Clue is a technology startup founded in 2014 and based in Tokyo, Japan. The company focuses on developing and offering drone-based operating systems, platforms, cloud services, and smartphone apps. With a slogan "Experience Innovation in Drone Technology with Advanced Operating Systems, Platforms, Cloud Services, and Mobile Apps," Clue operates in industries such as Drones, Enterprise Software, Real Estate, Robotics, and Space. On 21 December 2020, Clue secured a ¥2.00B Series B investment from a diverse group of investors including Mobile Internet Capital, Energy and Environment Investment, Mizuho Capital, Drone Fund, Japan Post Capital, MAKOTO Capital, Takanori Nakamura, STRIVE, Kashiwabara, and Eisuke Inoue. This investment reflects the confidence of prominent players in the industry in Clue's potential for growth and innovation in the drone technology sector.