Capitol Clarity / Lobbyists / C / Colleen Costello

Colleen Costello: federal lobbyist

Colleen Costello is named as a lobbyist on federal disclosure filings for 1 client through National Treasury Employees Union. The most recent filing naming them posted in October 2026. Issues reported include Budget/Appropriations, Government Issues, Health Issues and Labor Issues/Antitrust/Workplace.

1Clients on filings

1Registrants

4Issue categories

1Years with reports

Former government positions listed

Filers must list covered executive or legislative branch positions held. As filed:

Office of Senator Sheldon Whitehouse (D-RI)/Legislative Assistant, Associate Legislative Aide, Legislative Correspondent

Clients and registrants

Client	Registrant	Latest	Issues
NATIONAL TREASURY EMPLOYEES UNION	NATIONAL TREASURY EMPLOYEES UNION	Q3 2026	Labor Issues/Antitrust/Workplace, Government Issues, Health Issues

Activity by year

Year	Clients	Registrants
2026	1	1

Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Colleen Costello. See the Capitol Clarity rankings and method.