The Cook County Clerk's Ethics Filings Division accepts and records documents detailing the financial activities of public officials, candidates, certain government officials and lobbyists.

Pursuant to the COVID-19 Pandemic, the Clerk's office will be closed to the public until further notice.

We thank you for your patience as we do our part to help slow the spread of COVID-19. 

Submit a Statement of Economic Interest (SEI) or view which units of government, elected officials & employees submitted an SEI as well as how they answered.

Register with the Clerk's office as a lobbyist or view the Public Portal to search lobbyists, clients, activity, compensation & more.

Financial information about political committees and candidates is available in a searchable format at the Illinois State Board of Elections website.

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Mar 15
Feb 22

Lobbyists paid nearly $3 million in 2015, up 25.4%

2015 was highest grossing year on record for Cook County lobbyists