As of 14 Oct 2026, Signal AI has raised $165M across 1 verified round on record; latest: $165 million growth round led by Battery Ventures, announced 24 Sep 2025.
Signal AI delivers AI-powered reputation management and enterprise risk intelligence.
signal-ai.comLinkedInLondon and New York
1 source
Highland Europe, Mercuri and MMC Ventures are identified as existing investors retaining minority positions, not as participants in this round; they are excluded from the round's investor list.
Published by hand (prnewswire.com): "Signal AI Announces $165 Million Investment Round Led by Battery Ventures to Redefine Risk and Reputation Intelligence": hand-checked (K, non-US): the page states the company, the equity amount and the day
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Growth growth-equity investment [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $165M | 2025-09-24 | Battery Ventures | No recent discussion |
1 source [ VERIFIED · CORRECTED ] read against 1 source
Highland Europe, Mercuri and MMC Ventures are identified as existing investors retaining minority positions, not as participants in this round; they are excluded from the round's investor list. Published by hand (prnewswire.com): "Signal AI Announces $165 Million Investment Round Led by Battery Ventures to Redefine Risk and Reputation Intelligence": hand-checked (K, non-US): the page states the company, the equity amount and the day | ||||