T
Tier IV
Transportation · Tokyo, Japan · Founded 2015
Developing technologies for safe and intelligent self-driving cars MoreLess
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.
Keywords: autonomous driving, open-source software, Autoware, deep-tech, intelligent vehicles, mobility services, automotive technology, cloud-native platform, reference designs, operational design domains.
Company overview
Tier IV company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2015
- Headquarters
- Tokyo, Japan
- Employees
- 296
- Open positions
- 15
- Dealroom signal
- 83.2
- Investment activity
- 4 companies · latest Dec 2025
- Capital deployed
- $13M
- Preferred round
- LATE VC
Valuation & funding
Tier IV 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 | ↗ |
| LATE VCOther financing | Dec 2025 | $0 | — | Central Japan Railway Company | ↗ |
| DEBTDebt | Oct 2025 | $7M | — | Sumitomo Mitsui Trust Bank | ↗ |
| SERIES BOther financing | Jun 2024 | $54M | $500M | TAISEI · Isuzu Motors · Mitsubishi · Suzuki | ↗ |
| LATE VCOther financing | Mar 2024 | Mitsubishi | ↗ | ||
| GRANTOther financing | Jul 2022 | NEDO | ↗ | ||
| SERIES BOther financing | Jul 2022 | Yamaha Motor · Sompo Holdings · Bridgestone | ↗ | ||
| EARLY VCOther financing | Sep 2020 | Sompo Holdings | — | ||
| SERIES AOther financing | Aug 2019 | Quanta Computer | — |
Growth signals
Tier IV website traffic
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.
Hiring
Open positions at Tier IV
Current openings linked to this company in Dealroom.
Comparisons
Tier IV compared with similar companies
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Capital deployed
Tier IV investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Turing DriveChiayi, TaiwanAutonomous driving software for geofenced and low-speed environments
$19Mvaluation
Eve autonomyShizuoka, JapanAutonomous transport service for indoor and outdoor logistics
$31Mvaluation
Leo DriveIstanbul, TürkiyeFull-stack hardware and software for autonomous vehicles
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OPTIMINDNagoya, JapanAI-powered route optimization for last-mile delivery
→
Talent graph
Tier IV's talent
Source: Dealroom Talent Intelligence.
Investors
18 investors on Tier IV's cap table
Sourced from Dealroom's funding and investor records.
Global footprint
Where Tier IV has talent and traffic
team presence
In the news
Latest news about Tier IV
Recent press, funding announcements, and product moves mentioning Tier IV — open to read from the original sources.
Market sentiment
What the market is saying about Tier IV
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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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