M3 Insurance is a commercial insurance brokerage headquartered in Madison, Wisconsin. M3 Insurance ranked #47 on Business Insurance’s 2025 list of the 100 largest brokers of U.S. business and describes itself as privately held and independent.
Its website (www.m3ins.com) lists industry specialties including Construction & Real Estate, Education, Financial Institutions, Food & Agribusiness, Government, Healthcare, Manufacturing & Distribution, Senior Living & Social Services, Transportation and Tribal Nations.
Industry, coverage, and client-size tags on this profile reflect what the firm publishes about itself and are not an endorsement or an independent audit. Confirm capabilities directly with the firm.
Published Specialties
As listed on the firm's own website (m3ins.com). Not an endorsement or an independent audit.