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Boston

Marsh McLennan Agency specializes in delivering superior employee health & benefit and risk management solutions. Marsh McLennan Agency is one of the largest insurance brokerages in the U.S., leveraging size, scope, and vendor relationships.

 

We are proud to be named a Top Workplace in Massachusetts.

Boston
101 Huntington Ave
Ste 401
Boston, Massachusetts 02199-7603

(617) 587 2300

Local Support | Global Reach

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Wide industry expertise.

Our promise is to connect you with our team of professionals who have specific expertise in your industry.

Automotive Construction Education Financial Institutions Health Care Human Services & Non-Profit Life Sciences Manufacturing Real Estate Transportation & Trucking Technology View all industries

Leadership

Jari Chelstowski

Executive Vice President of Human Resources

Client Tools

Mineral

Mineral is a multi-faceted internet and phone-based HR tool designed to help protect you from the risk and liability associated with complex HR issues ranging from hiring and onboarding to performance management, employee relations and web-based training courses. A username and password are required to access this site.

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HRonline

HRonline is an innovative knowledge-based tool that keeps you informed about all the latest news and information. This easy-to-use, online system gives human resource staff convenient access to the information they need to efficiently complete their tasks.

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Succeed Risk Management Center

Marsh McLennan Agency Risk Management Center software platform. A username and password are required to access this site.

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Featured Insights

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How to Build a Financial Safety Net that Catches What Matters Most

08/12/2026
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Marsh McLennan Agency to acquire Accel Holdings, Inc.

08/10/2026
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The ACA’s Affordability Safe Harbor Percentage Increases to 10.22% for 2027

08/10/2026
More Insights

Featured Events

Senior couple consulting with healthcare worker about their insurance policy while having a meeting at clinic.

On demand | Medicare 101

12/10/2024
Two multi ethnic affectionate girl friends embracing as they sit in a coffee shop enjoying a cup of coffee together

On demand | The social portfolio - MIT AgeLab

11/19/2024
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Awards and Recognition

The Boston Globe Top Places to Work 2025 Badge

The Boston Globe

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