

St. Louis Business & Corporate Law Attorney
Retain a Missouri Business Litigation Lawyer
Today’s rapidly changing business world requires businesses to have access to legal advice and representation from knowledgeable attorneys. At Cavanagh & Associates, we advise clients on a range of business activities, from choosing a particular business entity to liquidation. We are available to assist on legal matters arising from daily operations and changes to compliance with applicable laws and regulations. Our knowledgeable professionals are also able to provide guidance on legal matters related to mergers, acquisitions, and business disputes.
St. Louis business lawyer Jack Cavanagh has a long history of representing businesses across St. Louis, Chesterfield, St. Charles, and the surrounding areas in Missouri. Some of his areas of specialty include family businesses, business succession, partnerships, and contracts. A skilled trial lawyer, Attorney Cavanagh is also a hard-hitting litigator for businesses facing disputes and related issues.
To find out how our Missouri business litigators can represent your company’s interests, call (314) 309-2799.


Dedicated to Helping Your Business Thrive
Every company, from a family-owned business or a start-up to an established multinational corporation, has specific legal needs that must be met to ensure its growth and continued success. St. Louis corporate law attorney Jack Cavanagh is committed to providing legal counsel tailored to each client’s unique business model, industry, immediate needs, and long-term goals.
Some of the business and corporate law matters we handle in Chesterfield, St. Louis, and St. Charles include:
- Business formation
- Transactional law
- Contracts
- Liquidation
- Mergers and acquisitions
- Business successions
- Going public transactions
- Business disputes
- Commercial litigation
The realm of business law is ever-changing, not only with the landscape of consumer needs, but also in conjunction with applicable state and federal laws. At Cavanagh & Associates, we work to remain on the cutting edge of compliance, formation, and regulatory issues to help our clients achieve and maintain success in their individual fields.
Contact us today at (314) 309-2799 to schedule your consultation regarding your business or corporate law needs.
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Mr. Jack Cavanagh was my attorney getting me removed from an child birth certificate that wasn’t my child. He made the process very easy and timely manner the communication was very good and I was beyond satisfy with the outcome and service Thank you Mr.Jack and Ms.English- Demetric L.
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First of all, it was hard to find a lawyer that works with grandparents rights. Jack did a great job and we get to see our grand-daughter for the first time in a year. We are very thankful to him.- Mr. Callaway
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Jack resolved a case from 1500 miles away in a timely manner. Professional throughout the entire process, took the time to understand my needs as a client and fulfilled them without ever wavering in his commitment or price. Would recommend.- Patrick S.
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Mr. Cavanagh was very patient in dealing with all of the difficulties of my case. He was pleasant to work with to get the child support and custody worked out in a way that was fair. He showed real concern for the welfare of my son. He was professional in guiding me with regards to counseling and getting my sons voice heard throughout the case as well. Lastly he was thorough in that he went through the original divorce decree and made sure I received what I should have gotten during the divorce. I would recommend Mr. Cavanagh as well as use him again in the future.- Former Client
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Mr. Jack Cavanagh was my attorney getting me removed from an child birth certificate that wasn’t my child. He made the process very easy and timely manner the communication was very good and I was beyond satisfy with the outcome and service Thank you Mr.Jack and Ms.English- Demetric L.
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Jack is great lawyer with lots of experience. I’m glad we I hired him to represent me. We won a battle like David against Goliath.- Rolles G.
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My experience with Mr. Cavanagh was very pleasant. I was kept informed about what was going on with my case. Phone calls were returned promptly and everything was explained to me. Knowledgeable, personable and fair - can't ask for much more than that. He was on my side. One more thing.... he's not a pushover when it comes to the opponent! Love it!- Terri Buckner
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Jack has been a lawyer for a long time. He values his clients and sees them as people with individual circumstances, and not just dollar bills like other attorneys. Anyone that knows anything about the law knows it’s about making and keeping good rapport with all parties involved. And for a defense attorney, being familiar with the judge to the prosecutor and being on a friendly basis with them is exceptionally important. And Jack knows everyone! He should as he’s been doing this for probably over 40 years. He’s not only a great attorney but I consider him a friend. Don’t make the mistake of choosing an unknown rookie attorney who may be a couple bucks cheaper. Choose Jack!- Paige

What Our Work Means
Our Values
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We have a genuine desire to see our clients succeed.
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Attorney Cavanagh handles our clients' legal matters personally.
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We achieve positive case outcomes through thorough preparation.
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Attorney Cavanagh is a former prosecutor turned legal advocate.
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We offer confidential consultations to every client.
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Attorney Cavanagh has over 50 years of legal experience.
