Best Environment Tech Companies in Tokyo, Japan
The 53 best Environment Tech companies in Tokyo, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: JOLED.
Our analysis of 241 Environment Tech companies
$25.6b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in Tokyo
| # | Company | Disclosed funding | Last round | Stage | Founder | Employees | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | brj BRJ is an electric automobile company that offers electric kickboard, electric scooter, and affordable… | — | — | Private | — | 5 | STUDIOFirebaseNode.js+10 | — | — |
| 2 | E2C Blockchain based platform for energy industry | — | — | Deadpooled | Maximallian Wentworth Founder & CEO | — | — | — | — |
| 3 | Energy Gateway Developer of IoT enabled solution for monitoring energy consumption | — | — | Unfunded | Hiroyuki Hayashi CEO | — | — | — | — |
| 4 | Energy Literacy Platform Home intelligence platform | — | — | Unfunded | Shuichi Ishibashi Co-Founder & CEO | — | — | — | — |
| 5 | Entrance Transformation Technology solution for hydrogen production | — | — | Unfunded | Yasuo Kida CEO | — | — | — | — |
| 6 | Helios Provider of satellite data analysis, hardware, and web solution services | — | — | Unfunded | Kyohei Yashima Co-Founder & COO | — | Wix eCommerceCart FunctionalityWix+14 | 7 patents Biotech cell manufacturing, industrial shredders, and telecom communication device technologies. | — |
| 7 | Hitachi Global Life Solutions Cloud-based energy and equipment management services | — | — | Deadpooled | Toshiaki Higashihara CEO & President | — | SalesforceWindows ServerMicrosoft ASP.NET+1 | 577 patents Cleanroom and dust‑free environment control systems, including cleaning and refrigeration equipment. | — |
| 8 | Informetis Provider of AI and cloud-driven load disaggregation solutions for homes | — | — | Public | Taro Tadano CEO | 53 | WordPressMySQLPHP+11 | 49 patents Industrial measurement devices with integrated time synchronization and control software | — |
Top 12 Environment Tech companies in Tokyo
#1
Series A · Chiyoda City, Tokyo · founded 2021 · 9 employees$3.6Mraised▾
AI-driven platform offering portfolio management solutions for renewable energy operators. It allows users to manage multiple distributed power plants, forecast solar & wind power generation, coordinate power trading, and more.
- Apr 2026Series A$6M
- Mar 2024Seed$3M
- Mar 2022Seed$605.6K
#2
Public · Minato, Tokyo · founded 2021 · 47 employees$91.1Mraised▾
Manufacturer of stationary battery storage systems and related energy services. The company provides large-scale stationary battery solutions and related services. These offerings include battery storage systems, energy services, and charging solutions. The company is also involved in energy-related projects. It develops and deploys grid-connected energy storage solutions for power companies, real estate developers, and logistics firms.
- Mar 2025Series C$21.4M
- Sep 2024Series C$17.3M
- Jan 2024Conventional Debt$64.1M
- Jul 2023Series B$13.3M
#3
Series B · Bunkyo, Tokyo · founded 2017 · 8 employees$4.6Mraised▾
Provider of AI and cloud-based monitoring solutions for photovoltaic plants. It provides a PPLC sensor that collects data from panels and a PPLC gateway that communicates with the PPLC cloud. The PPLC cloud automatically located abnormal behavior using an AI engine.
- Apr 2025Series B$9M
- Mar 2024Series B—
- Aug 2021Series A$4.6M
#4
Series A · Minato City, Tokyo · founded 2021 · 20 employees$5.7Mraised▾
Manufacturer of optical film
- Jan 2025Series A$5.7M
#5
Late Stage · Tokyo, Tokyo · founded 2015 · 590 employees$1.4Braised▾
Developer of OLED-based display panels including printed OLED, oxide TFT displays, and flexible displays. Offerings include display panels developed using technologies such as printed OLED, oxide TFT technology (TAOS), and flexible displays. The displays are claimed to have multiple features such as they are foldable, unbreakable, see-through, flexible, transparent, energy efficient, have better image quality and self-luminance, etc. Target markets include smartphones, wearable devices, medical equipment monitors, laptops, computers, etc.
- Jun 2020PE$280.6M
- Apr 2019PE$228.2M
- Aug 2018PE$425.6M
- Dec 2017PE$441.2M
#6
Seed · Minato, Tokyo · founded 2023$2Mraised▾
Provider of carbon credit and emissions trading platform. It facilitates the buying and selling of carbon credits among developers, sellers, traders, and buyers. Its platform enables businesses to reduce their environmental impact and contribute to a sustainable future.
- Mar 2025Seed$2M
#7
Series B · Chiyoda City, Tokyo · founded 2004 · 100 employees$21Mraised▾
Provider of GX solutions, energy trading, and renewable energy platforms. They offer solutions to accelerate decarbonization for regions and businesses. The company provides a platform for circulating renewable energy. It also shares information through its original media regarding carbon neutrality.
- Aug 2023Series B$21M
#8
Series D · Chiyoda City, Tokyo · founded 2007 · 15 employees$30.5Mraised▾
Plastic processing technology developer. It is a cleantech company that develops technology for waste plastic processing. The company sets up supply chain processes to recycle waste plastic into usable materials which can be further used to manufacture clothes. The company establishes cooperative relationships with various stakeholders such as operators, related administrative agencies, and nonprofit organizations. They currently have 2 plants, one conducts pyrolysis recycling of mobile phones and E-waste and the other is involved in the production of bio-ethanol from cotton fiber.
- Sep 2022Series D—
- Feb 2022Series C$30.5M
- Sep 2021Seed—
#9
Series A · Minato, Tokyo · founded 2021$17.9Mraised▾
Provides GHG emissions from corporate activities and the supply chains
- Feb 2023Series A$17.9M
#10
Series A · Shibuya, Tokyo · founded 2011$2Mraised▾
Pirika is a waste collection app provider. It is a social litter collection app. Claim to be used by the municipality, local government, and corporates. It also provides AI based litter survey solutions. Available for iOS and Android platforms.
- May 2023Series A$2M
- Sep 2016Seed—
#11
Deadpooled · Chiyoda City, Tokyo · founded 2012$17.6Mraised▾
Panair provides cloud-based solutions for power distribution companies. It analyzes information such as power demand, weather, supply & demand conditions, temperature, to provide solutions. Claims to reduce power distribution costs by using big data and AI.
- Jun 2018Series C$17.6M
#12
Series A · Tokyo, Tokyo · founded 2015 · 121 employees$10.9Mraised▾
Sensin Robotics provides drone hub, related control software, and inspection solutions. It provides aerial vehicle technology intended to use on drones and robots for helping enterprises and municipalities in inspection, disaster countermeasure, and security and surveillance. It offers a fully automated drone hub that integrates a drone aircraft, a base that supports automatic departure or arrival, and automatic charging. In addition, the company offers a platform that allows setting waypoints to automatically generate a flight plan for drones to follow and a communication service that helps users remotely share images captured by the drone at multiple bases, in real-time. Sensin Robotics also provides inspection services for photovoltaic power plants and towers.
- Jun 2020Conventional Debt—
- Jun 2020Series A—
- Jul 2018Series A$10.9M
- May 2016Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Tokyo researches in environmental monitoring
- The University of Tokyo12
- Tokyo Metropolitan Industrial Technology Research Institute3
- Tokyo Metropolitan University3
- Tokyo College of Environment2
- Tokyo University of Technology2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.