ZEFR

ZEFR is an adtech company in Los Angeles, United States, founded in 2009. It has raised $58.6M across 4 rounds, most recently a $30.0M Series D in February 2014.

Total Walled Garden Transparency

Employees
201–500
Founded
2009
Business Model
B2B
Website
zefr.com
Total Funding
$58.6M
Last Round
$30.0M Series DFeb 2014
Rounds
4

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 4 funding rounds and 7 investors for this company. The full record is or through the API.

About

ZEFR is a social platform intelligence company that uses patented AI to classify over 5 billion content types per day for brand suitability across walled garden environments including YouTube, TikTok, Meta, and more. The company enables advertisers to target and measure brand-safe, suitable ad placements and provides post-campaign verification aligned with GARM industry standards. ZEFR partners directly with major social platforms as an MRC-accredited third-party measurement provider.

Summary

It lists 201–500 employees. It has raised $58.6M in total across 4 rounds, most recently a $30.0M Series D round in Feb 2014. Investors include IVP, Sequoia Capital and US Venture Partners.

Tech & App Stack

5 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

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Funding History

Data from Indexed.vcUpdated
Series DSeries DFeb 2014
$30.0M

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Funding: Series A through Series D. Amounts, valuations, and investors where available.

Investors

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ZEFR on Indexed.vc
<a href="https://indexed.vc/companies/zefr"><img src="https://indexed.vc/api/badge/company/zefr" alt="ZEFR on Indexed.vc" width="260" height="76" /></a>