Signal AI
PrivateLast Round
Growth Equity
Sep 24, 2025
Est. Valuation
$200M
Total Funding Raised
$266.44M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Signal AI is a software company that provides an AI-powered external intelligence platform for media monitoring, reputation management, and enterprise risk intelligence.
Sector
AI, Data & Cloud Infrastructure
Verticals
Business Intelligence, Compliance & Risk, NLP & Conversational AI, Marketing, News & Media
Business Model
B2B
Customer Profile
Subscription SaaS, Data as a Service
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Signal AI Comparables
Compare Signal AI with similar companies based on industry and business-model similarity.
Signal AI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Growth Equity | Sep 24, 2025 | ||||
| Series D | Dec 15, 2021 | ||||
| Series C | Oct 22, 2019 | ||||
| Series B | Jun 27, 2018 | ||||
| Series A | Dec 13, 2016 | ||||
Seed | Oct 9, 2015 |
Signal AI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Kreos Capital | Series B |
| Aberdeen Group plc | Series D |
| LocalGlobe | Series A, Series B |
| M25 | Seed |
| Hearst Ventures | Series D, Series A, Series B, Series C |
| Kreos Capital | Series B |
| Mercuri | Growth Equity, Series C, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 20, 2026
Launched Risk Proximity to assist risk leaders.
- Mar 26, 2026
Acquired Memo to integrate readership data.
Signal AI Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Signal AI's valuation, stock price, and market status.