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- Signals by Signal - Week 23
Signals by Signal - Week 23
Preview the power of data-driven intelligence in private markets

Welcome to Signals by Signal!
Get a sneak peek of what our platform can do with this data-driven newsletter, crafted to help investors discover stealth founders, emerging startups, and growing companies. Enjoy this week’s edition — we’re excited to have you with us!
Heads up! The data in the Signals by Signal newsletter are intentionally delayed to give our customers a strategic advantage. Access real-time signals by requesting a free trial.
Stealth Detector
Signal detects thousands of new stealth founders every month. Here’s a glimpse of some of the individuals operating under the radar, along with their backgrounds and expertise.
![]() | Ralph Romanos |
![]() | Doug Wightman |
![]() | Xiao Wang |
Newly launched startups
Signal uncovers newly launched startups ready to disrupt their industries. This section highlights some of the recent startups we spotted.
![]() | Deepgov |
![]() | Saoirse Labs |
![]() | Rectify |
Growing companies
Signal monitors fast-growing companies in real-time, offering updates on key performance metrics, funding, team growth and much more. Here are some of the growing companies we recently spotted.
![]() | Industry: Cybersecurity Location: New York, United States What they do: Develop innovative open-source solutions designed to anticipate cyber threats, identify security gaps, and strengthen organizational security posture. Last funding date: Mar. 7, 2025 Latest funding amount: $34.9M Team: Samuel Hassine, Julien Richard Signal: Filigran has experienced notable growth with a workforce expansion to 107 employees, marking an 11% increase. The company has also strengthened its team with key hires, including Alexis Zubiolo as a Senior Data Engineer and Philippe Damoune as a Senior Software Engineer. Additionally, Filigran's YouTube channel has seen a 7% increase in views, reaching a total of 79.0k views. |
![]() | Industry: Artificial Intelligence Location: London, United Kingdom What they do: Building an autonomous AI agent aiming to resolve up to 80% of customer queries (incl. using actions and account data), enabling companies to scale CX with minimal human staff. Last funding date: Aug. 24, 2024 Last funding amount: $3.7M Team: Danai Antoniou, Dimitri Masin, Neal Lathia Signal: Gradient Labs has grown to 16 employees. The company has also expanded its LinkedIn following to 2.1k, a 13% rise over the same period. Additionally, Gradient Labs has made a key hire, Devan Kuleindiren, as an engineer, and is actively hiring for one area. |
![]() | Industry: Supply Chain Technology, Artificial Intelligence Location: Vienna, Austria What they do: Make supply chains more transparent, resilient and sustainable with the smartest AI. Last funding date: Jun. 25, 2024 Last funding amount: $67.0M Team: Lisa Smith, Harald Nitschinger Signal: Prewave has expanded its team with key hires, including Jiyeon J. as a Product Analyst and Maximilian Z. as an Engineering Manager. The company also experienced a 2% increase in its workforce, reaching a total of 247 employees. |
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