions, municipalities, and other commercial clients in all aspects of the litigation process. Her experience also includes defense of clients in class action lawsuits under various statutes and legal theories, including the Fair and Accurate Credit Transactions Act, among others.

Elizabeth Crotty

Elizabeth Crotty has worked as a paralegal since 1982, and has experience in product liability, negligence, personal injury, insurance, commercial and construction litigation. She is a member of the Kansas City Paralegal Association and was previously their representative to the National Association of Legal Assistants and the local Policy Director.

Carly Iverson

Carly Iverson joined Zerger & Mauer in August 2017 after graduating with honors from the University of Missouri Kansas City Law School. Prior to joining the firm, Carly served as a judicial law clerk to the Honorable Judge Keal in the Circuit Court of Jackson County, Missouri. Carly is well experienced in all phases of litigation including legal research, discovery and trial processes.

Chrissy Roto

Chrissy Roto joined Zerger & Mauer LLP in June 2017 after graduating with honors from the University of Missouri – Kansas City Law School. Chrissy brings to the firm a wide range of experience in all levels of the legal system from the US Attorneys’ Office to Federal Courts; from complex civil litigation to federal prisoner and immigration cases. With a focus on civil, commercial and municipality litigation, Chrissy is highly skilled in every step of the litigation process, including research and analysis, discovery, preparing briefs and trial preparation.