A Los Angeles media agency once used its client page to question the client-logo wall. Its alternative tells you something useful about buying advertising: ask who did what, then ask what happened.
Horizon Media became one of America’s largest media agencies without joining a global holding company. Now it is trying to prove that independence can be more than an ownership detail - it can be a product strategy.
The independent agency built its name buying digital ads. Its next act is harder: proving which dollars actually caused growth, and exposing the ones that did not.