$3.75 Million
Arbitration Award in a Federal Employers Liability Act (FELA) case where the firm served as co-counsel.
$8 Million
Settlement after a truck accident resulted in a young boy's paraplegia.
$5.2 Million
Settlement involving a motor vehicle collision lawsuit.
You can read more verdicts and settlements that we've helped our clients recover over the years. READ MORE VERDICTS & SETTLEMENTS

Dedicated to Protecting Injury Victims Across Missouri and Illinois
At Mandel, Mandel, Marsh, Sudekum and Sanger, we are committed to securing justice for individuals who have been harmed due to the negligence or misconduct of others. With over 85 years of combined experience, our team of highly skilled attorneys provides top-tier representation for personal injury and workers' compensation cases. Serving clients throughout Missouri and Illinois, we approach each case with the dedication and personalized attention it deserves, ensuring every client's voice is heard and their rights are vigorously defended.
PERSONAL INJURY & WORKERS' COMPENSATION practice areas
When you're facing the worst, you deserve the best. Learn more about how we can help you when you've been in an accident, need financial compensation after an accident, and more. We want to help you however we can.
PERSONAL INJURY
We fight for the rights of those injured by others' negligence, ensuring they receive the compensation they deserve.
WORKERS' COMPENSATION
Our team helps injured workers secure the benefits they need to recover and get back on their feet.
CAR ACCIDENTS
We provide expert legal support for car accident victims, advocating for fair compensation to cover medical bills and lost wages.
TRUCK ACCIDENTS
Our attorneys handle complex truck accident cases, pursuing justice for those harmed in serious commercial vehicle collisions.
SLIP & FALL
We represent individuals injured in slip and fall accidents, holding property owners accountable for unsafe conditions.


Why Choose Mandel, Mandel, Marsh, Sudekum and Sanger?
Choosing the right legal representation can make all the difference. Our law firm stands out because of our deep legal expertise, proven track record of success, and client-centered approach.
- We take pride in being one of the most respected law firms in the region, consistently achieving favorable settlements and verdicts for our clients.
- Our attorneys have earned prestigious accolades, including AV® Preeminent™ ratings by Martindale-Hubbell® and recognition from Super Lawyers.
- Most importantly, many of our clients come to us through referrals from satisfied clients and other legal professionals, reflecting the trust and esteem we’ve built over the years.
Contact the St. Louis lawyers of Mandel,
Mandel, Marsh, Sudekum and Sanger
With offices in downtown St. Louis and Wentzville, Mandel, Mandel, Marsh, Sudekum and Sanger is your ideal source for personal injury legal representation. Contact our law firm online or at 314.621.1701 for a free initial consultation. We keep flexible office hours, operate on a contingency fee basis for all cases — meaning you pay nothing for our services unless we collect a settlement or judgment on your behalf — and can come to your home or hospital room if you are unable to travel.
Working with Bryan and his staff has been a breeze. Bryan has always put my best interest first from start to finish. Communication is key, and throughout the entire process, I was informed and updated, and my questions were answered in a timely fashion. Having an attorney you can trust is important, and that's why I choose Mendel-Mendel-Marsh-Sudekem-Sanger.
Wonderful, professional and caring people. This law firm will work hard for you even if you aren't able. Andrew Mandel represented me and I would hire him again and recommend him to anyone. Word of mouth is the best advertisement for anyone, and I would sing his praises as a trustworthy attorney.
I went through a robbery at knife point in Sept of 2022. I was fortunate enough to be connected to Attorney Michael J Kelley through this law firm. I'm very satisfied with his work. He cared, he really gave it his all and got me a reasonable settlement. I highly recommend this firm and this Attorney in particular. Thank you so much Michael J Kelley for making a difference!
You can read more certified reviews and client experiences. READ MORE TESTIMONIALS

The Importance of Hiring an Experienced ST. Louis Attorney
When you've suffered a personal injury or workplace accident, having a professional and experienced attorney on your side is crucial. The legal system can be complex, and insurance companies often prioritize their own interests over fair compensation. Our attorneys have the knowledge and resources to navigate these challenges and fight for the compensation you deserve. Whether it's negotiating with insurance adjusters or taking your case to trial, we are equipped to handle every step of the process, allowing you to focus on your recovery while we handle the legal complexities.