(314) 963-9000
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OnderLaw Serves St. Louis, Missouri, Illinois & Clients Nationwide

For over 40 years, OnderLaw has fought for injury victims from our home base in Webster Groves, just minutes from downtown St. Louis. While our roots run deep in the St. Louis community, our reach extends throughout Missouri, across Southern Illinois, and—for mass tort and class action cases—nationwide. Wherever you are, if you’ve been harmed by negligence, defective products, or corporate misconduct, we’re ready to fight for you.

 

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2025
Best Law Firm
1200+
5-Star Reviews
Top 1%
Trial Attorneys
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St. Louis Metro Area & Beyond

OnderLaw is headquartered in Webster Groves, Missouri—just 15 minutes from the heart of downtown St. Louis. This is our home, and we know the St. Louis metro area inside and out: the roads where accidents happen, the hospitals where victims are treated, the courts where cases are decided, and the insurance companies that try to minimize claims.

Our St. Louis personal injury attorneys have decades of experience representing clients from every corner of the metro area. Whether you live in the City of St. Louis, St. Louis County, St. Charles County, or the Metro East, we’re close by and ready to help.

“We’re here to listen to you, handle it with compassion, and help you through some of the most difficult times in your life.”

Attorney Jim Onder in Downtown St. Louis in front of the courthouse
Jim Onder
2025 Top 100 Trial Attorneys Nationwide

Our Reach, Your Results

From our offices in Webster Groves, we’ve recovered billions for clients across the region and the nation. Our attorneys are licensed to practice in multiple states and federal courts, and we maintain co-counsel relationships that extend our reach to clients nationwide.

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$5B+
Recovered for Clients
Across Missouri, Illinois & nationwide
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40+
Years in St. Louis
Deep roots in the community
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49
State Reach
Nationwide mass tort representation
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300M+
In Jury Verdicts
In personal Injury cases

Locations We Serve

St. Louis
Missouri
Kansas City
Illinois
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St. Louis Office

Serving the greater St. Louis and Missouri areas: Clayton, Kirkwood, Webster Groves, Ladue, Creve Coeur, Chesterfield, Ballwin, Manchester, Fenton, Mehlville, Affton, Florissant, Ferguson, University City, Maplewood, Richmond Heights, Brentwood, Rock Hill, Shrewsbury, Sunset Hills, Frontenac, Town and Country, Des Peres, Maryland Heights, Bridgeton, Hazelwood, Berkeley, Jennings, Overland, Olivette, Ladue, and all surrounding areas.

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Law Firm Headquarters

Located in the heart of downtown Webster Groves

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Phone

(314) 408-6136
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Hours

We’re available 24/7

Schedule visit
Get Directions

Local Team

James Onder Attorney OnderLaw | Photo Jim Onder

James G. Onder

Founder And Attorney
35+ Years
Kayla Ferrel with long brown hair wearing a black blazer over a blue top, accessorized with a pendant necklace, poses against a plain white background.

Kayla Ferrel Onder

Sexual Abuse Attorney
2+ Years
W. Wylie Blair - Attorney Onderlaw

W. Wylie Blair

Pharmaceutical & Medical Products Litigation Attorney
35+ Years
Matt P. O'Grady - Attorney

Matt P. O’Grady

Bad Faith Insurance Claims and Personal Injury Attorney
25+ Years
Martin Daesch - Attorney OnderLaw Attorney

Martin L. Daesch

Consumer Protection Law Attorney
25+ Years
Jesse B Rochman - Attorney Onderlaw

Jesse B. Rochman

Class Actions Attorney
25+ Years
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St. Charles County

We proudly serve: St. Charles, O’Fallon, St. Peters, Wentzville, Lake St. Louis, Cottleville, Dardenne Prairie, Weldon Springs, and surrounding communities.

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All Missouri

Serving the greater Missouri Regions and beyond metropolitan area of Arnold, Festus, Crystal City, Herculaneum, Hillsboro, Jefferson County, De Soto, and surrounding areas.

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Jefferson County

Arnold, Festus, Crystal City, Herculaneum, Hillsboro, De Soto, and surrounding areas.

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Franklin County

Washington, Union, Pacific, Sullivan, and surrounding communities.

 

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Hours

24/7

Contact Us Now
Get Directions

Local Team

James Onder Attorney OnderLaw | Photo Jim Onder

James G. Onder

Founder And Attorney
35+ Years
Kayla Ferrel with long brown hair wearing a black blazer over a blue top, accessorized with a pendant necklace, poses against a plain white background.

Kayla Ferrel Onder

Sexual Abuse Attorney
2+ Years
W. Wylie Blair - Attorney Onderlaw

W. Wylie Blair

Pharmaceutical & Medical Products Litigation Attorney
35+ Years
Breanna Flowers - Attoeny

Breanna L. Flowers

Personal Injury Attorney
6+ Years
Craig Richards - Attorney

Craig W. Richards

Attorney
7+ Years
Derek Sieck - Attorney

Derek P. Sieck

Medical Products Litigation Attorney
8+ Years
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Nathan L. Chapman

Sexual Abuse Attorney
16+ Years
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Kansas City

Serving the greater Kansas City metropolitan area

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Areas Served

Downtown Kansas City, Westport, Country Club Plaza, Brookside, Waldo, Northland, South Kansas City, East Kansas City, and all KCMO neighborhoods.

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Jackson County

Independence, Lee’s Summit, Blue Springs, Raytown, Grandview, Grain Valley, Oak Grove, and surrounding communities.

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Clay County

Liberty, Gladstone, North Kansas City, Kearney, Smithville, Excelsior Springs, and surrounding areas.

Local Team

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Amanda J. Sextro

Personal Injury Attorney
22+ Years
James Onder Attorney OnderLaw | Photo Jim Onder

James G. Onder

Founder And Attorney
35+ Years
W. Wylie Blair - Attorney Onderlaw

W. Wylie Blair

Pharmaceutical & Medical Products Litigation Attorney
35+ Years
Cathleen DeWitt

Cathleen DeWitt

Of Counsel
15+ Years
Attorney - Andy Balcer

Andrew Balcer

Asbestos Attorney
17+ Years
Steve Ringkamp

Stephen H. Ringkamp

Of Counsel
46+ Years

Helping The Entire Midwest

Our Kansas City personal injury attorneys handle all types of injury cases, from car accidents on I-70 to workplace injuries and medical malpractice. Whatever caused your injury, we have the experience to fight for full compensation.

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Southern Illinois

OnderLaw is just minutes from the Metro East, and many of our attorneys are licensed in both Missouri and Illinois. If you’ve been injured in Belleville, Edwardsville, Collinsville, Granite City, or anywhere in Southern Illinois, we’re ready to fight for you. We have recovered over $5 billion for clients across the region, and we bring that same firepower to every Illinois case.

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St. Clair County

Belleville, O’Fallon (IL), Fairview Heights, Swansea, Shiloh, Mascoutah, Lebanon, Freeburg, Millstadt, Cahokia Heights, East St. Louis, Washington Park, Centreville, Caseyville, and surrounding communities.

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Madison County

Edwardsville, Collinsville, Glen Carbon, Maryville, Troy, Granite City, Alton, Godfrey, Bethalto, Wood River, Roxana, South Roxana, Hartford, Venice, Madison, and surrounding areas.

(314) 555-0123
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Monroe County

Waterloo, Columbia, Valmeyer, and surrounding communities.

Local Team

James Onder Attorney OnderLaw | Photo Jim Onder

James G. Onder

Founder And Attorney
35+ Years
W. Wylie Blair - Attorney Onderlaw

W. Wylie Blair

Pharmaceutical & Medical Products Litigation Attorney
35+ Years
Steve Ringkamp

Stephen H. Ringkamp

Of Counsel
46+ Years
A woman with long, wavy blonde hair wears a tan blazer and a necklace, smiling slightly against a plain white background.

Amanda J. Sextro

Personal Injury Attorney
22+ Years
A man with light brown hair and a beard, wearing a navy blue suit, light blue shirt, and patterned blue tie, stands against a plain white background, looking at the camera with a neutral expression.

Nathan L. Chapman

Sexual Abuse Attorney
16+ Years
Kaitlin Carpenter

Kaitlin A. Carpenter

Class Action Litigation Attorney
6+ Years

⚠️ Illinois 2-Year Deadline

Unlike Missouri’s 5-year statute of limitations, Illinois only gives you 2 years from the date of injury to file a personal injury lawsuit.

Call Us (314) 408-6136

OnderLaw St. Louis Headquarters

  • 110 E Lockwood Ave St. Louis, MO 63119

  • Serving St. Louis Since 1987
  • 3 Office Locations Available
  • Free Parking Lot On-Site
  • Wheelchair Accessible
  • Virtual Meetings Available

Hours

We’re Open 24/7

Time Limits Are Real.
Your Rights Are Too.

Missouri’s statute of limitations won’t wait. Protect your future today.

Protect Your Rights Now
Emergency Line: (314) 900-0000
No Attorney Fees Unless We Win