C4Shield

Bootstrapped · Aerospace & Defense · Tartu, Estonia · Founded 2025

C4Shield develops an intelligence-driven command, control, communications, and computers platform designed to proactively protect high-value targets across air, land, and sea. The platform unifies sensors, artificial intelligence analytics, and automated response logic to detect and mitigate threats such as drones, perimeter intrusions, and maritime threats. Officially registered in Estonia in September 2025, the defense technology startup was incorporated with a statutory share capital of 10,000 EUR. The venture is driven by its co-founders through their holding companies, RealAI, Zenfaro, and Japri, without external venture capital backing.

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