Organization · Venture Capital
SignalFire
SignalFire is a venture capital firm based in San Francisco, California, founded in 2013. It leverages data and technology, particularly its AI engine Beacon, to support early-stage startups and enhance its investment strategy.
Overview
What SignalFire does
What SignalFire is
SignalFire is a venture capital firm based in San Francisco, California, founded in 2013. It leverages data and technology, particularly its AI engine Beacon, to support early-stage startups and enhance its investment strategy.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2013
- Approximate age
- About 13 years
- Structured capabilities
- Funder
- Last reviewed
- February 26, 2026
Official channels
Find SignalFire elsewhere
Open the official website or a supported primary organization account.
Capability profile
SignalFire as a funder
Investment thesis
Hyper-focused on applied AI companies (not foundation models). Proprietary Beacon AI platform tracks 650M people and 80M companies. "Tech company that does venture" with in-house engineers, recruiters, and go-to-market leaders.
Focus narrative
SignalFire is hyper-focused on applied AI as the defining opportunity, deliberately avoiding AI foundation model builders. Targets companies with defensible business models and data moats across healthcare, cybersecurity, infrastructure, consumer, and enterprise. Invests pre-seed through Series B with ability to concentrate up to $100M in single breakout companies.
Value beyond capital
SignalFire provides a differentiated "tech company that does venture" platform. Beacon AI tracks 650M individuals and 80M organizations to help portfolio companies with talent intelligence and market trends. In-house team of recruiters, data scientists, PR experts, and go-to-market leaders. 100 skill-building workshops per year. XIR (Executive-in-Residence) program for experienced operators.
Terms and economics
- Typical check
- $1,000,000–$100,000,000
- Sweet spot
- $10,000,000
Focus and fit
- Stages
- Pre-seed · Seed · Series A · Series B
- Regions
- North America
Availability
- Currently deploying
- Yes
Portfolio and track record
- Investments in the last 12 months
- 25
- Last recorded investment
- February 1, 2026
- Recorded notable exits
- Grammarly, Grow Therapy, EvenUp, Stampli, and Horizon3
Portfolio context
302 investments with 10 unicorns including Grammarly, Grow Therapy, EvenUp, Stampli, Horizon3.ai, ClassDojo, and Branch. Recent: Solace Health ($130M Series C, Feb 2026), Clutch Security ($20M Series A, Jan 2025), Momo AI, Ply.
Common questions
What to know about SignalFire
Upseed classifies SignalFire under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
February 26, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.