Insights

Market Leadership Marsh McLennan Agency - St. Louis is a prominent player in the insurance industry with an extensive client base and a solid reputation, evidenced by multiple awards for high net worth insurance brokerage. This positions the company as a trusted partner for premium clientele, offering opportunities to collaborate on specialized risk management and personalized insurance solutions.

Expansion Initiatives Recent office expansions and strategic acquisitions, including Robinson & Son and specialized maritime capabilities, indicate the company's active growth and diversification efforts. Sales teams can target new sectors such as maritime and senior living communities, highlighting tailored insurance packages and captive insurance options to meet evolving client needs.

Digital Engagement The use of advanced technologies like Demandbase, QlikView, and social media platforms suggests a digitally savvy organization that values data-driven decision making and online engagement. This provides a pathway to promote innovative insurance products, leveraging digital channels for targeted outreach to potential clients.

Financial Clout With revenues estimated between $250 million and $500 million and significant industry backing, Marsh McLennan Agency offers substantial capacity for customized risk and insurance solutions for mid-market and large enterprise clients, making it an attractive partner for high-value insurance programs.

Client Segments The company’s recent focus on senior living, maritime, and high net worth clients highlights key market segments that present ongoing sales opportunities. Tailored value propositions such as group captives and specialized risk management services can resonate well with these sectors, driving new business development.

Marsh McLennan Agency - St. Louis Tech Stack

Marsh McLennan Agency - St. Louis uses 8 technology products and services including Demandbase, QlikView, Adobe After Effects, and more. Explore Marsh McLennan Agency - St. Louis's tech stack below.

  • Demandbase
    Analytics
  • QlikView
    Business Intelligence
  • Adobe After Effects
    Cad & Graphics
  • PHP
    Programming Languages
  • Khoros
    Social Media Analytics And Monitoring
  • Microsoft ASP.NET
    Web Frameworks
  • AddThis
    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
1%
Last@jwterrill.comDoe@jwterrill.com
1%
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 AmericaEuropeAfrica.

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 SIC code NAICS code?

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Marsh McLennan Agency - St. Louis's SIC code is 6411 - Insurance Agents, Brokers, and Service 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 February 2026, Marsh McLennan Agency - St. Louis has approximately 201 employees across 3 continents, including North AmericaEuropeAfrica. Key team members include Vice President & Practice Leader, Private Client Benefit Services: K. J. G.Vice President Client Service Manager: C. W.Vice President And Producer: P. M.. 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 DemandbaseQlikViewAdobe After EffectsPHPKhorosMicrosoft ASP.NETAddThisTwitter.

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
SIC Code
6411 - Insurance Agents, Brokers, and Service
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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