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pubX raises $5M Series A led by Chicago Ventures and acquires Compliant to enhance agent-to-agent advertising infrastructure.
PRIVATEOct 06, 2026
Amount Raised
$5 Million
Round Type
Series A
AdvertisingMarketing
Investors
Chicago Ventures
Description
pubX, an agent-to-agent infrastructure platform for advertising, has closed a $5 million Series A funding round led by Chicago Ventures. The company simultaneously acquired Compliant, a media quality and governance firm, to strengthen its technology for direct trading between buyer and seller agents. The combined entity will leverage pubX's publisher-side expertise with Compliant's demand-side quality signals. pubX builds agents that plan, buy, sell and optimize advertising across the APAC region.
Company Information
Company
pubX
About
pubX builds agent-to-agent infrastructure for advertising, creating autonomous agents that plan, buy, sell, and optimize advertising across publisher and demand-side platforms. The company operates on the open Ad Context Protocol (AdCP) and recently acquired Compliant, a media quality and governance firm. pubX enables direct trading between buyer and seller agents while maintaining client control and transparency. The company launched in the APAC region and is expanding globally with operations in Australia and the United States.
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