Find Foundations
Already Funding Orgs Like Yours.
Proposium helps grant writers, development staff, nonprofit founders, and consultants turn real IRS grant history into a better prospect list. See which funders are most worth pursuing, save your top targets, and keep outreach notes in one place.
Built for grant writers, development teams, early-stage nonprofits, and fundraising consultants.
Best-Fit Funders
Based on real IRS grant history
12
Foundations
$48k
Avg Grant
6
States
Robert Wood Johnson Foundation
Princeton, NJ · funded 8 similar orgs
W.K. Kellogg Foundation
Battle Creek, MI · funded 5 similar orgs
Annie E. Casey Foundation
Baltimore, MD · funded 3 similar orgs
From nonprofit profile to
usable prospect list
Skip the spreadsheet scramble. Proposium helps you find likely funders, understand why they fit, and keep your strongest prospects organized for outreach.
Add Your Nonprofit
Enter your mission, focus area, location, and EIN. If you have a website, we can pull in the basics for you.
See Best-Fit Funders
We search real IRS 990-PF grant history to surface foundations already funding nonprofits with similar work, geography, or mission.
Save Prospects and Work the List
Shortlist strong prospects, review grant history, add outreach notes, and keep contact research attached to each funder.
Simple, transparent pricing
Start free to validate the matches. Upgrade when you want a real prospecting workflow for weekly research and outreach.
Pro
For active prospecting
Built for grant writers, development staff, and small nonprofit teams.