Similarweb Acquires The Search Monitor to Strengthen Paid Search and Affiliate Marketing Solutions

Similarweb Ltd., a global leader in digital data and market intelligence, announced the acquisition of The Search Monitor, a trailblazer in ad monitoring, trademark enforcement, and affiliate compliance solutions. This acquisition significantly enhances Similarweb’s ability to offer powerful tools that enable brands, retailers, and agencies to maximize ROI, safeguard brand assets, and optimize their digital marketing strategies.

With global search advertising spending projected to reach approximately $351.5 billion in 2025 and an expected annual growth rate of 7.7% from 2025 to 2030 (Statista), the need for comprehensive data and insights has never been more crucial. By acquiring The Search Monitor, Similarweb addresses the rising demand for brands to protect brand integrity, ensure advertising compliance, and better manage business and trademark policies. This move equips Similarweb clients with cutting-edge technology designed to support their marketing goals.

“We are thrilled to welcome The Search Monitor to Similarweb,” said Or Offer, CEO and Founder of Similarweb. “Their technology and expertise in paid search and affiliate compliance perfectly complement our platform, enabling us to provide even more value to marketers who rely on accurate, real-time insights to drive results. This acquisition represents another significant step toward our mission to make digital data more actionable and indispensable.”

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Founded in 2007 by search marketing veterans Lori Weiman and Shaun Martinec, The Search Monitor has earned a stellar reputation for helping top brands and agencies monitor ad visibility, enforce brand compliance, and gain competitive insights. Their platform’s advanced monitoring capabilities include strategic keyword tracking, affiliate compliance enforcement, and robust brand protection measures such as automated alerts and keyword scanning to prevent unauthorized brand bidding.

“Combining The Search Monitor’s capabilities with Similarweb’s comprehensive digital intelligence allows us to deliver a more holistic, market-ready solution for performance marketers,” said Maoz Lakovski, Chief Business Officer at Similarweb. “As digital advertising landscapes grow increasingly complex, this acquisition empowers our customers with greater control, transparency, and ROI across their paid media investments.”

“We are excited to join forces with Similarweb, a company that shares our commitment to data-driven insights and innovation,” said Lori Weiman, CEO and Co-Founder of The Search Monitor. “Together, we will offer clients an unmatched solution to optimize and secure their digital marketing strategies.”

This strategic acquisition will enable Similarweb’s clients to make more informed, data-driven decisions, increase campaign efficiency, and better protect their brand integrity. By continually investing in its product portfolio, Similarweb remains committed to delivering exceptional value to customers and driving sustainable growth for all stakeholders.