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Finding Organization Information
Better Business Bureaus
Find short reports on and complaint filings for charity organizations.
This organization was founded in 2001 and conducts evaluations of charities, specifically their financial health and their accountability and transparency
Disseminates information about philanthropy worldwide. Click the Gain Knowledge tab for data and statistics.
Guidestar (Philanthropic Research Inc.)
This site functions as a directory of nonprofit organizations that is searchable by name, geographic location, type of organization, and income range. From the directory you can link to each organization's IRS Form 990 (income tax return). Sign up for a free account to see more detailed information.
Wisconsin Corporations: Businesses & Nonprofits (Wisconsin Historical Society)
Find incorporation records and charter documents for thousands of Wisconsin corporations (1848-1993).
Data and Rankings
Charity Watch provides rankings and publishes news about nonprofit organizations. Click the "Top Rated Charities" link at the top to get a list of "competitors" for your organization.
Note: Most information on Charity Watch is available to members only.
National Center for Charitable Statistics
The NCCS is "the national repository of data on the nonprofit sector in the United States. Its mission is to develop and disseminate high quality data on nonprofit organizations and their activities for use in research on the relationships between the nonprofit sector, government, the commercial sector, and the broader civil society."
Polling the Nations
Restricted to 4 users at a time
Compiled from more than 12,000 surveys conducted since 1986 in the United States and 70 other countries, the 300,000 questions and responses in Polling the Nations are the most comprehensive collection of polling data anywhere.
Statista offers data on over 80,000 topics from over 18,000 sources. Categorized into 21 market sectors, it provides users with direct access to quantitative data on media, business, finance, politics, and a variety of other areas of interest.
IRS Tax Information
The IRS has links to information on applying for tax-exempt status, filling out 990 forms, and more.
Foundation Center 990 Finder
The 990 Finder allows you to search for 990 forms filed by non-profit organizations. You can search by organization name, state, zip code, Employer ID Number (EIN), and filing year.