ZEFR
Zefr is a brand suitability platform that uses multi-modal AI to classify social video content, providing brand safety, suitability, viewability, and AI-generated content detection for Fortune 100 advertisers and major agencies across YouTube, Meta, TikTok, and Snapchat.
- Company typePrivate
- Founded2008
- HeadquartersLos Angeles, United States
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What ZEFR does
Zefr is a brand suitability and verification platform purpose-built for social video advertising. Its core product, the Classification Engine, applies a multi-modal AI model that ingests video frames, audio, speech, text, metadata, and contextual signals simultaneously to classify content at scale across YouTube, Meta (Facebook, Instagram, Threads), TikTok, Snapchat, Google Ads, and DV360. The platform delivers content-level brand safety and suitability, AI-generated content detection, brand misappropriation detection, viewability, and media quality measurement, with MRC-accredited methodologies on YouTube for both viewability/IVT (2025) and content-level brand safety and suitability (2026) — the first independent third party to achieve the latter.
Zefr monetizes through three primary streams: subscription-based measurement and verification (Brand Safety & Suitability, Viewability, AI-Generated Content, Brand Misappropriation), managed media services for end-to-end YouTube campaign execution at a single transparent fee, and data solutions distributed via a DV360 browser extension and platform-native integrations inside TikTok Ads Manager and Google Ads. Customers are Fortune 100 brands, sensitive-vertical advertisers (pharma, finance, kids), and major media agencies; multi-year contracts and enterprise field sales dominate the GTM. Operational footprint includes HQ in Los Angeles plus offices in New York, Chicago, London, and a Tel Aviv AI engineering team established through the 2022 acquisition of Adverif.ai.
In 2026 Zefr extended its product surface with Zain, an agentic hub offering the industry's first AdCP-based buying integration for YouTube and an MCP server that connects client AI agents to Zefr's data, positioning the company to evolve from passive measurement into agent-driven activation across social platforms.
ZEFR firmographics
Firmographics- Name
- ZEFR
- Legal name
- ZEFR, Inc.
- Website
- https://zefr.com
- Company type
- Private
- Founded year
- 2008
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Zefr is a brand suitability platform that uses multi-modal AI to classify social video content, providing brand safety, suitability, viewability, and AI-generated content detection for Fortune 100 advertisers and major agencies across YouTube, Meta, TikTok, and Snapchat.
- Ownership category
- akta.pro rank
ZEFR industry classification
Industry- Product category
- Brand Safety and Ad Verification
- NAICS
- Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210), Media Buying Agencies (541830)
- SIC
- Services-Allied To Motion Picture Distribution (7829)
- akta.pro primary industry
- Video Understanding & Content Moderation (HDAAAEAF)
- akta.pro secondary industry
- Quality Control & Compliance (Linguistic QC, Technical QC, Platform Specs) (MPAHAFAE)
Keywords
Where ZEFR is headquartered
LocationHeadquarters
- HQ city
- Los Angeles
- HQ country
- United States
- HQ region
- North America
Offices5 records
Markets served
ZEFR business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- Brand Safety & Suitability Measurement: Subscription-based measurement and verification services for brand safety, suitability, viewability, and invalid traffic across social platforms. Provides independent third-party verification integrated directly within platform ad managers.
- Media Services (Managed Campaigns): End-to-end managed campaign services for YouTube with transparent single-fee pricing covering full managed service including inventory curation, targeting, optimization, and reporting.
- DV360 Extension / Data Solutions: Web-based services providing contextual advertising targeting and exclusions data through browser extension access to campaign analytics, positive/negative targeting lists for Google DV360 platform users.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Managed YouTube campaign services with full end-to-end execution |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
ZEFR product offering
Product offeringCore offering
ZEFR operates an AI-powered brand safety and suitability platform for social video advertising. Its multi-modal Classification Engine analyzes video, audio, text, and metadata simultaneously to classify content at frame level and deliver pre-bid exclusions and post-bid verification across YouTube, Meta, TikTok, and Snapchat. The company also offers managed media services for end-to-end YouTube campaign execution and a suite of modular solutions covering brand misappropriation, AI-generated content detection, viewability, and media quality.
Product overview
Zefr is a brand suitability platform for social video advertising, built as a unified platform with modular capabilities. The core platform centers on The Classification Engine for multi-modal content analysis and Cross-Platform Intelligence for consistent measurement across YouTube, Meta, TikTok, and Snapchat. Modular solutions include Brand Safety & Suitability (MRC-accredited for content-level YouTube reporting), Brand Misappropriation, AI-Generated Content, Viewability (MRC-accredited, provided free), Media Quality, and Media Services for managed YouTube campaigns. Zefr Labs offers custom AI development for enterprise needs. Recent innovation includes Zain, an agentic hub enabling AI-driven campaign management with AdCP-based YouTube integration. The platform processes billions of pieces of content daily using multi-modal AI analysis of video, audio, text, and metadata.
Differentiator
Problem solved
Functional benefit
Products and services
- Zefr Platform Unified brand suitability platform providing AI-powered content classification, pre-bid and post-bid controls, and cross-platform intelligence for social video advertising. Built for Fortune 100 brands, agencies, and sensitive-vertical advertisers needing brand safety, suitability, viewability, and media quality measurement across YouTube, Meta, TikTok, and Snapchat.
- Brand Safety & Suitability Content-level brand safety and suitability measurement ensuring ads appear in appropriate contexts across social video feeds. Applies GARM-aligned standards with brand-customizable thresholds and delivers pre-bid exclusions plus post-bid verification. MRC-accredited for content-level reporting on YouTube.
- Brand Misappropriation Real-time detection and prevention of unauthorized, misleading, or harmful use of brand intellectual property within user-generated content on social platforms. Uses context-aware analysis of video frames, logos, speech, and metadata to identify brand references and potential misuse.
- AI-Generated Content Detection Identification and classification of AI-generated or AI-manipulated content across sub-categories from creative expression to misinformation. Uses spatial intelligence and artifact analysis to detect AI content regardless of watermark presence, enabling brands to define AI suitability thresholds.
- Viewability Independent viewability measurement for social video advertising, verifying that ads are seen by real humans in in-feed environments. Uses platform-native signals aligned with YouTube measurement standards; MRC-accredited metrics provided to advertisers free of charge.
- Media Quality Comprehensive measurement combining context, exposure, and engagement signals to evaluate overall media quality for social video campaigns. Integrates safety, viewability, and contextual signals into a single assessment designed for dynamic social platform environments.
- Media Services End-to-end YouTube campaign management powered by ZEFR intelligence and in-house experts. Provides 24/7 expert support, proactive risk control, video-level transparency, automated optimization, and one transparent single-fee covering the full managed service.
- Zefr Labs Custom AI solutions division for brands requiring bespoke intelligence beyond standard verification. Builds custom AI for generative AI, agentic AI, responsible AI, and end-to-end AI development. Extends core products with expert support and deeper investigation capabilities.
- Zain (Agentic Hub) End-to-end agentic hub for cross-platform social campaigns, providing an agent-driven interface for insights, reporting, and activation across YouTube, TikTok, and Meta. Features the industry's first AdCP-based integration for YouTube enabling automated campaign activation, and supports connecting custom AI agents via MCP protocol.
Quantifiable outcome
- 36% reduction in media waste
- +5 more outcomes
Companies that use ZEFR
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles3 records
ZEFR technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
AI capability10 records
Feature6 records
ZEFR partnerships and signals
Strategic signalPartnerships
Ten partnerships are on record, tiered core, strategic and minor.
- Meta (Threads)coreThird-party AI-driven content block lists extended to Threads platform through verification partnership. Zefr provides brand safety controls similar to those on other Meta platforms.
- Integral Ad Science (IAS)coreExpanded partnership with IAS to extend campaign measurement and brand safety tools to additional TikTok ad formats. Joint measurement offerings for brand verification.
- TikTokcoreExpanded AI-powered brand safety, suitability, viewability, and invalid traffic measurement services to additional TikTok ad formats including Search, campaign creation tools, TikTok Lite (US), and GMV Max (US). Direct integration within TikTok Ads Manager for independent third-party verification.
- OM Media TrialsstrategicJoint research collaboration to study how advertising performs when placed alongside AI-generated content. Published industry-first study 'AI Slop or Not?' examining brand outcomes in AI content environments across US and Canada.
- Brittany Scott (Former Meta)minorBrittany Scott moved from Meta to Zefr as SVP of global partnerships, bringing expertise in brand safety and platform verification from Meta's team.
- M7minorStrategic partnership where M7 acts as Zefr's design, web, and technology partner to support Zefr's growth and digital development. Includes UX and UI design, web development, and ongoing technical support.
- Google Video PartnerscorePartnership with Google Video Partners to improve transparency and confidence for advertisers through misinformation identification capabilities.
- Adverif.aicoreAcquired Israeli AI firm Adverif.ai to enhance technology for identifying and defunding misinformation. Team joined Zefr in Tel Aviv, improving measurement and targeting capabilities for brand suitability.
- YouTubecoreDeep platform-native partnership with YouTube providing content-level brand safety, suitability, and viewability measurement. First third-party to receive MRC accreditation for content-level reporting on YouTube.
- SnapchatcorePlatform-native integration with Snapchat for brand safety and suitability measurement across the platform.
Scale indicators8 records
Recent moves6 records
Expansion highlights7 records
ZEFR competitors and assessment
Company assessmentDirect peers
- DoubleVerify: Public company providing AI-driven media authentication, ad verification, and brand safety measurement across digital platforms. Directly competes with Zefr in social video verification, particularly on YouTube and Meta.
- Integral Ad Science (IAS): Global media measurement and optimization platform offering brand safety, viewability, and ad fraud solutions across social and open web. Direct competitor and simultaneously a documented partner of Zefr on TikTok measurement expansion.
Broad incumbents
- Oracle Advertising (formerly Moat/Grapeshot): Oracle-owned ad measurement and brand safety suite (Moat for viewability, Grapeshot for contextual). Competes broadly with Zefr across verification categories as part of Oracle's larger advertising cloud portfolio.
- Comscore: Legacy media measurement and analytics company providing cross-platform audience and advertising effectiveness data. Overlaps with Zefr in providing advertisers with independent verification and viewability signals.
Emerging players
- Human (formerly White Ops): Specializes in bot detection, fraud prevention, and invalid traffic (IVT) measurement — overlapping with Zefr's Media Quality and viewability capabilities, especially on social platforms.
- Pixalate: Provides ad fraud protection and privacy compliance across CTV, mobile, and web. Overlaps with Zefr in IVT measurement and increasingly in social platform verification as CTV and social converge.
- CHEQ: Cybersecurity-focused ad verification platform offering brand safety and fraud prevention. Competes in adjacent verification use cases where Zefr operates, particularly in performance-driven brand suitability.
- Protected Media: Offers anti-fraud, viewability, and brand safety solutions for digital advertising, with particular strength in CTV. Adjacent competitor in the verification stack where Zefr's MRC-accredited viewability positioning competes.
- HUMAN (AdLedger/Confiant): Provides ad quality and security solutions detecting malvertising, low-quality ads, and brand safety violations. Adjacent to Zefr's brand safety solutions, especially around real-time pre-bid controls.
- DeepSee: AI-driven content classification platform for brand safety and contextual targeting across video and social. Emerging competitor in the same content-level classification space Zefr's Classification Engine occupies.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
ZEFR social profiles
Digital presenceZEFR compliance and trust
Trust signalCompliance8 records
ZEFR financial estimates
Financial estimateRevenue estimate
Valuation estimate
ZEFR leadership team
Management profileNumber of profiles
Profiles10 records
ZEFR subsidiaries and ownership
Company hierarchySubsidiaries1 record
ZEFR funding detail
Funding detailFunding overview
Funding rounds8 records
Investors9 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ZEFR M&A and investment
M&A and investmentM&A3 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ZEFR
What does ZEFR do?
ZEFR operates an AI-powered brand safety and suitability platform for social video advertising. Its multi-modal Classification Engine analyzes video, audio, text, and metadata simultaneously to classify content at frame level and deliver pre-bid exclusions and post-bid verification across YouTube, Meta, TikTok, and Snapchat. The company also offers managed media services for end-to-end YouTube campaign execution and a suite of modular solutions covering brand misappropriation, AI-generated content detection, viewability, and media quality.
Is ZEFR a public or private company?
ZEFR is a private company. It is classified as venture growth investor backed and is currently operating.
When was ZEFR founded?
ZEFR was founded in 2008. It employs 101 to 250 people.
Where is ZEFR based?
ZEFR is headquartered in Los Angeles, United States, in the North America region.
How does ZEFR make money?
Three revenue lines are on record. Brand Safety & Suitability Measurement is the primary driver. The others are media Services (Managed Campaigns) and DV360 Extension / Data Solutions.
Who are ZEFR's main competitors?
Direct peers on record are DoubleVerify and Integral Ad Science (IAS). Broad incumbents are Oracle Advertising (formerly Moat/Grapeshot) and Comscore. Emerging players are Human (formerly White Ops), Pixalate, CHEQ, Protected Media, HUMAN (AdLedger/Confiant) and DeepSee.
Does ZEFR have an API?
No public API is recorded for ZEFR.
What industry is ZEFR in?
ZEFR's product category is Brand Safety and Ad Verification. Its primary akta.pro industry code is HDAAAEAF, Video Understanding & Content Moderation, with a secondary code of MPAHAFAE, Quality Control & Compliance (Linguistic QC, Technical QC, Platform Specs). Its NAICS code is 516210 and its SIC code is 7829.