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Lobbyist Data - Lobbyists

Published by data.cityofchicago.org | City of Chicago | Catalog Last Checked: July 14, 2026 at 10:15 PM | Dataset Last Updated: July 13, 2026
Lobbyists registered with the Chicago Board of Ethics since 2012. Due to requirements for lobbyists to re-register and the importance of showing year for most lobbying-related data, the same lobbyist often will have multiple records. See http://www.cityofchicago.org/city/en/depts/ethics/provdrs/lobby.html for more information on the Board of Ethics' role in regulating and reporting on lobbying in Chicago.

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