Kate Hallahan is named as a lobbyist on federal disclosure filings for 16 clients through Team Hallahan LLC. The most recent filing naming them posted in October 2026. Issues reported include Aviation/Airlines/Airports, Budget/Appropriations, Medical/Disease Research/Clinical Labs and Economics/Economic Development.
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| THE ROOSEVELT GROUP (ON BEHALF OF LSU HEALTH SCIENCES FOUNDATION) | TEAM HALLAHAN LLC | Q3 2026 | Medical/Disease Research/Clinical Labs |
| THE DOERRER GROUP LLC (ON BEHALF OF THE BOEING COMPANY) | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| SULLIVAN STRATEGIES LLC (ON BEHALF OF JOBSOHIO) | TEAM HALLAHAN LLC | Q3 2026 | Economics/Economic Development |
| PROFESSIONAL AVIATION SAFETY SPECIALISTS, AFL-CIO | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| NATIONAL BUSINESS AVIATION ASSOCIATION | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| MOLSON COORS BEVERAGE COMPANY USA LLC | TEAM HALLAHAN LLC | Q3 2026 | Beverage Industry |
| LEIDOS, INC. | TEAM HALLAHAN LLC | Q3 2026 | Budget/Appropriations |
| DP FACILITIES INC. | TEAM HALLAHAN LLC | Q3 2026 | Budget/Appropriations |
| DELTA AIR LINES | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| CITY OF CLEVELAND (C/O CLEVELAND HOPKINS INT. AIRPORT & BURKE LAKEFRONT AIRPORT) | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| BRISTOW GROUP, INC. | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| ANDREW PERRY, HOUSTON EXECUTIVE AIRPORT AND AUSTIN EXECUTIVE AIRPORT | TEAM HALLAHAN LLC | Q3 2026 | Aviation/Airlines/Airports |
| THE ROOSEVELT GROUP (ON BEHALF OF SERCO INC.) | TEAM HALLAHAN LLC | Q2 2026 | Transportation, Aviation/Airlines/Airports, Budget/Appropriations |
| JTR STRATEGIES LLC (ON BEHALF OF AVIDYNE CORPORATION) | TEAM HALLAHAN LLC | Q2 2026 | Aviation/Airlines/Airports |
| ROWLAND STRATEGY GROUP LLC ON BEHALF OF BRISTOW GROUP | TEAM HALLAHAN LLC | Q4 2025 | Aviation/Airlines/Airports |
| CJ LAKE LLC ON BEHALF OF BART, COUNTY OF MERCED, SAN JOAQUIN COG SAN J | TEAM HALLAHAN LLC | Q4 2025 | Transportation |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 15 | 1 |
| 2025 | 12 | 1 |
| Year | Items | Total |
|---|---|---|
| 2026 | 13 | $10K |
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 Kate Hallahan. See the Capitol Clarity rankings and method.