GuideStar is the world's largest source of information on nonprofit organizations.

GuideStar's Mission is to revolutionize philanthropy by providing information that advances transparency, enables users to make better decisions, and encourages charitable giving.

If you care about nonprofits like ours, and the work we do, then you're affected by what GuideStar does. GuideStar gathers and disseminates information about every single IRS-registered nonprofit organization. They provide as much information as they can about each nonprofit's mission, legitimacy, impact, reputation, finances, programs, transparency, governance, and so much more, so you can take the information and make the best decisions possible.