Definers Public Affairs

Defunct

Washington, D.C., United States · Founded 2016

11-50 employees

Sourced & current · updated Jul 30, 2026

Definers Public Affairs was a Washington D.C.-based opposition research and public affairs firm that gained notoriety for its work on behalf of major tech companies including Facebook.

Where they sit

Marketing Agency

Niche opposition research and public affairs firm serving major corporate and technology clients, known for aggressive media and research tactics

Competitors

SKDK