Insights

Acquisition Powered Growth The April 2026 acquisition of TriBridge Partners expands MMA's employee benefits, retirement and wealth advisory capabilities, creating strong cross-sell opportunities to TriBridge's client base and to existing MMA clients seeking a holistic risk, benefits, and wealth solution. Action: map accounts across the TriBridge portfolio and craft bundled proposals that combine risk management, benefits administration, and retirement planning to win larger mid-market deals.

Healthcare Collaboration The May 2026 partnership with Sanford Bemidji to bolster pediatric mental health support signals a growing buyer demand for employer-sponsored mental health programs and EAPs. Opportunity: position integrated benefits and mental health services, including teletherapy and wellness analytics, to employers in healthcare and other sectors with large workforces; develop case studies from the Sanford Bemidji collaboration to accelerate conversations.

Financial Strength With revenue in the hundreds of millions, MMA has the scale to fund customized client programs and invest in data-driven risk and benefits solutions. This can be a differentiator in pursuing long-term contracts with mid-market and larger organizations; use ROI frameworks and bundled service offerings to justify premium plans.

Global Backbone As a Marsh & McLennan Agency entity backed by Marsh's global network, MMA can access broader insurer relationships, cross-border capabilities, and a proven platform for large multi-location clients. Target multi-site corporations with standardized, consistent risk management and benefits programs across locations, leveraging the national footprint.

Leadership Momentum Key leadership hires in 2026 including a Chief Growth Officer and new principals indicate a growth-focused strategy and readiness to accelerate cross-sell initiatives. Use this to approach prospects with a strong growth blueprint, dedicated client teams, and clear expansion plans across the MMA family and TriBridge client base.

Marsh McLennan Agency - St. Louis Tech Stack

Marsh McLennan Agency - St. Louis uses 8 technology products and services including Pendo, TOGAF, Datawrapper, and more. Explore Marsh McLennan Agency - St. Louis's tech stack below.

  • Pendo
    Analytics
  • TOGAF
    Business Process Management
  • Datawrapper
    Charting
  • Adobe Acrobat DC
    Rich Text Editors
  • Microsoft Teams
    Team Collaboration
  • Nginx
    Web Servers
  • Conditional Fields for Contact Form 7
    Widgets
  • Twitter
    Widgets

Media & News

Marsh McLennan Agency - St. Louis's Email Address Formats

Marsh McLennan Agency - St. Louis uses at least 2 format(s):
Marsh McLennan Agency - St. Louis Email FormatsExamplePercentage
FLast@jwterrill.comJDoe@jwterrill.com
82%
First.Last@jwterrill.comJohn.Doe@jwterrill.com
16%
F.Last@jwterrill.comJ.Doe@jwterrill.com
2%
First.Last@marshmma.comJohn.Doe@marshmma.com
97%
FirstL@marshmma.comJohnD@marshmma.com
2%
FirstLast@marshmma.comJohnDoe@marshmma.com
1%

Frequently Asked Questions

Where is Marsh McLennan Agency - St. Louis's headquarters located?

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Marsh McLennan Agency - St. Louis's main headquarters is located at 825 Maryville Centre Drive Suite 200 Chesterfield, Missouri 63017 United States. The company has employees across 3 continents, including North AmericaAfricaEurope.

What is Marsh McLennan Agency - St. Louis's official website and social media links?

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Marsh McLennan Agency - St. Louis's official website is marshmma.com and has social profiles on LinkedIn.

What is Marsh McLennan Agency - St. Louis's NAICS code?

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Marsh McLennan Agency - St. Louis's NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does Marsh McLennan Agency - St. Louis have currently?

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As of June 2026, Marsh McLennan Agency - St. Louis has approximately 201 employees across 3 continents, including North AmericaAfricaEurope. Key team members include Vice President & Practice Leader, Private Client Benefit Services: K. J. G.Vp - Health Management Consultant: D. A.Vice President Client Service Manager: C. W.. Explore Marsh McLennan Agency - St. Louis's employee directory with LeadIQ.

What industry does Marsh McLennan Agency - St. Louis belong to?

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Marsh McLennan Agency - St. Louis operates in the Insurance industry.

What technology does Marsh McLennan Agency - St. Louis use?

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Marsh McLennan Agency - St. Louis's tech stack includes PendoTOGAFDatawrapperAdobe Acrobat DCMicrosoft TeamsNginxConditional Fields for Contact Form 7Twitter.

What is Marsh McLennan Agency - St. Louis's email format?

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Marsh McLennan Agency - St. Louis's email format typically follows the pattern of FLast@jwterrill.com. Find more Marsh McLennan Agency - St. Louis email formats with LeadIQ.

Marsh McLennan Agency - St. Louis

InsuranceMissouri, United States201-500 Employees

Marsh & McLennan Agency - St. Louis is a full-service provider of risk management and employee benefit solutions. Our comprehensive list of services includes commercial insurance, personal insurance, surety bonds, loss control services, risk management consulting, employee benefit plans and administration of benefit programs for self-insured businesses.

Founded in 1972, J.W. Terrill has built a tradition of customer service and commitment to employees to become one of the largest independent brokerages in the United States. In 2015 J.W. Terrill joined Marsh & McLennan Agency, a subsidiary of Marsh, a global leader in insurance broking and risk management. Based in St. Louis, Missouri, J.W. Terrill serves accounts with premiums totaling over $514 million with a staff of 200 employees.

Section iconCompany Overview

Headquarters
825 Maryville Centre Drive Suite 200 Chesterfield, Missouri 63017 United States
NAICS Code
524 - Insurance Carriers and Related Activities
Employees
201-500

Section iconFunding & Financials

  • $250M$500M

    Marsh McLennan Agency - St. Louis's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Marsh McLennan Agency - St. Louis's revenue is estimated to be in the range of $250M$500M

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