Millie makes it easy to discover and support causes you care about. With access to 7M+ nonprofits worldwide, you can quickly find a specific organization—or explore new ones by cause, location, or impact.
Quick Search: Find a Specific Nonprofit
Use the top search bar to look up a nonprofit by name or keyword.
- Start typing the organization’s name (e.g., CASA Boston).
- Millie will return exact matches first, plus related results.
- Click a nonprofit to view its profile, donate, or volunteer.
Pro tip: If keyword results are broad, use filters (below) to narrow things down.
Most Accurate Method: Search by EIN
If you’re having trouble finding a specific organization, search by EIN (Employer Identification Number).
- Find the nonprofit’s EIN (often listed on Google or the nonprofit’s website).
- Copy the EIN.
- Paste it directly into Millie’s search bar.
This returns a precise, one-to-one match, making it the best option for exact searches.
Discover New Nonprofits
Looking for something new to support? Millie offers powerful filters to help you explore.
Filter by:
- Category & Subcategory – Based on how nonprofits file taxes (e.g., Animals → Wildlife Preservation).
- Location – Search by city, distance, country, or globally.
- Favorites – Quickly revisit nonprofits you’ve saved.
- Matching Eligibility – See nonprofits eligible for your organization’s matching program.
- Badges – Highlight nonprofits by characteristics like newer organizations or highly engaged communities.
You can stack filters to refine your results even further.
Searching Outside Millie’s Core Database
Can’t find a nonprofit you know exists?
Use Global Organization Search to look beyond Millie’s fully vetted nonprofits.
- These organizations are accessible for donating or volunteering.
- Some may require a “Request to Add” so they can complete vetting and registration through Millie’s distribution partner (DAF).
Once approved, they’ll appear with a full profile in Millie.
Need Help?
If you have questions or need help finding a nonprofit, our team is here for you. Happy searching—and thank you for making an impact with Millie 💛