JWT

Rebranded

New York, New York, United States · Founded 1864

10000+ employees

Sourced & current · updated Jun 8, 2026

JWT (J. Walter Thompson) is one of the world's oldest and most storied advertising agencies, known for iconic brand campaigns and global creative services across traditional and digital media.

Where they sit

Marketing Agency

One of the world's oldest and most storied full-service advertising agencies, historically a top-tier global creative network under WPP before being rebranded as Wunderman Thompson in 2018.

Ownership

Parent: WPP plc