How much funding has Signal AI raised?

Signal AI has raised $448.8M in total funding, most recently a Series B round.

Who are Signal AI's investors?

Signal AI's investors include Battery Ventures, Redline Capital, Highland Europe, Mercuri, MMC Ventures, GMG Ventures.

Where is Signal AI headquartered?

Signal AI is headquartered in London, United Kingdom.

What industry is Signal AI in?

Signal AI operates in Artificial Intelligence, SaaS.

How many employees does Signal AI have?

Signal AI has 201-500 employees.

Signal AI

Mitigate Risk, Strengthen Reputation

London, United Kingdom · Founded 2013 · $448.8M raised

Artificial Intelligence

SaaS

Headquarters: London
Employees: 201–500
Founded: 2013
Business Model: B2B

Website: signal-ai.com
Total Funding: $448.8M
Last Round: $100.0M Series BFeb 2026
Rounds: 7

About

Signal AI is a leading risk and reputation intelligence platform helping enterprise business leaders navigate external threats and opportunities. Founded in 2013 in London, Signal AI's proprietary AIQ engine analyzes over 2 billion data points from traditional media, social media, broadcast, and regulatory filings across 226 markets and 75 languages.

Summary

Signal AI is an Artificial Intelligence company based in London, United Kingdom, founded in 2013. It has raised $448.8M in total across 7 rounds, most recently a $100.0M Series B round in Feb 2026. Investors include Battery Ventures, Redline Capital and Highland Europe.