Similarweb Acquires The Search Monitor
- by Laurie Sullivan @lauriesullivan, March 31, 2025
SimilarWeb, a digital data intelligence company, has acquired The Search Monitor, an ad-monitoring company that supports affiliate compliance for paid search, for an undisclosed sum.
The companies have independently supported data, optimization and advertising. Together they have the capability to protect brand assets, optimize digital marketing strategies and strengthen the ability for brands, retailers, and agencies to maximize return on investment (ROI).
Global ad spending in search advertising is projected to reach approximately $351.5 billion in 2025, with an anticipated annual growth rate of 7.7% from 2025 to 2030, according to Statista.
By acquiring The Search Monitor, Similarweb addresses the need for brands and partners to protect brand integrity, ensure compliance with advertising agreements, and enhance governance of business and trademark policies.
advertisement
advertisement
“We are thrilled to welcome The Search Monitor to Similarweb,” stated Or Offer, CEO and founder of Similarweb. “Their technology and domain expertise in paid search and affiliate compliance complement our platform perfectly, helping us deliver even greater value to marketers who rely on accurate, real-time insights to drive results."
Offer believes that this acquisition is another step in the company's strategy to make digital data more actionable.
Lori Weiman and Shaun Martinec founded The Search Monitor in 2007. In its early days, Weiman spoke at the Search Insider Summit, sharing her knowledge on a variety of search topics.
When asked if she will remain in the role of CEO for The Search Monitor, Weiman told MediaPost, "Yes and same role, leading The Search Monitor into continued greatness."
The Search Monitor has build a strong reputation for helping top brands and agencies monitor ad visibility, enforce brand compliance, and gain in-depth competitive insights managing paid search closely.
Their platform's advanced monitoring technology enables advertisers to implement keyword tracking, enforce affiliate compliance, and brand protection measures such as automated alerts and keyword scanning, to prevent unauthorized brand bidding.This acquisition will allow brands to make more informed, data-driven decisions, enhance campaign efficiency, and safeguard brand integrity.
