Probook raises $40M for AI OS

Probook, an AI operating system designed for home service businesses, has announced a $40 million funding round. Andreessen Horowitz (a16z) led the $34 million Series A, with Sequoia Capital contributing $6 million in seed funding and participating in the Series A.

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Profiles of the companies named in this story, with funding and a one-liner from our database.

Probook

$40M

AI operating system for home service businesses, automating dispatch and customer communication.

Sila Services

A home services platform providing HVAC, plumbing, electrical, and other essential home maintenance and repair services.

TR Miller

Peterman Brothers

A home services company providing plumbing, heating, cooling, and electrical services to residential customers.

The company's platform is built around dispatch, aiming to solve fragmentation issues caused by disparate AI tools for customer acquisition that often fail to integrate with core operational functions.

Probook's approach prioritizes dispatch, integrating intake, customer messaging, and lead management into a single context layer. This allows for a unified customer experience, with all communication centralized and customer data consistently managed.

"I started Probook to solve a problem in my own business," said George Eliadis, CEO and co-founder. "I grew up pressure washing in upstate New York with my dad. Six summers in the truck. I spent two to three hours of my day driving between jobs. I'd be up on a ladder washing a house and miss calls because I couldn't hear my phone ringing." Eliadis later observed similar issues at scale within TR Miller, an HVAC, plumbing, and electrical shop.

Probook targets the core operational challenges faced by home service companies, distinguishing itself from vendors focused solely on lead generation. The company emphasizes its deep understanding of the trades, stemming from firsthand experience.

The platform is deployed with customers through in-person engagement, with configuration and support tailored to front-line teams. Probook commits to delivering tangible outcomes for its clients.

Major home service brands, including TurnPoint Services, Master Trades Group, Del-Air, Peterman Brothers, and Sila Services, utilize Probook across hundreds of locations nationwide.

"With Probook, we've centralized dispatch across 11 markets and 180 technicians without adding overhead. That kind of scalability is critical to how we grow," stated Chad Peterman, CEO of Peterman Brothers.

Summers Plumbing, Heating & Cooling reported booking 2,542 jobs in their first month on Probook with 14 locations and 260 technicians utilizing the platform, all without human intervention.

Del-Air CEO Rick Rogers noted, "We chose Probook over other AI vendors because they know dispatch. They're also part of our front-line CSR."

David Haber, General Partner at Andreessen Horowitz, commented, "Dispatch is the nerve center of every home service business, and Probook built their entire platform around it. It's a years-old structural moat."

Konstantine Buhler, Partner at Sequoia Capital, added, "Most founders building for the trades have never worked in them. George has. Pair that with the team's outlier technical depth, and you see why we backed Probook at Seed and why we're doubling down now."

The new Probook funding will be allocated to scaling its go-to-market team, expanding engineering capabilities, and enhancing customer success initiatives to meet growing demand.