Gradial raises $65M for agentic enterprise marketing

This article was published on June 18, 2026 The Seattle startup, founded by four ex-SpaceX and Microsoft engineers, has raised more than $110mn in 16 months to plug AI agents into the marketing tools enterprises already run, from Adobe to Salesforce. Every software company is racing to bolt an AI agent onto its own product. Gradial is betting the real money is in the gaps between them. The Seattle startup has raised $65mn in Series C funding to build what it calls an operating system for marketing: a layer of AI agents that execute work across the dozens of tools a large organisation already runs, rather than a separate bot trapped inside each one. The round, revealed by Axios, was led by Insight Partners and values the company at $675mn. Existing backers VMG, Madrona and PruVen Capital took part, bringing Gradial’s total raised to more than $110mn over the past 16 months. “Gradial is competing to be the AI glue that makes it all work together and makes it delightful for the marketer and super efficient,” chief executive Doug Tallmadge told Axios. “You should have an agent that spans across your workflow, not a separate agent for every step of the workflow.” In practice, that means