AdVerif.AI

An Israeli AI company providing ad verification solutions for advertisers, publishers, and ad networks, specializing in identifying and defunding misinformation.

Business Software
Acquired by Zefr
Acquired Tel Aviv, Israel Founded 2017
Last updated 2026-07-26
Total raised
Last: Undisclosed Round 2020-09
Stage
Acquired
Founded
2017
Headcount
7
HQ
Tel Aviv, Israel
Sector
Business Software

About

AdVerif.ai was an Israeli AI company that provided content verification solutions for advertisers, publishers, and ad networks. It specialized in automatically identifying disinformation using its proprietary FakeRank algorithm, which leveraged machine learning and natural language processing. The company's technology integrated with over 50 fact-checking organizations globally to train its algorithms to identify, label, and measure misinformation. AdVerif.ai was acquired by Zefr, a global brand suitability company, in July 2022. The main service was integrated by Zefr and rebranded as Zefr AI. AdVerif.ai was also recognized by CB Insights as a 'Global Game Changer' in the Disinformation Defense category.

Funding history · 1 round · — total

2020-08
Undisclosed Round Undisclosed
★ Nielsen Innovate

Headcount over time

From 4 (2021-08) to 7 (2026-07) · +3 (+75%) · 4 points · source: Finder history + radar grounding
70 2021-08 2026-07

Q&A

What is AdVerif.AI's primary business focus?
AdVerif.AI was an Israeli AI company that provided content verification solutions for advertisers, publishers, and ad networks, specializing in identifying and defunding misinformation using its proprietary FakeRank algorithm.
When was AdVerif.AI founded?
AdVerif.AI was founded in 2017.
What was the acquisition status of AdVerif.AI?
AdVerif.AI was acquired by Zefr in July 2022. Its main service was integrated by Zefr and rebranded as Zefr AI.
How much total funding did AdVerif.AI raise before its acquisition?
AdVerif.AI raised a total of $697,000 USD across its funding rounds.
What technologies did AdVerif.AI utilize?
AdVerif.AI utilized Artificial Intelligence, Deep Learning, and Natural Language Processing in its solutions.
Who was the founder and CEO of AdVerif.AI?
Or Levi was the Founder and CEO of AdVerif.AI.
Which organization recognized AdVerif.AI as a 'Global Game Changer'?
AdVerif.AI was recognized by CB Insights as a 'Global Game Changer' in the Disinformation Defense category.

Team · 1

Or Levi
Founder · Founder and CEO

Sectors & technology

Primary sector
Business Software
Sub-sectors
Business SoftwareSales & Marketing SolutionsAdvertising Platforms
Technologies
Artificial IntelligenceDeep LearningNatural Language Processing
Target customers
Enterprise & Professional ServicesMarketing & SalesAdvertisingGovernment & City
Business model
B2GB2B

Highlights

1 PatentsVerified

Tags

artificial-intelligencebrand-protectionsaas
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

External links

Websiteadverifai.com/
LinkedInlinkedin.com/company/14030553
Facebookfacebook.com/adverifai
YouTubeyoutube.com/channel/UCPLRTaUasZh97jc5lGYieNg

Identifiers & details

Legal nameAdVerif.ai Ltd.
Founded2017
Employees (exact)7
Status reasonAcquired (Inactive) by Zefr on Jul 2022 - closed due to acquisition

Acquisitions & public offerings

Acquired by Zefr 2022-07

Radar intelligence

GitHub

Top reposSatire_vs_Fake, cima_ai4media_osint, covid_misinfo_tracker.github.io, adverifai.github.io, covid19-fact-check

Web history (Wayback)

Domainadverifai.com

Certificate / subdomain footprint

Subdomains13

Israeli Companies Registrar (רשם החברות / ICA)

Registrar # (ח.פ.)516201753
Statusפעילה
Corp typeישראלית חברה פרטית
Incorporated2020-06-03
Purposeלעסוק בכל עיסוק חוקי
Liabilityמוגבלת
In violation (unfiled)no
Last annual report2026
Active charges / liens0
Registry events1 — annual_report (1)
Registered addressדרך פינלס 6 זכרון יעקב

Recent registry events

DateEvent
2026-02-01דו~ח שנתי