Trusted for More Than 25 Years

iMIS Association Software has more than fourty thousand users.



iMIS Association Software helps manage more than fifty million members.



iMIS Association Software is used in more than twenty countries.




Since 1991 we've helped thousands of clients of all types and sizes including associations, membership, regulatory, unions, faith-based, public media, charities, and other non-profits.



We're proud to announce we've acquired TopClass by WBT Systems, the top-rated Learning Management System (LMS) for associations and non-profits. Find out how together we can transform your online learning.

TopClass LMS


Powered by the Cloud Leader

We've partnered with Microsoft, and together we deliver a cloud experience that is 100% optimized for iMIS. Powered by Microsoft Azure, the world's leading cloud computing platform used by 95% of Fortune 500 companies, ASI Cloud Services offers unparalleled scalability, reliability, and performance.


Loved by Our Clients


"iMIS has helped us make better business decisions because it gives us a 360° view of our members."


Continuous Performance Improvement Machine

iMIS EMS is the world's only Engagement Management System (EMS)™ — fusing database management and web publishing into a single system — leading to operational efficiencies, revenue growth, and continuous performance improvement.

iMIS Works for your Members and Donors on Any Device

The iMIS Marketplace

iMIS EMS Works with Your Favorite Solutions


Helpful Resources

Improve Performance

Hands-on tools to boost member engagement & drive growth, including best practices & case studies.

See How You Compare

Learn how your peers are doing with the 2021 Membership Performance Benchmark Report - COVID Edition.

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