Israeli-Dutch AI startup Wonderful raises $550M Series C at $5B valuation

Israeli-Dutch AI startup Wonderful raised $550 million in a Series C funding round led by Insight Partners, valuing the company at $5 billion—more than double its prior $2 billion valuation from six months ago.

Existing investors Index Ventures, IVP, Vine Ventures, 9Yards, and Bessemer Venture Partners participated again; Salesforce joined as a new investor in this round.

Wonderful’s core offering has shifted from customer service AI agents to a platform called Wonderful AI OS, which connects agents, workflows, and AI applications with companies’ data, context, and existing integrations.

The company says its platform works with any AI model and is compatible with existing tech stacks, allowing customers to integrate parts of the platform with their systems and choose models per workload while retaining ownership of their builds.

Wonderful was founded in early 2025 and initially gained traction with a customer service AI agent platform tailored to non-English-speaking markets, using forward-deployed engineering teams to embed its technology into customer workflows.

The company now operates across more than 35 countries and says its strategy of embedding engineers with customers has proven successful in accelerating deployment and integration of AI systems.

Wonderful plans to use the fresh $550 million to develop products faster, expand its forward-deployed engineering teams, and meet demand for its products.