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TIER IV is a Japanese autonomous-driving software company, creator of the open-source Autoware platform and provider of Autoware-based autonomous vehicle systems.

Last updated October 30, 2026

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Overview

TIER IV is a Japanese technology company focused on autonomous driving. It is best known as the creator and lead developer of Autoware, an open-source software stack for self-driving vehicles, and it builds commercial autonomous-driving systems, platforms and services on top of that foundation. The company positions itself as a provider of full-stack autonomous-driving software and hardware integration for partners ranging from automakers and Tier-1 suppliers to municipalities, robotaxi operators and logistics providers. Its offerings span the Autoware open-source project, reference hardware and sensor kits, autonomous-driving development tools, and deployment support for use cases such as robotaxis, autonomous shuttles, delivery vehicles and industrial vehicles. TIER IV is a privately held company headquartered in Japan and operates within the global autonomous-driving ecosystem, contributing to open-source communities while commercializing Autoware-based solutions. It works with a broad partner network across the automotive and mobility industries. Note: the supplied evidence snippets concern Bank of America and CNBC and do not describe TIER IV; this dossier relies on well-established public facts about the company and should be reviewed for source verification.

History

TIER IV was founded in Japan in 2015 with the aim of enabling safe and sustainable autonomous driving through open-source software. The company grew out of and around the Autoware project, an open-source autonomous-driving software stack originally developed in academia and later stewarded commercially by TIER IV. TIER IV became the lead maintainer and commercial driver of Autoware, building an ecosystem of contributors, partners and customers around the platform. It developed reference hardware, sensor configurations and development tooling to make Autoware deployable in real vehicles, and it engaged with automakers, suppliers, universities and municipalities on autonomous-driving pilots and deployments. The company has positioned Autoware as a shared foundation for autonomous driving, aiming to lower development barriers and accelerate commercialization across use cases such as robotaxis, autonomous shuttles, delivery and industrial vehicles. It operates as a private company headquartered in Japan and continues to develop and commercialize Autoware-based systems. Note: the supplied evidence does not cover TIER IV; this history is based on well-established public facts and should be verified against primary sources.

  • 2015

    TIER IV founded in Japan.

  • TIER IV becomes lead developer and commercial steward of the open-source Autoware autonomous driving stack.

Products and positioning

Open-source-rooted autonomous driving software and systems provider for automakers, mobility operators and industrial users.

  • Autoware

    Open-source autonomous driving software stack.

  • Autonomous driving platforms and reference hardware

    Hardware and sensor kits enabling Autoware deployment in vehicles.

Recent events

  • Reported

    Baraja and Tier IV collaborate on autonomous-vehicle sensor suite[2]

    Baraja announced a collaboration with Tier IV to research and develop a software-defined sensor suite combining LiDAR and high dynamic range cameras for autonomous vehicles. The companies will also work on a reference unit that could support future commercial product opportunities with automotive OEMs.

  • Reported

    Tier IV and Canon collaborate on automotive cameras[3]

    Tier IV announced a collaboration with Canon to jointly develop in-vehicle camera products related to autonomous driving and advanced driver-assistance systems. The article reports that cameras developed by the two companies were tested on Tier IV autonomous vehicles and adopted as standard cameras for those vehicles.

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