Top 50 Climate Angel Investors in Japan (August 2026)

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.
• Kids Snack Lab — Kids Snack Lab is a food manufacturing firm that produces and sells nutritional sweets for children.
• Metaverse Creators — Metaverse Creators is a feature-rich virtual platform providing gamers with a wide range of games, creation tools, and avatar editing tools.

Portfolio highlights

• Voicetep — Voicetep is a unique dating app that enables users to begin meaningful connections without needing to share photos or exchange messages, instead fostering relationships through voice-based interactions that emphasize personality, authenticity, and genuine communication from the very first encounter.
• AVIATE — AVIATE Inc. is a Tokyo-based technology startup that designs and builds AI-driven business automation systems. The company develops TASKBASE, an operational workflow layer that allows enterprise teams to run backend business operations entirely from natural language prompts.
• Nicoli — Nicoli is a company that creates content and advertisements that increase happy time for parents and children .

Portfolio highlights

• Grafto — Grafto operates “Mylo Magazine,” a platform dedicated to sharing and promoting trend culture, where readers can explore the latest developments in lifestyle, fashion, art, and emerging cultural movements through engaging and curated content.
• FLASH — FLASH is an entertainment and technology startup.
• OPERA TECH — OPERA Lead is a sales-focused AI web chatbot service from Opera Technology that turns websites into 24/7 "exhibit booths" for lead generation.It deploys AI sales assistants on existing sites (via simple tag embedding, no redesign needed) to engage the 99% of visitors who don't convert via inbound methods alone. Key capabilitiesinclude direct booking of meetings, guiding users to whitepapers/webinars, and targeted lead qualification for efficient deal progression.

Portfolio highlights

• Stayway — Stayway is operating the world's largest hotel and vacation facility search and comparison site.
• Tooon — Tooon Inc. is a technology company that deals with development and operations of business management tools .
• Acompany — Acompany provides products and consulting development related to secret computing.

Portfolio highlights

• Kaimak — Kaymak is a recruitment platform that focuses on creating a recruitment website, planning a recruitment strategy, and managing candidates.
• Meetscare — Meetscare provides correct information and supports the self-awareness of all people involved in care. The company provides a wealth of information to ensure optimal care and create a mechanism for the realization. Users can make a telephone consultation and web diagnosis and search for free information using the system.Meetscare was founded on2016 and is headquartered in Arakawa, Tokyo.
• Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.

Portfolio highlights

• Pleap — Pleap is a medical engineering company specializing in the development of AI and IoT-based technology solutions tailored for medical institutions. The company's product offerings include "medimo" which is an AI tool that automatically creates medical record manuscripts from medical audio.
• Terrafarm — Terrafarm is a Tokyo-based agritech and aerospace start-up that develops fully automated, space-ready plant factory modules designed to operate in extreme environments.
• Conoris Technologies — Conoris Technologies is a staffing agency that offers security check support services for companies.

Portfolio highlights

• Pyrenee — Pyrenee provides traffic data collection and analysis in addition to developing, producing, and selling AI driving aids. The addition of an AI driving assistance system to existing vehicles. It improves safe driving and reduces traffic accidents as a capable driver's assistant.
• Antescofo — Antescofo is the mariage of world-class R&D and Business endeavours. Their technology is the result of 7+ years of R&D in the world’s largest laboratory dedicated to Music and Technology, IRCAM in Paris, and public experience with the most important musicians and orchestras around the world. The principle? Through Intelligent MachineListening, they recognize how humans perform music in real-time and use that information to synchronize content and provide an immersive experience! Antescofo was incorporated in July 2016 and based in Paris, France.
• Stake Technologies — Stake Technologies is a technology company that provides blockchain solutions to enterprises.

Portfolio highlights

• Shiftus — Shiftus is a communication application that can be used in various part-time job sites such as cafes, izakayas, hotels, supermarkets
• Flagellin — Flagellin is a pharmaceutical and medical industry.Development and sales of SaaS that supports sales and marketing of database and analysis services in the pharmaceutical and medical industries
• Giver Take All — Gibber Take All is a Planning, development and management of business sharing platform

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.

Portfolio highlights

• BionicM — BionicM develops high-performance robot prostheses that enhance mobility for people with disabilities.BionicM has been conducting research on innovative technologies since 2015 at the University of Tokyo's Information Systems Engineering Laboratory (JSK) under the guidance of Professor Inaba and utilizing the world's most advancedrobotics research. In 2016, we were adopted by the Japan Science and Technology Agency as part of "Program for Creating STart-ups from Advanced Research and Technology" (START), and in 2018, the company was established as a joint-stock company.
• AndGAMER — AndGAMER is an eSports agency that develops custom controllers and gaming products for players.
• Freecracy — FreeC a platform that connects millions of employers and job seekers by utilizing intelligent matching technology that is powered by AI.

Portfolio highlights

• COELU — COELU wants to be at the forefront of organizations that decide to take on obstacles in order to become a "core of growth."
• Ixyas — Ixyas offers internet service planning, operation, marketing support, and sales services.
• CAN EAT — CAN EAT is an information-intensive web service that can be expected to prevent allergic accidents.

Portfolio highlights

• Eco-Pork — Eco-Pork is a co-creation solution farm that supports farmers' food productivity improvement. It is connecting the pig and technology, pork ( Pork ) new business ecosystems ( Ecosystem By building a), in the pork growing demand around the world, to get the most out of the food supply capacity is finite.
• ImpacFat — ImpacFat is a food production company that develops fish meat alternatives through cell cultivation.
• ElevationSpace — ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environment .

Portfolio highlights

• BionicM — BionicM develops high-performance robot prostheses that enhance mobility for people with disabilities.BionicM has been conducting research on innovative technologies since 2015 at the University of Tokyo's Information Systems Engineering Laboratory (JSK) under the guidance of Professor Inaba and utilizing the world's most advancedrobotics research. In 2016, we were adopted by the Japan Science and Technology Agency as part of "Program for Creating STart-ups from Advanced Research and Technology" (START), and in 2018, the company was established as a joint-stock company.

Portfolio highlights

• Tokyo — Tokyo provides consistently-designed signage and projector installation, as well as maintenance company support. All customers need is “product selection” considering installation. This is a service that does not take time and effort!
• Aidemy — Aidemy is a web service where you can learn AI programming online.
• Girasol Energy — Girasol Energy is an IoT Platform provides innovative PLC technologies that enable wiser PV Plants.

Portfolio highlights

• Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.
• Ark Edge Space — ArkEdge Space is a manufacturer of microsatellites aimed at promoting space development and usage. The company develops and tests an ultra-small spacecraft that is responsible for communication and positioning systems for lunar activities, as well as establishes a method for cost reduction and mass production of high-performance 6U satellites,allowing businesses in positioning and communication technology to benefit the community by meeting their space needs.
• Carbon CryoCapture — Carbon CryoCapture specializes in the carbon dioxide separation systems aimed at creating economically viable, energy-efficient, and genuinely sustainable CO2 separation and recovery technologies. The company is dedicated to deploying cost-effective, efficient systems for CO2 capture that integrate smoothly with current infrastructures, all whileenhancing energy consumption and production. This enables clients to attain zero emissions throughout the development and application of resources.

Portfolio highlights

• Tancee — Tancee operates a digital platform focused in matching and encouraging the acceptance of international talent.
• ROBOTS — ROBOTS Inc. is a Tokyo-based startup developing a robot integration control platform and physical AI to coordinate different robots and sensors as one system.
• Ark Edge Space — ArkEdge Space is a manufacturer of microsatellites aimed at promoting space development and usage. The company develops and tests an ultra-small spacecraft that is responsible for communication and positioning systems for lunar activities, as well as establishes a method for cost reduction and mass production of high-performance 6U satellites,allowing businesses in positioning and communication technology to benefit the community by meeting their space needs.

Portfolio highlights

• HANOWA — Hanowa is a matching platform between freelance dental hygienists and dental clinics. It matches dental care workers who want to work in their spare time with dental clinics. It can be used for studying, side jobs, and job change activities.
• Smooth — Smooth is a smart parking service that enables unmanned parking lots.
• Willbox — Willbox is an international logistics company providing an international logistics digital platform for shippers and logistics companies. The company's platform "Giho" connects shippers and logistics companies (transportation, packaging, warehousing, customs clearance, etc.) with a direct contract. It visualizes the three elements of[lead time, money, and safety], which have been regarded as a black box, and supports comparative examination and decision making. Willbox digitizes the packing technique of wooden boxes and steel, mandatory for international logistics, and incorporated them into their system. Their mission is to solve the logistics issues focusing on the large cargo of industrial products.The company was founded in 2019 and is based in Yokohama-shi, Kanagawa.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• NUJP — NUJP Co., Ltd. operates a rollout-style platform dedicated to protecting and scaling unique Japanese cultural businesses and mid-to-small brands globally. The company offers a consolidated framework combining brand investment, M&A, management consulting, and localized overseas sales and marketing operations. By addressing critical domesticchallenges such as succession shortages and localized business management, NUJP restructures traditional industries—including apparel, sake brewing, and craft spirits—into globally viable, high-growth entities.
• Beamforfusion — Beamforfusion specializes in the design and manufacture of advanced ion beam systems and related equipment, providing high-precision solutions for applications in scientific research, materials processing, semiconductor fabrication, and fusion technology.
• Ark Edge Space — ArkEdge Space is a manufacturer of microsatellites aimed at promoting space development and usage. The company develops and tests an ultra-small spacecraft that is responsible for communication and positioning systems for lunar activities, as well as establishes a method for cost reduction and mass production of high-performance 6U satellites,allowing businesses in positioning and communication technology to benefit the community by meeting their space needs.

Portfolio highlights

• Jizai — Jizai is a provider of artificial intelligence technology, offering AI solutions, software-as-a-service products powered by AI, and robots that utilize AI capabilities for businesses across various industries. The company focuses on generative AI, large language models (LLMs), and robotics, offering customizable AI platforms and automation tools.It also engages in AI consulting and research collaborations.
• MemoriaPet — Memoria Pet operated by Next Paradigm 2 Co., Ltd. Creates full-color 3D-printed pet figurines from a single uploaded photo. Uses AI to generate 3D models, followed by full-color 3D printing.
• Tsunagari AI — Tsunagari specializes in developing and providing AI-powered consultation services tailored for local governments, aiming to enhance administrative efficiency, support citizen engagement, and streamline public service delivery.

Portfolio highlights

• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• Parallel — Parallel is the hangout app where you can enjoy games, videos, music, and more with friends.
• Holmes — Holmesis a cloud contract system to consistently carry out the creation, conclusion and management of contracts in the cloud.

Portfolio highlights

• Now Do — Now Do provides online growth revolution platform.
• RE — RE specializes in smartphone application design and development.
• Vitalogue Health — Vitalogue Health is a hormone testing service intended to provide access to hormones and medical care. They allow users to self-check the physical condition for pregnancy and how hormones affect it, whether the symptoms are related to menopause, and provide personalized test results, commented on by physicians.

Portfolio highlights

• FiT — FiT encourages the use of information technology in fitness to address industrial concerns. We will build a highly sustainable fitness facility using a business model that allows consumers to easily use the gym without being burdened by price or procedures, while also allowing owners to build a very successful business with low running costs.
• Aoyama Arts — Aoyama Arts is an architecture and consulting company that develops design offices and supports land search and financing plans.
• Fabric Tokyo — FABRIC TOKYO is a Japanese startup provides a direct-to-consumer custom-made apparel brand. (former-company name Lifestyle Design Co., Ltd.). It enables customers to save their sizes, idea fabrics, and favorite designs, allowing them to make their original clothing later.FABRIC TOKYO was founded in 2012 by Yuichiro Mori and is based in Tokyo,Japan.

Portfolio highlights

• CUICIN — Quickin is changing the travel experience with the digital transformation.
• HANOWA — Hanowa is a matching platform between freelance dental hygienists and dental clinics. It matches dental care workers who want to work in their spare time with dental clinics. It can be used for studying, side jobs, and job change activities.
• Yondemy — Yondemy is an online platform for children reading books.

Portfolio highlights

• Helpfeel — Our vision is to make saving, sharing, and exploring ideas as natural as breathing. On this journey we're humbled to be helping millions around the world from solo makers to university research labs, from gamers to pro designers, and large to small teams like ours.
• HACARUS — We make AI work, where common Big Data aproaches fail. Get explainable results, even from small data amounts. Available on the cloud or as embedded devices.

Portfolio highlights

• Jizai — Jizai is a provider of artificial intelligence technology, offering AI solutions, software-as-a-service products powered by AI, and robots that utilize AI capabilities for businesses across various industries. The company focuses on generative AI, large language models (LLMs), and robotics, offering customizable AI platforms and automation tools.It also engages in AI consulting and research collaborations.
• Amptalk — Amptalk is a software development firm specializing in operating automatic transcription and analysis of online business negotiations.
• Media Aid — Media Aid is an advertising agency that provides recruitment, marketing, web creation, and SNS management services

Portfolio highlights

• Toposware — From pioneering cryptographic research to engineering global-scale distributed systems technologies, Toposware is committed to solving the hardest problems to advance open internet standards.
• WATASHIHA — WATASHIHA is a communication company.
• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• Favolist5 — Favolist5 is a software company that develops an abbreviated voice SNS based on web3 for personal media.
• Smartround — Smartround is a specialized finance management platform for startups and their investors. For start-ups, for entrepreneurs who are not familiar with finance, simply enter the necessary information according to the guide, prepare appropriate financing round, and prepare a function that can simulate and execute a capital increase. Support informationsharing and communication with shareholders even after the capital increase.
• AnotherBall — AnotherBall is a blockchain startup that combines entertainment and blockchain.

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• GPx — GPx is a biotech company that revolutionizes remote chronic disease management with bloodless blood tests. It is dedicated to transforming the standard of care of cardiorenal diseases and enabling patients to better understand their condition, much like the continuous glucose monitor has transformed diabetes care.The company was founded in 2020and is based in Boston, Massachusetts.
• AnotherBall — AnotherBall is a blockchain startup that combines entertainment and blockchain.
• SBX Corporation —

Portfolio highlights

• Umitron — Umitron is a data company for aquaculture. We support fish farmers to increase productivity through data analytics. One of the biggest challenges in aquaculture is increasing feeding costs. We optimize feed amount and timing by using fish behavior analytics and water quality data. Our goal is to install Sustainable Aquaculture on Earth.
• nanoFreaks — nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.
• Bankers Holding — Bankers Holding controls the bankers group companies that provide financial services via internet.

Portfolio highlights

• Tooon — Tooon Inc. is a technology company that deals with development and operations of business management tools .
• Ecbo cloak — Ecbo cloak is a sharing service that connects "persons who want to store luggage with shops with space to store luggage. Instead of coin lockers, you can pre-order places online online and store your luggage in the open space of stores of various types of business.
• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• AlgaleX — AlgaleX is a firm that utilizes discarded food waste to create ingredients such as plant-based proteins.

Portfolio highlights

• RABO — RABO is a Cat-Tech Company that "watches cat life with technology.
• nanoFreaks — nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.

Portfolio highlights

• Space Walker — SPACE WALKER specializes in design, manufacture and sale of peripheral components.

Portfolio highlights

• AlgaleX — AlgaleX is a firm that utilizes discarded food waste to create ingredients such as plant-based proteins.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.
• Aidemy — Aidemy is a web service where you can learn AI programming online.
• Bizibl Technologies — Bizibl Technologies provides SaaS services for recruitment events.

Portfolio highlights

• ExtraBold — ExtraBold specializes in the development of 3D printers.

Portfolio highlights

• Seiwa Holdings — Seiwa Holdings is a company that specializes in the welding of large structures. It holds a significant share in the large sign industry in the Chubu region. The company also has a subsidiary, Toei Coating, which boasts one of the largest facilities in Gifu for electric zinc plating. Seiwa Holdings is also involved in the production of road signposts and bridge fall prevention devices. The company operates in the financial services industry and has a workforce of 2 employees.

Portfolio highlights

• AgeWell Japan — Age Well Japan is a conference and festival aimed at understanding Japan's super-aged society and defining new values for the future. The purpose of the gathering is to bring together young people and the elderly to exchange ideas.
• Towing — Towing is an agricultural company that provides farming, manufacturing, and recycling services.

Portfolio highlights

• bgrass — bgrass is a consultation support platform for women working in the IT industry.
• Treasure in Stomach — Treasure in Stomach is a food manufacturing company that develops vegan, gluten-free, and Muslim-friendly products and content.

Portfolio highlights

• Neith — Neith is a apparel manufacturer, seller and a whoelseller of water absorbing bralette, lingerie and shorts for women.
• WARC — WARC provides hands-on support for business management departments as well as mergers and acquisition advisory services.
• Vitalogue Health — Vitalogue Health offers Canvas, a home-based hormone testing service for women.

Portfolio highlights

• Kollektion — KLKTN is a curated music, manga and art NFT platform connecting creators with fans through special experiences. The platform allows fans to access special edition digital art and behind-the-scenes moments of artists' creative process. In collaboration with top creators and artists and powered by blockchain technology, KLKTN is takingartist-fan engagement and the best of creative experiential culture into the digital world. Artworks are available as a limited supply of authenticated digital products or NFTs, for purchase via credit card, with a fixed cost per item. KLKTN's co-founders are Jeff Miyahara, Chief Creative Officer and a renowned record producer and songwriter who has produced over 260 international artists; Fabiano Soriani, Chief Technology Officer and former lead blockchain engineer for Dapper Labs; and Daisuke Iwase, Chief Executive Officer, Harvard Business School graduate, former World Economic Forum Young Global Leader, and a digital pioneer known for co-founding Lifenet, a disruptive fintech venture, which he took to IPO. Built on the Flow blockchain to achieve affordable and environmentally-sustainable minting, KLKTN leaves more for artists, fans, and the planet.
• Sustech — Sustech is a technology company that develops platforms for decarbonization support and distributed power generation services.
• Ispace Technologies — ispace is a private lunar robotic exploration company that is developing micro-robotic technology to provide a low-cost and frequent transportation service to and on the Moon, conduct lunar surface exploration to map, process and deliver resources to our customers in cislunar space.

Portfolio highlights

• Zeigo — Zeigo by Schneider Electric provides sustainability software for efficient carbon reduction and supply chain decarbonization, aiming for a carbon-free future.
• RootWave — RootWave is an electronics company that develops tools that kill weeds it enables farmers to control weeds on their farm. Its technology is an alternative substitute for herbicides and other weed control chemicals. The company was founded in 2012 and headquartered in Warwickshire, United Kingdom.
• CoCooking — CoCooking uses food and cooking to create ample opportunity for dialogue and thought, fostering creativity, diversity, and well-being of individuals and communities.

Portfolio highlights

• Gab — Gab is a company that works to solve social problems as well as develops and markets ethical products.

Portfolio highlights

• Kids Snack Lab — Kids Snack Lab is a food manufacturing firm that produces and sells nutritional sweets for children.
• Best Beer Japan — Best Beer Japan provides a barrel tracking software for craft beer and barrel sharing. The company was founded in 2018.