Brand Suitability
Across Complex Walled Garden Platforms

Zefr is helping power the age of responsible marketing by enabling transparent, content-level targeting and measurement across the walled garden platforms.

How We Do This

We ensure suitability standards between an ad and its content environment, so digital risk is minimized, investment is maximized, and social responsibilities are upheld.

Why It Matters

Online transparency and accountability are important for platforms, advertisers, creators and viewers. Zefr’s technology enables a more ethical online digital media landscape and experience for everyone.

Dive in Deeper


Stay up to date with the latest news from Zefr.

Case Studies

Read about our success stories here.


Learn more about Zefr's role in the future of responsible marketing.

Join Our Team

Learn More About Our Company Culture & Engineering Team

Culture at Zefr

Find out what it's like to work at Zefr

Engineering at Zefr

Learn more about our Engineering culture

Zefr is powering the age of responsible marketing.