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BlueLithium

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Online advertising network focused on serving ads based on behavioral targeting of its users

San Jose, United StatesFounded 2004Marketing
Valuation $50–100M Last recorded · 2005
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
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About BlueLithium

BlueLithium operated as a prominent online advertising network, ultimately acquired by Yahoo! in a landmark deal. The company was established in 2004 by Gurbaksh Chahal, an entrepreneur who had previously founded and sold his first ad network, ClickAgents, for a substantial sum at a young age. This prior success in performance-based advertising provided Chahal with the insights and capital to launch BlueLithium.

The firm specialized in behavioral targeting, a method that tracks users' online browsing habits to deliver more relevant and customized advertisements. This approach allowed advertisers to move beyond simple contextual ads and target consumers based on their demonstrated interests and online actions. BlueLithium's business model was centered on providing advertisers and publishers with advanced data analytics, optimization, and targeting tools to enhance the effectiveness of their online campaigns. Revenue was generated by managing these advertising campaigns across a vast network of publisher websites, connecting major advertisers with a large online audience. By September 2007, the company had grown to become the fifth-largest ad network in the U.S. and the second-largest in the U.K., reaching 145 million unique visitors monthly.

A significant milestone in BlueLithium's history was its acquisition by Yahoo! in September 2007 for approximately $300 million in cash. This acquisition was a strategic move by Yahoo! to bolster its own advertising network, enhance its data analytics and behavioral targeting capabilities, and better compete in the performance-based display advertising market. At the time of the acquisition, BlueLithium became a wholly-owned subsidiary of Yahoo!, with CEO Gurbaksh Chahal staying on for an interim period to manage the integration.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2004
Headquarters
San Jose, United States
Employees
5
Open positions
None listed
Dealroom signal
55.2/100
Industry
Marketing
Sub-industry
Adtech
Sector
Marketing, Adtech, Advertising
Client focus
b2b

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITION✓Exit Sep 2007 $300M — Undisclosed —
SERIES A✓Equity / VC Feb 2005 $12M $46M Walden Venture Capital · 3i Group —
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Growth signals

BlueLithium website traffic

Latest recorded traffic for BlueLithium is 180 monthly website visits, down 25% over the last three months. BlueLithium's team grew 0% over the past year.

Latest monthly visits180 3-month web change-25% 1-year team growth0%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

2 investors on the cap table

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

Series A2 investors entered at this stage

  • Walden Venture Capital
  • 3i Group
Team profiled 21 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
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
🇺🇸 United States · San Jose HQ
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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about BlueLithium 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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