Peer39

Peer39 invented the category of Pre Bid non-cookie based data starting with Semantic-based contextual categories, then Brand Safety and then Page Quality. Since then it has continued to scale at the pace of RTB, and has brought to market many meaningful data points that advertisers find valuable, and predictable to use to scale their performance campaigns. For Brands, Advertisers, and Traders looking for performance and scale from their digital media, Peer39 offers the largest and most scaled set of data available from any data provider on the market

Domain

peer39.com

Industry

Ad Targeting

Employees

11-50

Last Funding

$18.0M

Founded

2005

Frequently Asked Questions

What technologies does Peer39 use?+

Peer39 uses 33 technologies including Font Awesome, HubSpot, React Router.

What industry is Peer39 in?+

Peer39 operates in the Ad Targeting industry.

Where is Peer39 based?+

Peer39 is headquartered in United States.

Need this data at scale?

Get ready-to-use datasets: companies, technologies, and tech adoption signals across 3M+ websites.

Browse Datasets

Data last updated: June 2026