Tier IV

Tier IV, Inc. , based in Japan, specializes in autonomous vehicle technologies, focusing on the development and deployment of self-driving systems through their flagship product, Autoware. Founded in 2015 in Tokyo, Japan, Tier IV, Inc. develops advanced technologies for autonomous vehicles.

Founders Akimichi Degawa and Shinpei Kato have a history of involvement in the automotive technology sector. In December 2025, Tier IV, Inc. raised an undisclosed amount  in venture funding  from Central Japan Railway Company. Tier IV, Inc.

specializes in providing advanced autonomous vehicle technologies and services, leveraging their flagship product, Autoware, to facilitate the development and deployment of self-driving systems. Autoware offers a full-stack solution that accelerates the societal implementation of autonomous vehicles, addressing various use cases such as urban mobility, logistics, and transportation safety. The company’s offerings cater to automotive manufacturers, technology developers, and government entities, with a focus on enhancing public acceptance and safety in autonomous vehicle operations. Additionally, Tier IV is committed to the open-source movement, fostering collaboration among over 60 partners within the Autoware Foundation, which spans across more than 70 global locations.

Their products and services are primarily marketed in regions such as North America, Europe, and Asia, targeting urban areas and smart city initiatives where autonomous solutions are increasingly in demand. Tier IV, Inc. generates revenue through a structured ecosystem of partnerships and service agreements, primarily operating on a B2B model. The company engages in direct transactions with automotive manufacturers and technology firms, providing tailored software solutions and consulting services that support the development and integration of autonomous vehicle systems.

Pricing structures may vary based on the complexity of the services required, with revenue derived from project-based contracts, software licensing, and ongoing support agreements. Tier IV's strategic alliances within the Autoware Foundation enhance its market presence and facilitate collaborative projects, leading to additional revenue opportunities through joint ventures and shared technology initiatives. The company plans to use the December 2025 funding to expedite the social deployment of its autonomous driving technology and aid in the revitalization of regions adjacent to railway lines.