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ClearForest

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Content Interoperability Platform

Petah Tikva, IsraelFounded 1998Edtech
Valuation $25–50M Last recorded · 2007
Total funding $10–50M Disclosed equity funding
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About ClearForest

ClearForest was an Israeli software company founded in 1998 by Dr. Ronen Feldman, Dr. Yonatan Aumann, and Oren Etzioni. The firm established its headquarters outside Boston, with a development center in Or Yehuda, Israel. Dr. Feldman, a recognized figure in data mining, served as the chief scientist, while Dr. Aumann, an expert in distributed computing, took on the roles of co-founder and CTO. ClearForest specialized in text analytics and text mining, developing software that could analyze, interpret, and extract business intelligence from large volumes of unstructured textual content.

The company's core business involved providing a tagging platform and analytical products that transformed unstructured text from sources like emails, documents, and news feeds into structured, machine-readable data. This allowed clients to identify key entities, facts, events, and relationships that were previously hidden within the text. ClearForest's business model focused on offering these text-driven business intelligence solutions to large enterprises. Its client roster included prominent names such as The Dow Chemical Co., Elsevier Science, Dow Jones & Co., and Thomson Financial. The firm developed specific industry modules for sectors like financial services, life sciences, and automotive manufacturing, addressing needs such as equity valuation and early warnings for product quality issues.

A significant milestone for ClearForest was its acquisition by Reuters in April 2007 for an estimated $25 million. Following the acquisition, Reuters integrated ClearForest's technology to enhance its search capabilities, particularly for financial information. The technology became the foundation for services like OpenCalais, a free web service and API for automatic metadata generation and named-entity recognition. Before the acquisition, ClearForest was a venture-backed company, with its last funding round in 2005 led by Greylock Ventures and including other investors like Pitango Venture Capital, Walden Israel, and JPMorgan Partners.

Source: Dealroom company data

At a glance

Founded
1998
Headquarters
Petah Tikva, Israel
Sector
Edtech

Investors

5 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A4 investors entered at this stage

Series B and later1 investor entered at this stage

Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇮🇱 Israel · Petah Tikva HQ
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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about ClearForest on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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