Marsh McLennan Agency | Locations | MMA

Marsh McLennan Agency

825 Maryville Centre Drive, Suite 200, St. Louis, MO, 63017



CEO, MMA St. Louis
+1 314 594 2659
+1 314 594 2604
EVP, Practice Leader - Business Insurance
+1 314 594 2741
EVP, Practice Leader - Private Client Services
+1 314 594 2784
Executive Vice President
Vice President, Practice Leader
+1 314 594 2444
Senior Vice President, Practice Leader
+1 314 594 2643

You're in the right place.

J.W. Terrill is now Marsh McLennan Agency - St. Louis, providing a complete range of business insurance and employee health & benefit products and services to organizations of all sizes.

Designed to meet the unique needs of growing companies, MMA epitomizes the high-touch service model typical of a local consultant while providing access to the global resources of the world’s leading insurance broker, Marsh. Our clients truly benefit from the best of both worlds.

Our areas of expertise include:

Our industry expertise includes Construction, Education, Health Care, Manufacturing, Not For Profit, Real Estate, and Senior Living.

Congratulations to our Private Client Services team for earning the Chubb Cornerstone designation for 2021!

Client Tools

Client Resources-St. Louis

24/7/365 Emergency Claims

If you are experiencing a Business Insurance claims emergency before or after normal business hours of 8:00a – 5:00p or on weekends and Holidays, and need a claims advocate to help you through the process, please call 314-594-5933.

The claims advocate will also be able to provide referrals to reconstruction, removal and recovery contractors for immediate preservation of property.

After-hours PERSONAL insurance claim? Here is a list of emergency claim numbers, by carrier.

MMA St. Louis Online Training Center
Click here for program details and a complete course list.

Personal Insurance Resources

  • ID RESOLUTION - Identity & Personal Information Protection Program
    Full program details can be downloaded by clicking here.
    Ready to enroll? Click here.

    Important tips to consider before getting behind the wheel.


MMA St. Louis provides administrative services that protect you and simplify the administrative burden of COBRA regulations.

FormFire allows you and your employees to apply for coverage with any carrier online - one place, one form.

Clients of MMA St. Louis have 24/7 access to time-saving tools via our Document Library.

Registered clients can log-in here.