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About GrantSonar

Your AI grant team — built by people who've sat on your side of the table.

GrantSonar is your AI grant team — find, fit, draft, review. It matches your organization to grants you're actually eligible for, researches the funder, assesses fit, and drafts the application. Run it yourself, or have us run it for you.

We built it because grant prospecting is broken in a specific way: the directories charge you to look, then leave the real work — the fit calls, the funder research, the drafting, the review — on your desk. The listings were never the hard part. The work is. So we built the tool that does the work, and kept the looking free.

Who's behind it

GrantSonar was founded by a managing director with nearly two decades in public-sector consulting across state and local government, education, and nonprofits — focused on controls, compliance, modernization, and AI. The chair of our advisory committee is a former president of a large regional healthcare system's foundation. We've spent our careers on the operator's side of funding: the compliance reviews, the audits, the applications that had to be right.

GrantSonar is a product of Wendell Labs, LLC.

The data underneath

236,000+ U.S. grantmaking foundations, 4.6 million itemized grant records from public IRS Form 990 / 990-PF filings, and 5,000+ live, open grant opportunities monitored daily. Every public number we publish is dated, sourced, and rounded down.

See the live statistics page

How we operate

  • Honest numbers, always.

    Sourced, dated, rounded down — on our marketing pages and inside the product. Our comparison pages say where competitors beat us.

  • Flat fees, never a percentage of your award.

    Grant funds belong to your mission. Our done-for-you work is fixed-fee, and our software is a subscription with no usage meters.

  • Free to look.

    Search, funder identity, and our statistics stay free. You pay when the tool starts doing the work for you.

Talk to us

Questions, feedback, or press inquiries: [email protected] · Media resources at /press

See your matches free