Exclusive: Treeline raises $25 million in  Andreessen Horowitz-led funding to streamline IT services with AI

Treeline wants to rebuild corporate IT from the ground up, starting with the everyday headaches most workers barely notice until something breaks.

The San Francisco–based startup has raised a $25 million Series A led by Andreessen Horowitz to build what it calls a “modern IT operating system,” an AI and software-first alternative to the decades-old managed services firms still powering most corporate IT. The round comes as global IT spend is expected to climb above $6 trillion in 2026.

“Basically every business in the world needs some form of IT management,” Peter Doyle, CEO and cofounder of Treeline, told Fortune. Most companies, he notes,........

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