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Zefr competitors & alternatives
The 12 closest competitors and alternatives to Zefr among adtech / ai companies — ranked by similarity to what Zefr actually does, not by market-cap band.
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About Zefr
ZEFR, Inc. is a technology company headquartered in Los Angeles, California, that provides contextual data and video brand safety solutions for digital advertising.
Zefr at a glance
Zefr is an adtech / ai company headquartered in United States. It has raised at least $9.5M across the 3 funding rounds on record. Its most recent funding round raised $5M in March 2016. Xcout tracks 24 named people at Zefr, including Ryan Barker (Chief Technology Officer). Xcout recorded 6 job postings from Zefr in the last 90 days, naming tools such as GitHub.
Zefr leadership
- Ryan BarkerChief Technology Officer
- Andrew SerbyChief Commercial Officer
- Jon MorraChief AI Officer
- Rich RaddonCo-CEO/Co-Founder
- Zach JamesCo-CEO/Co-Founder
- Kelsey GariganEVP, Head of North American Sales
18 more named people on record for Zefr, with roles, board committees and tenure — see the full roster →
Zefr funding rounds
At least $9.5M raised across the 3 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| SEC Form D filing | $5M | — | |
| Series D | $1.5M | 1 named | |
| Series A | $3M | 2 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Hiring at Zefr
Xcout recorded 6 job postings from Zefr in the last 90 days, from a hiring record Xcout has kept since June 2026.
Tools named in Zefr's job postings
The weekly hiring trend, the roles and locations behind it — see Zefr's hiring signals →
Recent Zefr news
- Product launchZefr Announces the Launch of Opti - Martechvibe
Top 12 Zefr competitors
Ranked by semantic similarity — how close each company is to Zefr by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Artificial Intelligence & Advertising Technology
Angler AI provides a foundation ad model and signal layer that turns a brand's first-party data into auction-ready signals for AI-driven advertising platforms.
Adtech / Data Science
Semasio provides a privacy-first advertising and data platform that offers audience targeting, contextual targeting, and media strategy services for brands and agencies. The company utilizes semantic technology and predictive intelligence to help clients build custom segments, reach target consumers without cookies, and optimize omnichannel advertising campaigns.
AI/ML
Creatify Lab Inc. is a US-based software company that develops AdTech and generative AI solutions for digital advertising. The company provides an AI-powered platform that enables marketers and creative teams to generate, test, and publish video and image advertisements.
AI
Emberos, Inc. is a technology company headquartered in Los Angeles, California, that provides an operating system designed for AI brand orchestration and management.
AI/ML
Yobi AI is a software development company headquartered in New York, NY, that pioneers behavioral artificial intelligence by using machine learning to analyze real-time consumer signals for ad targeting.
AI/ML
Twelve Labs, Inc. is an active technology company headquartered in San Francisco, California, specializing in enterprise video understanding infrastructure and developer tools.
AI/ML
Sitefire offers AI search analytics and content tools that track brand performance. The company also provides video services.
Artificial Intelligence
Vault AI is a predictive consumer insights company that helps global media executives gain actionable insights quicker and more accurately, operating out of locations including Los Angeles and Israel.
Artificial Intelligence
Pinscreen is an American technology company headquartered in Los Angeles, California, that specializes in revolutionizing digital communication. The company develops advanced software solutions and maintains a branch office in Abu Dhabi, UAE.
AI/ML
BriefCam is a technology company that provides video analytics software powered by artificial intelligence. Its solutions are designed to make video content searchable, actionable, and quantifiable for various security and operational applications.
Artificial Intelligence & Marketing Technology
ZeroToOne Partners provides an enterprise AI marketing platform designed for Fortune 500 brands to reduce wasted media spend and deliver real-time, personalized customer journeys. Using a proprietary Large Behavioral Model (LBM), the platform integrates into existing MarTech stacks to predict consumer behavior and target audiences based on real-world signals.
AI/ML, HR Tech
Yorby AI, operated by YK Labs Inc., is an AI-powered content creation platform headquartered in Los Angeles, California, United States. It assists founders, marketers, and creators in transforming viral ideas into high-performing short-form videos.
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