St. Louis Divorce Attorney

Trusted by Families in Missouri for over 50 years

When you are in need of a compassionate and aggressive divorce and family lawyer in St. Louis, give Cavanagh & Associates a call. Founding Attorney Jack Cavanagh brings over half a century of experience to the table for a broad range of legal matters in our specified areas of focus. We take the time to hear every client’s goals, concerns, and interests to develop effective solutions towards protecting the things that they hold near and dear to their hearts.

Representing Families in Various Family Law Matters

Cavanaugh & Associates offers comprehensive legal representation for a variety of cases involving Missouri family law. One of the most involved aspects of family law concerns the dissolution of marriage—known better as divorce. However, divorce cases can involve several family law proceedings, including matters affecting the parties’ rights regarding spousal support (alimony), the division of marital assets and liabilities, as well as the determination of custody and financial support obligations for minor children born to the parties.

We are also experienced with matters beyond divorce, including:

Attorney Cavanaugh understands the benefits of mutual compromise and cooperation in family law cases. With experience in mediation and collaborative law, he can help you find a harmonious and lasting resolution to your dispute. However, if negotiation efforts prove to be ineffective, Attorney Cavanaugh is prepared to litigate your case zealously to advance your interests.

Attorney Cavanagh provides one-on-one attention for each of his clients, tailoring his strategy to meet their unique needs. The cases he handles do not get passed off to a paralegal or associate. Rest assured that when you entrust Attorney Cavanagh with your case, he devotes himself to being your dependable mentor, counselor, and advocate through it all your legal divorce matters.

Contact Cavanagh & Associates at (314) 309-2799 for a consultation with a St. Louis divorce lawyer today.

Meet Attorney Jack Cavanagh

Attorney Jack Cavanagh started his legal career as a personal injury advocate after graduating from St. Louis University's school of law. After that, he landed a job at the St. Louis County Prosecuting Attorney's Office. It was there that he learned everything it took to win the most complex cases in the area of criminal defense.

Cavanagh & Associates came to be after Attorney Cavanagh parted ways with the prosecutor's office. Throughout his years in practice, he has established a proven track record handling various family, business, and criminal law matters.


  • Bar Association of Metropolitan St. Louis
  • St. Louis County Bar Association
  • Missouri Bar Association

Trusted Legal Advisors in Divorce

How We Can Protect Your Best Interests

We Would Do Anything for Our Clients.

Read On to See What They Have to Say.
  • “I've worked with Jack on two separate occasions and both times I felt that he not only had my best interest in mind but was going to bat on my behalf. ”


  • “I would recommend Mr. Cavanagh as well as use him again in the future.”

    Former Client

  • “Two things define you. Your patience when you have nothing, and your attitude when you have everything.”

    Terri Buckner

  • “The best there is in the Biz”


  • “Great Team! Highly Recommended.”

    Donald Salisbury

  • “Truth will always prevail.”

    Mr. Callaway

  • “He has worked with me even though we are in different states to ensure I am kept abreast of what is going on.”

    Former Client

  • “Experience is priceless”


Leave Your Legal Matters to Cavanagh & Associates

When You Hire Attorney Cavanagh, You Get Him.
  1. Attorney Cavanagh has over 50 years of legal experience.
  2. We offer confidential consultations to every client served.
  3. Attorney Cavanagh is a former prosecutor turned legal advocate.
  4. We achieve positive case outcomes through thorough preparation.
  5. Attorney Cavanagh handles our clients' legal matters personally.
  6. We have a genuine desire to see our clients succeed.
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