Blacksmith — Startup Profile

Faster cloud-based code testing for modern software teams.

HQ: San Francisco, California, United States | Founded: 2024 | Employees: Not publicly disclosed | Stage: Series A / private | Website: https://www.blacksmith.sh

About

Blacksmith provides cloud infrastructure for running software tests. Its main product is a drop-in replacement for GitHub Actions runners, so engineering teams can run more jobs in parallel and get results sooner. The company says this is especially useful as AI tools generate more code that needs checking.

The Take

Blacksmith is building a useful layer beneath the AI coding boom: faster, more predictable software testing. Its challenge is turning a speed advantage into a durable business as cloud providers and GitHub improve their own tools.

Key Metrics

Founded: 2024
Latest funding: $10M
Status: Series A / private

Funding Rounds

Round: $10M (2025-09) — GV

Key People

Not publicly disclosed

Key Competitors

GitHub Actions —
Buildkite —
CircleCI —

Timeline Highlights

2025-09: Series A: $10M

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