All lobbying firms
SIMPSON THACHER & BARTLETT LLP
Registrant on federal lobbying filings · filed 2026 to 2026
$20,000
Income reported
1
Clients represented
3
Filings counted
0
Former members lobbying
Clients
1
- CHANGPENG ZHAO $20,000
Lobbyists named
1
- RAPHAEL A. PROBER
Reported by year
1 year
- 2026 $20,000
Issues lobbied
1
Recent filings
3 total