Peer39
Peer39 is an employee-owned ad-tech company that provides AI-driven contextual classification, brand safety, and verification for programmatic advertising across CTV, display, mobile, and online video, serving advertisers, agencies, publishers, and DSP partners via a subscription SaaS model.
- Company typePrivate
- Founded2008
- HeadquartersNew York, United States
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Peer39 does
Peer39 is a New York-headquartered contextual advertising technology company that operates an AI-driven semantic analysis platform for programmatic media buyers. Founded around 2006–2008 and wholly employee-owned since 2019 (legal entity P39 Tech, LLC), the company classifies 2.5 billion unique URLs and apps daily into 300+ semantic categories and 4,300+ total categories spanning CTV, display, mobile, and online video, supporting cookieless pre-bid targeting, brand safety, suitability verification, and post-buy analytics. Core products include Advanced Contextual, the Analytics dashboard (150+ measured dimensions), Brand Safety & Suitability controls, the Contextual Data Marketplace (with Experian as a flagship data partner), and CTV program-level targeting with the proprietary CTV Quality Score and MFA/Fake CTV detection. The company monetizes primarily through enterprise SaaS subscriptions on annual contracts with quote-based pricing, supplemented by self-serve access for mid-market buyers and marketplace commission revenue, distributing via direct enterprise sales and embedded integrations with major DSPs (The Trade Desk, Amazon DSP, DV360, Meta, Freewheel, Basis, MediaMath, Microsoft, Adform).
Peer39's customer base spans advertisers, agencies, publishers, and programmatic partners across verticals including transportation, home services, banking, health and wellness, pharma, gaming, and manufacturing, with a Tel Aviv engineering office supporting R&D. The June 2026 acquisition of Adloox from Scope3 added MRC-accredited viewability and invalid traffic verification, extending platform coverage into Google DV360 and Meta environments that were previously outside Peer39's verification footprint. With 11–50 employees and no disclosed institutional funding since 2019, the company has operated as a bootstrapped, employee-owned business investing in product expansion, DSP distribution, and adjacent M&A rather than aggressive top-line scaling.
Peer39 firmographics
Firmographics- Name
- Peer39
- Legal name
- P39 Tech, LLC
- Website
- https://peer39.com
- Company type
- Private
- Founded year
- 2008
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Peer39 is an employee-owned ad-tech company that provides AI-driven contextual classification, brand safety, and verification for programmatic advertising across CTV, display, mobile, and online video, serving advertisers, agencies, publishers, and DSP partners via a subscription SaaS model.
- Ownership category
- akta.pro rank
Peer39 industry classification
Industry- Product category
- Contextual Advertising Technology
- NAICS
- Advertising Agencies (541810), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)
- SIC
- Services-Advertising (7310)
- akta.pro primary industry
- Content Identification & Matching (Fingerprinting, ID Resolution) (MPAHALAE)
- akta.pro secondary industry
- Programmatic Display & Retargeting (DSP) (MPAAACAE)
Keywords
Where Peer39 is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Peer39 business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- Subscription/Software Licensing: SaaS platform access with subscription-based pricing for the contextual advertising intelligence platform. Customers pay for access to pre-bid targeting categories, post-buy analytics, and planning tools. No contract is required for Peer39 Analytics.
- Data Marketplace Commission: The Contextual Data Marketplace enables third-party data providers (e.g., Experian) to offer privacy-safe data sources through Peer39's platform, generating marketplace commission revenue
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise subscription with full platform access |
| Subscription | Monthly | Self-serve platform access |
Go-to-market motion4 records
Distribution channels4 records
Marketing channels9 records
Peer39 product offering
Product offeringCore offering
Peer39 provides an AI-driven contextual advertising intelligence platform that classifies digital content in real-time across CTV, web, mobile, and online video (OLV) for programmatic media buyers. The platform combines a proprietary semantic NLP crawler (peer39_crawler/1.0) with 300+ semantic categories and 4,300+ total categories to enable pre-bid contextual targeting, brand safety/suitability controls, MFA and fake-CTV fraud detection, and post-buy analytics. It also operates a Contextual Data Marketplace integrating third-party data providers such as Experian, and acquired Adloox in 2026 to add MRC-accredited viewability and invalid-traffic verification across DV360 and Meta environments.
Product overview
Peer39 is a contextual advertising technology platform offering a unified architecture of core products and modular features. The platform centers on Advanced Contextual (300+ semantic categories), Analytics (post-buy visibility across 150+ dimensions), Brand Safety & Suitability, and the Contextual Data Marketplace. CTV capabilities include program-level targeting, CTV Quality Score, and Publisher Solutions. Additional modules include Page Signals, Custom Categories (with Boolean logic), Sentiment Analysis, Viral & Trending, Mobile/Video Targeting, MFA Fraud Detection, Multilingual (40+ languages), and Weather Targeting. In June 2026, Peer39 acquired Adloox from Scope3, adding MRC-accredited viewability and invalid traffic detection for Google DV360 and Meta environments. The platform is available across major DSPs including The Trade Desk, Amazon DSP, DV360, Freewheel DSP, and Basis.
Differentiator
Problem solved
Functional benefit
Products and services
- Advanced Contextual The industry's largest cookieless pre-bid contextual category library with 300+ semantic categories enabling buyers to identify relevant, suitable, and quality inventory grounded in independently verified environmental signals across CTV, web, mobile, and OLV.
- Peer39 Analytics Post-buy analytics solution providing visibility into CTV, Display, and OLV campaign performance across 150+ measured data dimensions including CTV Quality Score, MFA impressions, Fake CTV impressions, viewability, and safety & suitability metrics.
- Brand Safety & Suitability Pre-bid controls for brand protection including brand safety, suitability, fake content avoidance, and MFA exclusion to prevent placements near harmful or undesirable content environments.
- Contextual Data Marketplace Data marketplace offering privacy-safe third-party data sources including Experian integration alongside Peer39's proprietary contextual categories for enhanced targeting strategies.
- Connected TV (CTV) Program-level CTV contextual planning and targeting solution with authenticated content signals, CTV Quality Score, brand safety pre-bid categories, and fake content detection across 2,000+ program-level categories.
- CTV Publisher Solutions Program-level CTV categorizations for publisher discoverability with multiple paths to increase revenue by surfacing brand-suitable content to programmatic buyers.
- Adloox Verification Ad verification system acquired from Scope3 providing MRC accreditation for ad viewability and invalid traffic detection, now integrated into Peer39's unified platform for DV360 and Meta environments.
- Self-Serve Platform (app.peer39.com) Planning and customization web application enabling buyers to apply environmental, suitability, and quality controls with confidence across CTV and open web, including 10,000 keywords/URLs and self-serve tag creation.
Quantifiable outcome
- Reduces invalid traffic by up to 50% with program-level pre-bid signals
- +7 more outcomes
Companies that use Peer39
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles3 records
Peer39 technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration11 records
AI capability7 records
Feature12 records
Peer39 partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered core and flagship.
- Adloox (from Scope3)coreAcquisition of ad verification system Adloox from Scope3, expanding Peer39's capabilities beyond open web and CTV into Google and Meta environments. Brings MRC accreditation for ad viewability and invalid traffic detection, enabling consistent quality signals across major platforms including Meta, Amazon DSP, DV360, connected TV, and the open web.
- Vesta Stream StudioscoreStrategic partnership to integrate program-level contextual intelligence into Vesta's FAST and CTV inventory spanning more than 50 million devices. The integration replaces app-level assumptions with Peer39's authenticated content signals, enabling buyers to discover and transact against individual programs. Ensures VPPA-compliant activation without relying on user-level data.
- ExperianflagshipExperian joined the Contextual Data Marketplace to bring privacy-safe data sources to contextual strategies, enabling advertisers to enhance targeting with Experian's data layers integrated with Peer39's category system.
- The Trade DeskflagshipDSP integration enabling Peer39's contextual categories and analytics to be deployed directly within The Trade Desk platform for CTV, web, and mobile campaigns.
- Amazon DSPflagshipIntegration with Amazon DSP following Adloox acquisition, enabling Peer39 verification and contextual signals across Amazon's demand-side platform.
- DV360 (Google)flagshipIntegration with Google Display & Video 360 enabled by Adloox acquisition, providing consistent quality signals and verification across DV360.
- MetaflagshipIntegration with Meta advertising platforms enabled by Adloox acquisition, extending verification and brand safety controls to Meta environments.
- BasiscoreProgrammatic partner DSP integration enabling Peer39's CTV and contextual targeting capabilities within the Basis platform.
- MediaMathcoreDSP partnership enabling Peer39's contextual categories and program-level CTV targeting through MediaMath's programmatic platform.
- MicrosoftcoreDSP integration with Microsoft Advertising platforms for contextual targeting and analytics deployment.
- FreewheelcoreProgrammatic partner integration enabling Peer39's contextual intelligence within Freewheel's advanced TV and video marketplace.
- AdformcorePartnership bringing contextual CTV capabilities to Adform's programmatic platform, enabling advertisers to access Peer39's program-level targeting through Adform.
Scale indicators19 records
Recent moves8 records
Expansion highlights5 records
Peer39 competitors and assessment
Company assessmentDirect peers
- DoubleVerify: Publicly traded ad verification and brand safety platform offering viewability, fraud, and contextual/brand suitability measurement across CTV, web, and mobile — directly competing with Peer39's verification and contextual offerings post-Adloox.
- HUMAN (formerly White Ops): Bot/fraud detection and ad verification provider with MRC accreditation, addressing the same invalid traffic and bot traffic problems Peer39's pre-bid signals and Adloox integration target.
- GumGum: Contextual AI platform applying computer vision and NLP to classify content for brand-safe programmatic targeting — directly comparable to Peer39's semantic categorization approach.
- Zefr: Brand suitability and contextual targeting specialist focused on CTV and video, with MRC-accredited verification — directly comparable to Peer39's CTV program-level targeting and brand safety capabilities.
- Oracle Advertising (formerly Grapeshot / Contextual Intelligence): Oracle's contextual intelligence and brand safety unit, offering pre-bid contextual categories and content classification for programmatic buyers — directly competing in the same contextual targeting category.
- Pixalate: Ad fraud intelligence and invalid traffic detection across CTV, mobile, and web — overlapping with Peer39's MFA and Fake CTV detection modules.
- Integral Ad Science (IAS): Major ad verification and brand safety competitor providing pre-bid contextual targeting, viewability, and IVT detection across CTV and digital — overlapping heavily with Peer39's core product surface.
Broad incumbents
- Comscore: Cross-platform media measurement and audience analytics incumbent serving advertisers and agencies — adjacent peer in the ad measurement and verification category where Peer39 operates.
- Scope3: Sustainability and supply-chain ad tech company; the prior owner of Adloox, which it sold to Peer39 in 2026. Comparable as a measurement/verification peer in the broader ad intelligence ecosystem.
- Kantar: Global advertising intelligence and media measurement incumbent offering brand lift, audience targeting, and contextual insights — comparable as a broad ad intelligence peer, though not a pure-play contextual provider.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Peer39 social profiles
Digital presencePeer39 financial estimates
Financial estimateRevenue estimate
Valuation estimate
Peer39 leadership team
Management profileNumber of profiles
Profiles6 records
Peer39 subsidiaries and ownership
Company hierarchySubsidiaries1 record
Peer39 funding detail
Funding detailFunding overview
Funding rounds8 records
Investors5 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Peer39 M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Peer39
What does Peer39 do?
Peer39 provides an AI-driven contextual advertising intelligence platform that classifies digital content in real-time across CTV, web, mobile, and online video (OLV) for programmatic media buyers. The platform combines a proprietary semantic NLP crawler (peer39_crawler/1.0) with 300+ semantic categories and 4,300+ total categories to enable pre-bid contextual targeting, brand safety/suitability controls, MFA and fake-CTV fraud detection, and post-buy analytics. It also operates a Contextual Data Marketplace integrating third-party data providers such as Experian, and acquired Adloox in 2026 to add MRC-accredited viewability and invalid-traffic verification across DV360 and Meta environments.
Is Peer39 a public or private company?
Peer39 is a private company. It is classified as management employee owned and is currently operating.
When was Peer39 founded?
Peer39 was founded in 2008. It employs 51 to 100 people.
Where is Peer39 based?
Peer39 is headquartered in New York, United States, in the North America region.
How does Peer39 make money?
Two revenue lines are on record. Subscription/Software Licensing is the primary driver. The others are data Marketplace Commission.
Who are Peer39's main competitors?
Direct peers on record are DoubleVerify, HUMAN (formerly White Ops), GumGum, Zefr, Oracle Advertising (formerly Grapeshot / Contextual Intelligence), Pixalate and Integral Ad Science (IAS). Broad incumbents are Comscore, Scope3 and Kantar.
Does Peer39 have an API?
No public API is recorded for Peer39.
What industry is Peer39 in?
Peer39's product category is Contextual Advertising Technology. Its primary akta.pro industry code is MPAHALAE, Content Identification & Matching (Fingerprinting, ID Resolution), with a secondary code of MPAAACAE, Programmatic Display & Retargeting (DSP). Its NAICS code is 541810 and its SIC code is 7310.