Campaign for Accountability asked the Office of Congressional Ethics to investigate whether Rep. Rodney Frelinghuysen (R-NJ) violated House ethics rules when he warned a banking executive that a member of an activist group opposing the congressman worked at Lakeland Bank in New Jersey.

On April 19, 2017, CfA filed a complaint with Acting U.S. Attorney for the Western District of Missouri Tom Larson requesting an investigation into whether Missouri State Senate President Pro Tem Ron Richard violated federal law by accepting a $100,000 campaign contribution in return for legislative assistance.

On January 31, 2017, CfA asked the Office of Congressional Ethics to immediately open an investigation into whether unnamed employees of the House Judiciary Committee broke any federal laws or House rules by helping President-elect Trump draft his executive order limiting immigration from seven Muslim majority countries.

On January 6, 2017, CfA called on the Department of Justice and the Office of the Comptroller of the Currency to investigate OneWest bank for using potentially illegal tactics to foreclose on as many as 80,000 California homes.  Mr. Mnuchin, whom President-elect Trump has nominated for Secretary of the Department of the Treasury, previously served as the CEO of OneWest.