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Charleston

Marsh McLennan Agency has been a part of the Charleston community since 1974 as an insurance firm dedicated to providing quality business and private client services. We work with clients across the Southeast, offering a full line of insurance products and bonds. Our Charleston team synthesizes passion, experience, and innovation with the substantial global resources available through Marsh McLennan affiliates to create limitless opportunities for local businesses. 


We are proud to be named a 2022 Top Workplace in South Carolina by Charleston Business, Business Monthly Columbia, and Greenville Business Magazine.  MMA has also been recognized as a Best Place to Work by the South Carolina Chamber of Commerce for over ten years. 

Charleston
100 Brigade St Ste 201
Charleston, South Carolina 29403-3132

(843) 725-1930

Local Support | Global Reach

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Featured Events

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Beyond the Buzz - AI Data Governance & Protecting Against AI Risks

10/21/2025
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Webinar | Budgeting for Success: Debt & Savings Strategies

10/21/2025
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Featured Insights

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Antidotes to Overspending: Five Strategies for Managing GLP-1 Costs

10/17/2025
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Gag clause attestation reminder update

10/17/2025
CCOE_2024_Blog

A Summary of 2026 Health and Welfare Plan Limits and Other Annual Adjustments

10/16/2025
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Hurricane Resource Center

Hurricane season is here.

Stay on top of potential threats from hurricanes including powerful winds, heavy rain, storm surges, coastal and inland flooding, rip currents, tornadoes, and landslides with MMA's dedicated hurricance resource center.

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Leadership

Client Tools

CSR24

CSR24 provides online certificates of insurance, certificate tracking, after-hours claims reporting and policyholder self-service offerings. If you experience trouble logging in, please contact your account manager.

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Mid-Atlantic - Pay Your Invoice

Please refer to your Marsh McLennan Agency (MMA) invoice for specific payment options. All invoices sent to you from an insurance carrier must be remitted directly to the carrier per their invoice instructions.

Pay with Checking or Savings Account Pay with Credit Card

File a Claim Information

For after-hours, holiday, or weekend claims emergencies, please click below for a list of carrier claim reporting numbers.

Please call your local MMA office if you don’t see the claim reporting information listed in the link above for your carrier.

Carrier Claims

Risk Management Center

Risk Management Center is a secure web-based risk management and safety platform designed to ease compliance, improve risk prevention efforts and results and relieve regulatory challenges.

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MMA Training Center

We offer our risk clients access to the MMA Mid-Atlantic Training Center, which contains high-quality, online, employee training courses in 5 major libraries; Safety, Human Resources, Wellness, Environmental, and Healthcare. 

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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.

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