What is Hidden Level?
Founded in 2018, Hidden Level has established itself as a critical player in the defense technology ecosystem. The company specializes in advanced airspace monitoring, utilizing sophisticated sensor networks to detect and track a diverse array of airborne objects, including drones, balloons, and high-altitude aircraft. By focusing on the intersection of national security and cutting-edge surveillance, Hidden Level provides essential situational awareness that protects sensitive infrastructure from unauthorized aerial activity. Their platform is designed to deliver high-fidelity data, enabling operators to make informed decisions in complex, high-stakes environments.
How much funding has Hidden Level raised?
Hidden Level has raised a total of $83.3M across 4 funding rounds:
Debt
$350K
Debt
$389K
Series A
$17.6M
Series C
$65M
Debt (2020): $350K with participation from PPP
Debt (2021): $389K led by PPP
Series A (2021): $17.6M supported by Quest Venture Partners, Lobby Capital, Lockheed Martin, Pipeline Capital, and Alsop Louie Partners
Series C (2025): $65M featuring Founders Circle Capital, Veteran Ventures Capital, Costanoa Ventures, and DFJ Growth
Key Investors in Hidden Level
Founders Circle Capital
A growth stage venture firm dedicated to investing in the leaders of today's fastest-growing companies, providing flexible financing and a supportive network.
Veteran Ventures Capital
A veteran-owned growth equity fund that focuses on investing in dual-use national security technology companies led by veterans.
Costanoa Ventures
A venture capital firm focused on enterprise software, providing long-term support and operational expertise to founders tackling significant market challenges.
What's next for Hidden Level?
With the successful closure of this major strategic investment, Hidden Level is poised to scale its operations and expand its footprint within the global defense market. The company's strategic focus will likely center on enhancing its sensor fusion capabilities and deepening its integration with existing national security frameworks. By prioritizing R&D and operational excellence, Hidden Level aims to stay ahead of emerging aerial threats, ensuring that its technology remains the gold standard for airspace security. Future growth will be driven by the continued adoption of its solutions by defense agencies and critical infrastructure operators who require reliable, real-time protection against evolving airborne risks.
See full Hidden Level company page
