OpenSecrets is a nonprofit organization based in Washington, D.C., that tracks and publishes data on campaign finance and lobbying, including a revolving door database which documents the individuals who have worked in both the public sector and lobbying firms and may have conflicts of interest.

[10][11][12][13][14] Examples of investigations conducted by the organization include uncovering that Carolina Rising, a 501(c)(4) social welfare organization spent $4.7 million in 2014 on political ads in support of Thom Tillis, Senate candidate from North Carolina,[15] and that the Donald Trump 2020 presidential campaign was financially related to the rally that preceded the January 6 United States Capitol attack.

[1] In the 1980s, Church and Scott launched a "money-in-politics" project, whose outcome consisted of large, printed books.

In 1999, three regional teams merged to form NIMP, based in Helena, Montana.

The organization published the Follow The Money website, where it compiled political funding information from government disclosure agencies.