T
Tier IV
Developing technologies for safe and intelligent self-driving cars
About Tier IV
TIER IV is a Japanese deep-tech startup that leads the development of Autoware, the world's first and leading open-source software for autonomous driving. The company provides a range of solutions and services based on the Autoware platform, including software, hardware, and operational support for autonomous vehicles. TIER IV's business model revolves around creating an ecosystem of partners and developers who can use Autoware to build and deploy autonomous driving solutions across various applications.
The company offers several products and services, including Web.Auto, a cloud-native platform for managing autonomous vehicle data and workflows, and Pilot.Auto, an autonomous driving software platform based on Autoware. TIER IV also provides reference designs, which are optimized configurations of software and hardware for specific operational design domains (ODDs). This platform strategy allows customers to tailor autonomous driving systems to their specific needs.
TIER IV serves a wide range of clients, from academic institutions and research organizations to automotive manufacturers and mobility service providers. The company collaborates with its partners to accelerate the development and deployment of autonomous driving technology. By open-sourcing its core technology, TIER IV aims to foster collaboration and innovation in the autonomous driving industry, ultimately making the technology accessible to everyone.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2015
- Headquarters
- Tokyo, Japan
- Employees
- 296
- Open positions
- 15
- Dealroom signal
- 83.2/100
- Industry
- Transportation
- Sub-industry
- Autonomous & Sensor Tech, Vehicle Production
- Sector
- Transportation, Core AI, Autonomous Mobility, Spinout, Electric Mobility, AV Software, AI Applications, DT and LS, science-based
- Technology
- Artificial Intelligence
- Business model
- Manufacturing
- Client focus
- b2b
- Investment activity
- 4 companies, latest Dec 2025
- Capital deployed
- $13M
- Preferred round
- LATE VC
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| LATE VCOther financing | Jun 2026 | $7.7M | $770M | Toyota Invention Partners | ↗ |
| DEBTDebt | Feb 2026 | $13M | — | Mitsubishi UFJ Financial Group | ↗ |
Growth signals
Latest recorded traffic for Tier IV is 15K monthly website visits, down 31.8% over the last three months. Tier IV's team grew 3.1% over the past year.
Open positions
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
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OPTIMINDNagoya, JapanAI-powered route optimization for last-mile delivery
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed4 investors entered at this stage
KDDI
JAFCO
UTEC - The University of Tokyo Edge Capital Partners
NEDO
Series A8 investors entered at this stage
Yamaha Motor
Sompo Japan Nipponkoa Insurance
Quanta Computer
Sompo Holdings
Bridgestone
TAISEI
Isuzu Motors
Suzuki
Series B and later5 investors entered at this stage
Mitsubishi
Sumitomo Mitsui Trust Bank
Central Japan Railway Company
Mitsubishi UFJ Financial Group
Toyota Invention Partners
Other known investors1 additional known investor
Nagoya University
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Tier IV on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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