K-9 Robotics GmbH develops THE HOUND OS, a mission-critical operating system for autonomous drone operations and counter-UAS in defense and critical infrastructure. The Berlin-based company provides a hardware-agnostic autonomy layer that integrates sensors, drones, and effectors for airspace security, surveillance, and interception, with support for on-premise air-gapped deployment, NATO standards, and human-in-the-loop decisions. It has conducted pilots for government and police sensor fusion in Germany and combat requirements at Odessa Port in Ukraine. Partners include IAV Defense GmbH and CopterPix.