Practice Areas
Serving St. Louis, St. Charles & Chesterfield, MO
At Cavanagh & Associates, we represent individuals, families, and businesses across St. Louis, Chesterfield, and St. Charles in the varied legal matters that may threaten their well-being. We provide sound counsel and advice to avoid potential issues in legal proceedings and represent our clients’ interests when litigation is necessary to resolve a dispute or other legal matter. These practice areas are of the utmost importance to our team, as we realize their profound impact on one’s life and future.
St. Louis lawyer Jack Cavanagh, our founder and principal attorney, offers highly experienced counsel in the following areas:
- Family Law – If you are going through a divorce (dissolution of marriage), are dealing with a heated custody battle, or need counsel related to a prenuptial agreement, we can offer the level of attorney representation you need. We handle all types of family law matters in Chesterfield, St. Charles, St. Louis, and the surrounding areas.
- Criminal Defense – This area of our practice is benefited by Attorney Cavanagh’s experience as a former prosecutor. He uses this understanding of the other side of criminal proceedings to provide more effective defense counsel related to: DUI/DWI, drug crimes, domestic violence, theft, sex crimes, and more.
- Business & Corporate Law – Running a business is no easy feat, and having a legal professional on your side can make all the difference with regulatory and compliance issues, resolving contract disputes, business formation, and all the other legal matters that may arise for a small business or large corporation. We are here for you every step of the way.
Contact St. Louis Attorney Jack Cavanagh Today
For well over half of a century, St. Louis attorney Jack Cavanagh has been representing clients in and out of civil, criminal, and family courts across Missouri. If you would like to find out how our firm can help you, please contact us to arrange a consultation. We are looking forward to offering the insight and guidance you need.
Contact Cavanagh & Associates today at (314) 309-2799.

Our Clients Mean Everything to Us
Read Stories Directly From People We've Helped-
“I would recommend Mr. Cavanagh as well as use him again in the future.”
- Former Client -
“Truth will always prevail.”
- Mr. Callaway -
“Great Team! Highly Recommended.”
- Donald Salisbury