SignalFire

SignalFire

Active VCSan Francisco, United States

SignalFire is a venture capital firm based in San Francisco, United States. This profile covers what SignalFire invests in, its typical stage and check size, and how founders can get in front of it in 2026.

SignalFire is a venture capital firm that invests in seed stage companies and breakout companies.

Investment focus
Artificial IntelligenceSaaS & EnterpriseHealthcare & BiotechCybersecurityDeveloper Tools & DataConsumer & Retail
Location
San Francisco, United States
Team size
11-50
Investments
196

How to pitch SignalFire

The founders who hear back from SignalFire lead with traction and a clear ask that matches its stage, not a generic mass email. Build a targeted, verified list, write a personalized note, and track who opens it, all in one place.

Connect with SignalFire

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "SignalFire." Round Funded investor database, updated October 19, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/vc/signalfire

Frequently Asked Questions

What does SignalFire invest in?

SignalFire focuses on Artificial Intelligence, SaaS & Enterprise, Healthcare & Biotech and Cybersecurity. Match your sector and stage before reaching out, then find similar active investors on Round Funded.

Is SignalFire actively investing?

Yes, SignalFire is an active a venture capital firm. Reach out with a personalized pitch that fits its stage and focus, then track who opens it.

Where is SignalFire based?

SignalFire is based in San Francisco, United States. You can reach out from anywhere with a pitch that matches its focus.

How do I contact SignalFire?

Unlock SignalFire's verified email and reach out with a personalized pitch on Round Funded. We show only deliverable contacts, so your outreach does not bounce.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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Email SignalFire