Lead Library is a trusted B2B and B2C data provider that helps advertisers and agencies build, enrich, and activate verified audiences with precision. Gain 95 percent accuracy, full data ownership, and cross-platform activation to scale campaigns with confidence.
Most advertisers struggle with limited targeting, unreliable data, and walled gardens that restrict access to the insights that matter most. Lead Library changes that.
As a unified audience data platform, Lead Library connects verified business and consumer profiles with real-time behavioral data. This gives you the freedom to target both B2B and B2C audiences with unmatched accuracy, ensuring every campaign starts with data you can trust.
By giving you complete visibility and control over your audience data, Lead Library eliminates guesswork and empowers you to scale campaigns profitably.

With access to over 280 million verified U.S. consumer and business profiles, Lead Library allows advertisers to build precise, high-performing audiences.
Our platform scans more than 60 billion behaviors and URLs every week to identify buyers who are actively engaging with your industry, product, or service. You can segment audiences by company size, job title, buying behavior, or consumer interest to reach verified, intent-driven prospects.
Create hyper-targeted B2B audiences with verified business data.
Build consumer segments based on real behaviors and purchase intent.
Combine B2B and B2C profiles for hybrid targeting strategies.

The OmniPixel is one of the most powerful features of the Lead Library platform. It connects your website traffic to verified contact records in our database, turning anonymous visitors into real people you can reach and convert.
Unlike standard ad pixels that lose up to 75 percent of data, the OmniPixel captures and connects every visit to verified B2B and B2C profiles. This allows you to:
With the OmniPixel, you can finally see which companies and consumers are engaging with your brand and how close they are to becoming customers.
Accurate data is the foundation of every successful campaign. Lead Library’s enrichment process ensures your contact records are verified and complete.
Our audience data platform cross-references online and offline sources to validate each record, filling gaps and correcting errors. You receive enriched profiles with verified names, emails, phone numbers, locations, and behavioral attributes.
Validate every email against a database of over one billion verified addresses.
Connect verified names, phone numbers, and demographic data.
Confirm accuracy using real-world data sources.
Receive ready-to-use, verified contact records for activation.
Lead Library combines the precision of a B2B data provider with the scale of a consumer data network. Advertisers choose Lead Library because it provides what other platforms cannot: control, accuracy, and activation flexibility.
What Sets Us Apart:
Using Lead Library to Grow a 30k Subscription Newsletter From Scratch
Using B2B Behavioural Audiences to Generate a $22m Pipeline For Medical Saas
“We were getting $6-$9 per click, with a 20% avg conversion… with this, CPC at $1.03 and 50% conversion, 3x the number of total clicks”
“We have been hitting the same market for 3 years now and VSL opt-in costs usually $10-25. We uploaded the data from the OmniPixel and within 24 hours cost dropped by 50%”
“This is one of the best products that I have sold. I got 24 extra appointments for my client just from the pixel.”
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Thousands of advertisers and agencies already trust Lead Library to power their campaigns with unmatched targeting and data accuracy.
Leave your info below and join the growing community of advertisers who are taking back control.