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Probook

AI infraNew York, New York, USAWebsite ↗See connections →Compare with Whatnot
Ranked on: #42 Largest Series A Rounds of 2026 (Ranked) · Get your badge →

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Recent changes

  1. Jul 10, 2026Raised $40M Series A Crunchbase News
  2. Jul 10, 2026New investor: Andreessen Horowitz Crunchbase News
  3. Jul 10, 2026New investor: Sequoia Capital Crunchbase News
  4. Jul 10, 2026Probook Raises $40M to Be the AI OS for Plumbers Pulse story

Funding History

1 event · sources dated per row
DateEventAmountValuationInvestorsSource
Jul 10, 2026Series A$40M—
Andreessen HorowitzLeadSequoia Capital
Pulse story

Investors

Andreessen HorowitzSequoia Capital

Latest Pulse

  1. Probook Raises $40M to Be the AI OS for PlumbersProbook raised $40 million across a Series A and seed round, backed by Andreessen Horowitz and Sequoia, to build an AI operating system that runs scheduling, dispatch and customer calls for plumbing, electrical and HVAC businesses.→

Coverage Timeline

newest first
  1. Jul 10, 2026FUNDINGProbook Raises $40M to Be the AI OS for Plumbers$40M total ($34M Series A + $6M seed)→

All Coverage

FUNDING

Probook Raises $40M to Be the AI OS for Plumbers

Illustration for: Probook Raises $40M to Be the AI OS for Plumbers
FUNDING$40M total ($34M Series A + $6M seed)

Probook Raises $40M to Be the AI OS for Plumbers

Probook raised $40 million across a Series A and seed round, backed by Andreessen Horowitz and Sequoia, to build an AI operating system that runs scheduling, dispatch and customer calls for plumbing, electrical and HVAC businesses.

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Probook FAQ

Who are Probook's investors?

Probook's investors include Andreessen Horowitz, Sequoia Capital.

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