Zefr, Inc.

About Zefr, Inc.

Zefr provides brand suitability and contextual targeting technology for advertisers on YouTube, TikTok, Facebook and other social video platforms. Its machine-learning systems scan and classify millions of videos daily, mapping content against GARM and brand-specific safety standards to ensure ads appear only alongside appropriate material. The company delivers dashboards, verification reporting and programmatic integrations that help marketers maximize reach while minimizing reputational risk. Founded in 2009 and headquartered in Los Angeles, Zefr works with global agencies and Fortune 500 brands to align campaigns with brand values and regulatory requirements.