Peer39
Peer39 is a contextual targeting, brand safety and analytics for programmatic advertising.
Peer39 operates in the AdTech Vendor segment.
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Distinction
Peer39 is not a DSP, SSP or general-purpose CDP. It is a contextual intelligence, brand suitability and analytics vendor used within programmatic buying workflows.
- Founded
- 2006
- Headquarters
- United States
- Core Segment
- AdTech Vendor
- Company Size
- 50–200
- Official Links
- Website
- Verified
- 2026-04-22
Key insights about Peer39
Peer39: About
Peer39 operates a B2B adtech model centred on privacy-safe contextual intelligence. It creates proprietary contextual categories, safety classifications and campaign measurement signals, then distributes them through integrations with DSPs and SSPs so buyers can activate or analyse campaigns inside existing media buying workflows. Value is created by helping advertisers improve suitability, reduce unsafe placements, preserve reach and gain better transparency in CTV and open web buying.
Products & Services in Categories
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Technology
Ad Format
Peer39: Market Position
Peer39 is a US-based adtech company providing contextual targeting, brand safety, suitability and campaign analytics products for programmatic advertising. Its platform is built around cookieless contextual data and measurement capabilities used across display, mobile web, in-app and connected TV environments. The company sells primarily to advertisers, agencies, DSP users and other programmatic partners that need pre-bid controls, contextual activation and post-buy transparency.
The business makes money by licensing contextual data, charging activation or usage fees tied to programmatic delivery, and providing platform access embedded inside DSP and SSP workflows. Its analytics offering is often bundled to support campaign performance visibility and to reinforce adoption of its higher-value contextual and safety products.
Peer39: Key Competitors & Alternatives
→ View full competitor landscapePeer39: Frequently Asked Questions
What is Peer39?
Peer39 is a B2B adtech company that provides contextual targeting, brand safety, suitability controls and campaign analytics for programmatic advertising.
Who uses Peer39?
Advertisers, agencies, programmatic buyers, DSP users and some platform partners use Peer39 to improve targeting, suitability and measurement across web, mobile and CTV.
How does Peer39 make money?
Peer39 makes money mainly from contextual data licensing, activation fees within programmatic platforms and related platform access, with analytics often bundled to support usage.

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