Insider, a leader in AI-driven omnichannel customer engagement, has raised $500 million in Series E funding, led by General Atlantic. The funds will fuel Insider’s development of AI-enhanced marketing technology, expand its talent pool, and advance U.S. market growth to meet rising demand. The company, which operates across 28 countries, aims to bolster its market reach and pursue strategic acquisitions.

With its integrated platform, Insider offers marketing teams AI-powered tools to create seamless, personalized experiences across 12+ channels. CEO Hande Cilingir noted that Insider’s multi-channel approach and AI tools make it a top choice for companies transitioning from legacy systems. The funds will also support Insider’s patent-pending Sirius AI™, designed to provide end-to-end customer journey management.

General Atlantic executives praised Insider’s potential to capture a significant portion of the $15 billion marketing tech market, citing its capacity to transform traditional customer engagement approaches and drive meaningful ROI.