Top 45 Social Network Startup Investors in Japan (August 2026)

Portfolio highlights

• iiba — Iiba is a geospatial platform that specializes in providing location information related to child-rearing.
• Tohakusha — Tohakusha is a creative agency that offers design, production and sale of digital content and EC websites, and content creation services.
• Neighbor — Neighbor is a metaverse game developer that specializes in Fortnite.

Portfolio highlights

• Reject — Reject is an esports firm that focuses on management of its team REJECT, players, apparel business, and event management services.
• Holo-X — Holo-X provides augmented, virtual, and mixed realities services and products.
• Sisuta — Sisuta is a purpose-driven organization committed to addressing fundamental social issues by seamlessly integrating human insight with advanced technology, creating innovative solutions that empower individuals, strengthen communities, and unlock the full potential of both people and digital tools to drive sustainable social impact.

Portfolio highlights

• Spike Studio — Spike Studio Inc., established in November 2023, is a Tokyo-based company specializing in generative AI and large language models. Their mission is to enhance Japan’s labor productivity tenfold by integrating advanced AI solutions into client operations and services. The company offers customized AI solutions, system integration, data analysis,predictive modeling, and training programs to help clients leverage generative AI effectively. Co-founded by CEO Shigeru Kuroyanagi and COO Hirohide Sano, Spike Studio aims to address challenges such as declining international competitiveness, an aging population, and labor shortages in Japan.
• Yosemite — Yosemite is a wellness company that provides health and wellness products, supplements, skincare, and personal care items.
• Innovative Space Carrier — Innovative Space Carrier is a aerospace company that offers space transportation systems, planning, drafting and technology strategies.

Portfolio highlights

• HIBARI — HIBARI solves on-site issues through AI and digital twins.
• Unseed — Unseed is a consulting company that provides in-house training in data analysis and AI model development, technical expertise and training.
• Zevero — Carbon Accounting Software and Services. With Zevero optimise your carbon footprint management effortlessly. Take charge of sustainability today!

Portfolio highlights

• 1SEC — 1sec is a virtual influencers in Japan,develop in-house and management. IMPACT to CEKAI in 1 second. Based on the concept of making CEKAI happy in one second, US based in Los Angeles and Japan, based in Tokyo, virtual influencers × AI, fashion & music & The company will develop a number of CEKAI's first and first projects in Japan inthe field of enter teignment.
• Gatari — Gatari specializes in the planning, development, and operation of XR services. Auris, a futuristic audio guide, and Vismuth, a camera app that transforms reality into a story, are two of Gatari's services.
• Thirdverse — Thirdverse is a web3 and virtual reality game studio that develops and operates multiplayer virtual reality games. The company combines the technology of blockchain to create an economic zone and a virtual world, enabling customers to experience seamless gameplay in a virtual environment.Thirdverse was founded in 2016 and is headquartered nTokyo, Japan.

Portfolio highlights

• JuniGo — JuniGo is a financial technology company that provides a digital wallet and payment platform for micro, small, and medium enterprises.
• Takenos — Takenos provides the best way to get paid in LATAM for freelancers and contractors.
• SuperIntent — SuperIntent is a cryptocurrency AI app that streamlines on-chain earning tactics. Developed on a multi-agent framework with abundant yield sources.

Portfolio highlights

• Sazo — Sazo specializes in constructing a global e-commerce and logistics network with AI.
• Dioseve — Dioseve is providing novel possibilities for all life.
• Free Standard — Free Standard is a developer platform that offers product development and recommerce business implementation for the retail industry.

Portfolio highlights

• Chipee — Chipee is a social networking platform that enables its users to send digital gratitude in the form of chips.
• AGRI SMILE — AGRI SMILE employs technology to create sustainable agriculture, communities, and production areas. It promotes agricultural industry development by combining software as a tool for accumulating and inheriting technology with science, which creates new technology based on accumulated data. They seeks to establish a cultivation system that is inharmony with the environment and the region, allowing agricultural workers to live a rich life both financially and spiritually.
• CharacterBank — CharacterBank offers game development and production services using VR technology.

Portfolio highlights

• Arcterus — Adapts to their learning style, learning by learning in an optimized manner is maximized. Walking terrace is based on the knowledge obtained theory of technology and Adaptive Learning to deal with big data, from the guidance field, it will provide the best learning experience for the individual learner.
• Clearnote — CLEAR is an educational note-sharing platform.
• Revolver — Revolver is the new futuristic startup company.The team would provide the amazing solutions to the people who are not yet be satisfied by the current social networks with the simplicity and elegance.

Portfolio highlights

• Yuime — Yuime is an HR consulting firm that offers agricultural staffing, contract farming, and recruitment services.
• RLWRLD — RLWRLD specializes in "Physical AI" by creating robotics foundation models (RFMs) designed to enable robots to function autonomously in real-world environments.
• Bounce — Luggage Storage Near Me 24/7 - Store your baggage in 32,000+ worldwide locations. Bounce is the BEST luggage storage app for finding and booking left luggage & lockers near you!

Portfolio highlights

• Chipee — Chipee is a social networking platform that enables its users to send digital gratitude in the form of chips.
• Earth Boat — Earth Boat is an accomodation company that specializes in manufacture, sales, and support services of trailer houses and portable saunas.
• The Chain Museum — The Chain Museum provides a platform for individual viewers to express and share their impressions of art works, connect with artists, and support them. It also aims to operate art museums and provide consulting services.

Portfolio highlights

• LQUOM — QWAVE offers cryptography communication technology.
• Alxtal — Alxtal is a tech company who optimize the development, design, and manufacturing processes of the manufacturing industry with IT and AI.
• Direava — Direava is a medical device company that manufactures, sells, leases, and maintains medical equipments along with consulting services.

Portfolio highlights

• Mento — UGOKU is a provider of management of personal coaching service.
• KAUCHE — KAUCHE is a discovery-based e-commerce model where friends and family can “discover” and purchase daily sale items together. They provide services for online retail shops. KAUCHE is committed in creating an exciting shopping experience for both customers and partners who want to sell products.
• Unito — Unito is a hospitality firm that offers lodging and accommodation facilities.

Portfolio highlights

• Viibar — Viibar has a mission of "Opening the horizon of videos and making the world positive." We delve into the area of Video Tech through "Video SaaS Business", "DX Business for Media Platformers", and "Liver Success Business", and support the utilization of video by companies and individuals with technology andnew mechanisms.
• Kyash — Kyash is a Japanese fintech startup offering consumer / business payment services. Kyash was founded on January 23, 2015, and is based in Tokyo, Japan.
• Agile Media Network — Agile Media Network is a Tokyo-based advertising network and blog marketing company for blogs and social media. Much like Federated Media in the US, Agile Media Network, is well known for working with many top blogs, i.e. Engadget Japanese.The company, one of the biggest of its kind in Japan, provides a number of solutions in the advertisingand planning fields for its clients. For example, Agile Media Network handles and organizes banner ad sales, large-scale blogger meetings, web industry events or campaign blogs.In August 2009, the company organized WISH 2009, a web industry event in Tokyo at which startups were given the chance to demonstrate their services onstage to an audience of over 400 people.

Portfolio highlights

• Anaguma — Anaguma handles business development based on the philosophy of helping people with a sustainable structure. The company's business objective is to eliminate concerns about purchases and reservations, and it delivers before-sales social networks. It also provides matching services exclusively for housekeepers' personal contracts. Thecompany also offers influencer marketing services with a focus on removing waste completely from advertising and realizing a world in which good products can be sold regardless of advertising costs.Anaguma was founded in January 2016 and is headquartered in Tokyo, Japan.
• Ness — Ness is a tech company that offers 3 service websites and analytic tools for NFT marketing tool, TikTok product and NFT holders.
• Visual Bank — Visual Bank operates a stock photo business and provides an AI data platform. It aims to create a society in which the value of Japanese creations is maximized and optimized.

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 — AI R&D: Deep learning, Machine learning, Automation, Text mining. Development, customization and maintenance of software platforms for drug discovery and life science research.

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 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

• CaTe — CaTe is based in Tokyo. CaTe develops and manufactures a Digital Therapeutic (DTx) for remote cardiac rehabilitation. Their invention allows heart disease patients to safely and successfully complete cardiac rehabilitation utilizing standing exercise in a confined space, such as at home, without the use of ergometers or similar instruments.
• Hicky — Hicky is a manufacturing company that manufactures medical device for central sleep apnea.
• Vreach — VrWillShine Inceach is a specialized Japanese online tutoring service and educational platform designed specifically for students with visual impairments (blind or low vision).

Portfolio highlights

• Taian — Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii.
• AI Mage — AI Mage is an IT company that provides AI solutions for anime production business industries.
• Umami United — Umami United is a plant-based food brand with unique focus on Japanese food technologies and traditional ingredients to make delicious and healthy food to unite people at one table. The wide lineups are designed to be vegan-friendly, buddhist friendly, and halal friendly for all.

Portfolio highlights

• Taian — Taian, which specializes in bridal industry services and software. They also provide ''Concept Marry,'' which allows couples to design invites and seating charts that match their wedding theme, as well as display guest information on Oiwaii.
• RoboTruck — RoboTruck develops autonomous driving technologies for huge trucks, as well as practical applications.
• Knowledge Work — Knowledge Work specializes in the development and sales of software for companies.

Portfolio highlights

• Onepair — Onepair is a job consulting and recruiting company. Onepair is to co-creating careers by talking about real-world ace with active ace.
• Strainer — Strainer Co., Ltd. is an information distribution platform that conveys corporate information centered on financial data. Although there are not a few media to deliver financial information, the company's strengths are strong to be easily viewed, including financial information of overseas companies.
• LAMILA — LAMILA develops system that improves the creation of retail stores.

Portfolio highlights

• Buy&Ship — Buyandship provides cross-border eCommerce solution focusing on Marketing and Logistics. At Buyandship, is redefining the experience of E-Commerce without changing the sites, disrupting the underlying infrastructure, we provide consolidate, aggregate and load-balance shipments across the world to the consumer's doorstep. Our technologyfocuses on connecting the fragmented existing logistics infrastructure to create a seamless experience for both merchants and consumers, and the benefit is that they get a solution that is 30-50% less than other carriers. We also work with merchants, marketplaces, and platforms to create a channel to reach an audience across our geographies (9 Countries currently) and reaching over 1.5M+ people per month whilst growing. We envision our members being able to purchase from any site around the world and have it seamlessly be shipped home. No more geographical restrictions, No more price monopolies, No more ambiguous shipping situations. We are building towards a transparent system, where both buyers and sellers just focus on the product.
• Piece — Piece is a digital real estate platform offering the easiest and most transparent way to participate in income-producing real estate in Europe. Our mission is to make real estate ownership inclusive and more accessible.
• Infobox — Infobox is a sales data platform that includes every detail from market research to creating a list of companies and contacting decision-makers.

Portfolio highlights

• Raena — RAENA adalah platform reseller kecantikan terbesar di Indonesia yang memberikan peluang bisnis rumahan yang menjanjikan. Dropshipper & Reseller produk kecantikan
• Ralali — Ralali.com, Pusat toko grosir online pertama di Indonesia, sebagai b2b wholesale marketplace platform yang menghubungkan supplier, distributor dengan retail.
• Delivered Korea — Delivered Korea is an e-commerce platform, that accelerates cross-border e-commerce from South Korea to your country.

Portfolio highlights

• CaTe — CaTe is based in Tokyo. CaTe develops and manufactures a Digital Therapeutic (DTx) for remote cardiac rehabilitation. Their invention allows heart disease patients to safely and successfully complete cardiac rehabilitation utilizing standing exercise in a confined space, such as at home, without the use of ergometers or similar instruments.
• Gaianixx — Gaianixx is a manufacturing company that conducts research and develops new technologies to advance the semiconductor sector.
• Sharing Energy — Sharing Energy is providing energy supply and energy management services.

Portfolio highlights

• Yondemy — Yondemy is an online platform for children reading books.
• Yokohama Vanilla — Yokohama Vanilla is a Company which operates Yokohama-based gift sweets brand.
• Zeal Boxing Fitness — Zeal Boxing Fitness combines power of sports with the power of technology to provide a service that allows to enjoy fitness.

Portfolio highlights

• Kiviaq —
• Asclepath — Asclepath Company develops and provides DX (Digital Transformation) services, including Asclepath AIOS—an AI platform designed to support clinic operations and management.
• Legal Acces — legal access is a critical step toward building a nation that is governed by the rule of law, where laws are applied fairly and transparently, and where every individual has the ability to understand, engage with, and seek protection or justice through the legal system.

Portfolio highlights

• Dioseve — Dioseve is providing novel possibilities for all life.
• LOOV — LOOV is a video platform that helps in creating professional and data-driven videos for salesmen and marketers to boost conversion metrics.
• RoboTruck — RoboTruck develops autonomous driving technologies for huge trucks, as well as practical applications.

Portfolio highlights

• Xmart — Xmart is a Costs can be reduced by simply sending invoices for one month.
• AGRI SMILE — AGRI SMILE employs technology to create sustainable agriculture, communities, and production areas. It promotes agricultural industry development by combining software as a tool for accumulating and inheriting technology with science, which creates new technology based on accumulated data. They seeks to establish a cultivation system that is inharmony with the environment and the region, allowing agricultural workers to live a rich life both financially and spiritually.
• Another works — Another works is a internet platform & the industry's first service that allows you to directly approach the talent you are interested in from a database of a variety of ready-to-work and multi-tasking personnel. You can also use the performance fee for free.

Portfolio highlights

• Mepple — Mepple is planning, developing, and operating internet services.
• For you — For you is a comprehensive Advertising agency business specializing in SNS.
• SPORTS CROWN — SPORTS CROWN engages in the development and operation of fantasy sports.

Portfolio highlights

• LQUOM — QWAVE offers cryptography communication technology.
• Atom — Atom is a humanoid robot built platform. Its bipedal, dual-armed robots are designed not just as industrial tools but as collaborators that expand human capability. By combining advanced Physical AI—environmental perception, judgment, and action planning—with robust robotic hardware, Atom is creating adaptive agents capable of working acrossdiverse settings to augment or, where appropriate, replace human labor. The company positions these robots as a next step in societal evolution: a new class of machines that learn and behave in human-like ways to advance productivity, safety, and quality of life.
• Link Therapeutics — Link Therapeutics specializes in developing therapeutic methods for targeting autoantibodies and identifying pathogenic autoantibodies.

Portfolio highlights

• Chipee — Chipee is a social networking platform that enables its users to send digital gratitude in the form of chips.
• GEOFLA — Geofra develops Planning and creation of items that rejuvenate the movement of people in physical areas, regional revitalization initiatives
• Runtrip — This is one way to enjoy running without being bound by numbers.You can walk along the way. You can stop.It's all your freedom to run with whom.There are scenery in the world that can only be seen by running,There are friends who can only meet by running.The discovery or encounter may be in the immediate vicinityIt may beon the back of the earth.Occasionally, time, order, and distance are set aside.To a world where you can run more freely and enjoyably.

Portfolio highlights

• Rayout — Rayout is a business consulting company that provides creative content development, recruitment videos, and web production services.
• CareMaker — CareMaker is a technology company that develops and operates visit schedule management and regional collaboration cloud services.
• Rehabilitation 3.0 — Rehabilitation 3.0 focuses on a preventive medical system that provides AI assessment and tracking on health, exercise, mood, and wellness.

Portfolio highlights

• Sagri — Sagri is developing agriculture software for experienced farmers.
• Omneky — Omneky - Omnichannel Creative Orchestration
• Flyp — Grow resale business with easy access to inventory and free automation tools. Join 10,000+ resellers today.

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 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

• 400F — 400F develops services to solve problems related to people's lives and assets. It was founded in 2017 and is headquartered in Tokyo.
• Utaite — Utaite is an operator of an entertainment platform that focuses on planning, production, and development of entertainment content.
• Rocket Link Technology — Rocket Link Technology is a product development company that specializes in designing LTP rockets for space travel.

Portfolio highlights

• Colorful Casting — Colorful Casting is a digital platform that allows companies to match with influencers, models, actors, singers and idols.

Portfolio highlights

• SmarTrial — Activaid owns and operates a social data platform for patients with inflammatory bowel disease. It allows patients to support and exchange information within the patient community with the same disease; provide information necessary for new drug development and matching to clinical trials that suits them; and improve medical treatment. YasuakiHasebe founded Activaid in 2018. It has its headquarters in Tokyo in Japan.
• Genomelink — Genomelink is a platform where people discover more with their DNA data and help businesses build, market and do research with it. The best founders in consumer genomics with real experience in the industry for many years, including M3, Inc. ($13B valued Meditech in Japan), a founding member of the Japanese version of 23andMe, and leadbioinformatician and software engineer at a joint-venture between Illumina and Sony. Raised $4M for Seed Round from Berkeley SkyDeck, SONY, and top-tier Japanese VCs. Supported by Illumina Accelerator, Carlos Bustamante Lab at Stanford University among others.
• MinD in a Device — MinD in a Device Co., Ltd. is a university-launched venture that aims to port human consciousness to devices (machines and computers) in the medium to long term based on long-term research results on consciousness. As the first step toward realization, we will evolve and deepen the "generation model" considered to be the source ofconsciousness, and promote the development of next-generation AI and social implementation.

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

• Graffity — Graffity to provide AR experiences globally and enrich life more conveniently and invent the AR entertainment experience and provide it globally.

Portfolio highlights

• CMerTV — CMer TV is a platform that connects advertisers with newspapers, magazines, and specialized media by video
• Link Therapeutics — Link Therapeutics specializes in developing therapeutic methods for targeting autoantibodies and identifying pathogenic autoantibodies.
• Pixie Dust Technologies — Pixie Dust Technologies is a developer of computational technologies, including its ultrasonic phased array system with which one can generate force in mid-air; transport things in mid-air without touching anything; target and deliver different sounds from person to person in a crowd; direct guide-dogs; and even apply this in agricultural farming.

Portfolio highlights

• MIL — MIL is a marketing company it can be used for a wide range of video marketing such as video commerce , O2O measures , recruitment videos , and landing videos.
• Now Do — Now Do provides online growth revolution platform.
• Saurus Japan — SAURUS JAPAN is an online store that sells sports supplements. They provide athletes with protein and amino acids. They provide quality raw materials and formulations with a focus on safety and security. Their nutrients serve the purpose that professionals need.

Portfolio highlights

• Illusil — Illusil is a service that makes it easier for anyone to generate slide materials and reduces the amount of time needed to do it. Additionally, presentations can be automatically generated from text input by AI, and over 1,000 design templates can be used to build original slides.
• Alyaum — Aryaum supports "regional revitalization through NFT" by offering local governments all around the nation hometown tax and tourism NFT solutions.
• Driver Technologies — Driver Technologies is a cloud logistics platform provider. It provides a solution for driver matching and cargo vehicle demands.

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

• Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.
• Black Cat Carnival — Black Cat Carnival Inc. is a communication service development company.
• 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

• Taliki — Taliki is a Coworking Space Operates Social Entrepreneurs Development Support for Intrepreneur Development.
• One Nova — One Nova (ワンノバ) is a lifestyle brand and online platform that offers a range of innerwear products, such as men's boxers.
• Vivid Garden — vivid garden is an Agriculture company.