About Cavanagh & Associates
Put a Former Prosecutor with 50+ Years' Experience by your Side
When it comes to any legal issue, there is no substitute for experience. With experience comes a deep understanding of the legislation and legal proceedings that apply to your unique case and situation. With years in practice, an attorney develops a keen sense of what tactics are likely to be most workable and what must be done to avoid common pitfalls that can turn into significant delays or negative results.
At Cavanagh & Associates, you are putting over 50 years of experience on your side when you work with our founding attorney: Jack Cavanagh. As seasoned St. Louis attorney, Attorney Jack Cavanagh focuses his practice primarily on family law, criminal defense, and business law. He uses his decades of trial experience and a background as a former prosecutor to provide quality, insightful legal representation in these practice areas.
Attorney Cavanagh also has experience in municipal law, bankruptcy, medical malpractice, and personal injury. He has litigated hundreds of cases in front of judges and juries in St. Charles, Chesterfield, St. Louis, and across the state. This diverse range of knowledge gives our firm a significant advantage in any case we handle.
- Lean more about Attorney Jack Cavanagh in this Attorney Profile
To learn more, call (314) 309-2799. We are proud to serve clients in St. Louis, St. Charles, Chesterfield, and the surrounding areas.
Why Choose Cavanagh & Associates?
When you come to Cavanagh & Associates for legal representation, we offer:
- A consultation to discuss your needs and concerns.
- Aggressive trial representation by an attorney who has litigated hundreds of cases.
- Legal counsel based on over half of a century of experience.
- A legal strategy tailored to suit your specific needs.
- Representation by Attorney Cavanagh himself, not a paralegal or inexperienced lawyer.
- One-on-one support and compassionate guidance from a firm that truly cares for you.
If you are interested in finding out how our firm can protect your legal rights and represent your interests, please take this opportunity to arrange a consultation. Attorney Jack Cavanagh is prepared to put his significant skill and experience on your side.
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Contact Cavanagh & Associates at (314) 309-2799 today to schedule a complimentary case review!

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