iMIS

G2 Summer 2026: iMIS Leads Association and Nonprofit Management

iMIS earned 14 new badges and retains its Leader position in the Association Management Software category for the 34th season in a row.

Debbie Willis

Jun 4, 2026

The G2 Summer 2026 report is out, and the iMIS^® has earned Leader badges in the Professional Association Management, Nonprofit CRM, Fundraising, and Donor Management categories.

This is the 34^th consecutive season, and the 9^th year, since Spring 2018, that iMIS has defended its Leader title in the Association Management Software category on the Enterprise Report Grid®. The G2 software review site rates products and vendors based on feedback and ratings gathered from B2B software users like you, along with data aggregated from online sources and social networks.

Purposely built to help associations achieve great things, iMIS does so much more than an AMS. iMIS is the industry’s only Engagement Management System (EMS) platform. With increasing market presence and high customer satisfaction, nothing makes us prouder than our happy customers who brought us to our Leader position.

Here’s a round-up of the 14 badges iMIS collected in Summer 2026:

4 Leader badges in the Professional Association Management category in the Association Management Grid^® Report (Momentum Leader and🏆Leader!), Mid-Market Association Management Grid® Report, and Small-Business Association Management Grid® Report.
3 Leader badges in the Association Management category in the Association Management Grid^® Report, Mid-Market Association Management Grid^® Report, and Small-Business Association Management Grid® Report.
2 Leader badges in the Nonprofit CRM category in the Nonprofit CRM Grid^® Report and Small-Business Nonprofit CRM Grid^® Report.
2 badges in the Fundraising category for High Performer in both the Fundraising Grid^® Report and Small-Business Fundraising Grid^® Report.
2 badges in the Donor Management category for High Performer in both the Donor Management Grid^® Report and Small-Business Donor Management Grid^® Report.
1 Users Love Us badge. iMIS has over 200 reviews with an average rating of 4.2 stars out of five.

Every month, millions of people research and compare business software, trusting G2 as their source for honest, unbiased reviews.

The entire team at Advanced Solutions International (ASI), the developers of the iMIS, are happy and humbled that our clients trust us as the Leader in the space. A huge thank you to our clients who took the time to share their experiences with their peers.

What people are saying about iMIS:

"Excellent Learning Hub, AI Bot, and Responsive Tech Support"

"It's our one source of truth, handling data efficiently, keeping it organized and clean, and giving us a holistic view of our member organizations and their related employees."

"The product ongoing development is the best part. The [enhancement] requests are acted upon and the issue [support] is great"

"I like iMIS because it makes managing memberships simple and efficient. Features like persisted cash invoices, unique invoice numbers, and detailed reporting ensure accurate records, save time, and make it easy to track billing history."

Did you hear that iMIS was named to G2’s 2026 Best Software Awards?

We're proud that iMIS was named to G2’s 2026 Best Software Awards. G2’s annual Best Software Awards rank the world’s top software companies and solutions based on verified user reviews and publicly available market presence data. The 2026 awards reflect feedback collected during the 2025 calendar year, recognizing solutions that demonstrate strong client satisfaction and measurable impact.

iMIS is rated 25^th on the Non-Profit Products list. This recognition underscores the continued trust that associations, unions, regulatory bodies, and other non-profits place in iMIS to power digital transformation and strengthen member engagement.

"Their verified reviews demonstrate the measurable impact iMIS delivers in strengthening engagement, streamlining operations, and driving revenue growth for associations and non-profits."

Achieve more with a platform as unique as you

You can’t afford to be held back by complicated systems that weren’t originally designed for you. Only iMIS is purpose-built for the way associations and membership organizations work. iMIS meets your unique core membership needs and offers the flexibility to extend and evolve with advanced integration tools and automatic, continuous upgrades.

Single Data Source

Get a complete picture of your members with a single source of truth.

Advanced Accounting

Easily handle your complex billing and pricing structures.

Personalized Member Experiences

Engage members with personalized microsites and member portals.

Eliminate Customizations

Eliminate expensive customizations with native CRM, AMS, CMS, and accounting functionality.

Take a 3-minute quick tour of iMIS now to see how iMIS is purpose-built to handle your complexities from its core, freeing you to focus on your mission, not your technology.