About the Attorney

Hennessey Law Firm, LLC, located in Creve Coeur, Missouri, is a trusted law firm led by experienced attorney Cynthia M. Hennessey. With over 25 years of experience, Hennessey Law Firm specializes in personal injury, workers’ compensation, and social security cases in Missouri and Illinois.

Cynthia Hennessey is a dedicated lawyer known for her compassionate and effective representation. Whether you have been injured in a car accident, truck accident, or workplace incident, Cynthia Hennessey and her team are here to help you navigate the legal process and fight for the compensation you deserve.

If you are in need of a skilled personal injury attorney in the St. Louis area, look no further than Hennessey Law Firm, LLC. Contact us today for a consultation and let us advocate for your rights.

Practice Areas

Personal injury attorney

Client Reviews

Bounce Back Sports

6/05/2026

Cynthia Hennessey demonstrates exceptional professionalism, integrity, and attention to detail. Her communication is clear, timely, and focused on achieving fair and well-reasoned outcomes.

From a business perspective, I value her organization, strategic insight, and commitment to navigating complex processes efficiently and effectively. She is a trusted legal professional and a strong advocate for those she serves.

I highly recommend Cynthia Hennessey for knowledgeable and dependable legal guidance.