RhythmOne

Acquired

San Francisco, California, United States · Founded 2004

501-1000 employees · RONE

Sourced & current · updated Jun 19, 2026

RhythmOne — recorded in ATDb as the acquirer/parent of one or more AdTech companies (s375 lineage backfill).

Where they sit

Mid-tier independent programmatic advertising platform with strong video and cross-screen capabilities prior to acquisition by Tremor International

Parent: Tremor International

Subsidiaries