Washington Harbour Partners

Washington Harbour Partners is an investment firm that deploys capital in the U.S. Washington Harbour Partners seeks to earn superior risk-adjusted returns for its investors over the long term. The firm’s fundamentally oriented investments focus primarily on the technology, media, communications, fintech, and business services sectors. The public equity efforts emphasize deep due diligence on individual companies using a private-equity approach. The private equity strategy targets growth-oriented private companies.

Mina Faltas

Founder, Managing Partner and CIO

Past deals in Surveillance

Shield AI

Series F in 2025
Shield AI Inc is an artificial intelligence robotics company based in San Diego, California, focused on developing advanced AI-powered systems for national security and first responders. Incorporated in 2015, the company specializes in creating technologies that enhance the safety of military personnel and civilians. Its flagship products include Nova, an autonomous quadcopter drone equipped with lidar technology that operates effectively in GPS-denied environments, and Hivemind, an AI framework that allows various unmanned vehicles to learn from real and synthetic experiences, enabling autonomous operations without direct human control. Additionally, Shield AI has developed the V-BAT, a vertical takeoff and landing aircraft that can navigate contested environments and has been utilized in regions like the Black Sea and the Middle East. The company aims to transform defense operations by leveraging cutting-edge AI and machine learning technologies to execute complex tasks in dynamic and denied environments.

Epirus

Series D in 2025
Epirus, Inc. is a technology company based in Hawthorne, California, specializing in the design and development of advanced defense systems that utilize artificial intelligence and directed energy. Founded in 2018, the company focuses on creating solid-state, software-defined high-power microwave solutions aimed at countering unmanned aircraft systems and other asymmetric threats. Its flagship product, ELECTROMAGNETIC PULSE, serves as a counter-infrastructure solution that can simultaneously target multiple threats, effectively neutralizing drones and swarms. By integrating AI and machine learning with advanced electronics, Epirus enhances the detection and tracking of objects of interest, offering innovative capabilities in electronic warfare and power management for both defense and commercial sectors.

Hidden Level

Series C in 2025
Hidden Level specializes in advanced technologies for passive radar and drone detection, focusing on RF spectrum signal analysis. The company offers a comprehensive Airspace Monitoring Service (AMS) that employs networks of passive sensors to detect and track various aerial vehicles, including drones, across extensive geographical areas. This service is tailored for critical sectors such as infrastructure, defense, and public safety, ensuring compliance with privacy regulations. In addition to drone detection, Hidden Level provides custom-built sensor technology, classical systems engineering, data modeling and analysis, field testing, printed circuit board design, and full product life cycle management. Their solutions aim to enhance safety and productivity in low-altitude air traffic monitoring for aerospace component manufacturers.

Hidden Level

Series B in 2024
Hidden Level specializes in advanced technologies for passive radar and drone detection, focusing on RF spectrum signal analysis. The company offers a comprehensive Airspace Monitoring Service (AMS) that employs networks of passive sensors to detect and track various aerial vehicles, including drones, across extensive geographical areas. This service is tailored for critical sectors such as infrastructure, defense, and public safety, ensuring compliance with privacy regulations. In addition to drone detection, Hidden Level provides custom-built sensor technology, classical systems engineering, data modeling and analysis, field testing, printed circuit board design, and full product life cycle management. Their solutions aim to enhance safety and productivity in low-altitude air traffic monitoring for aerospace component manufacturers.
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