Best Enterprise Infrastructure Companies in Japan
The 218 best Enterprise Infrastructure companies in Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Stockmark.
Japan's Enterprise Infrastructure sector has 218 companies on our radar, with $464M in total disclosed funding and exactly one unicorn in the mix. Stockmark leads the pack at $59M raised, well ahead of Autify at $26M, and the gap between those two and the rest of the field is telling: most of the 218 are early-stage, capital-light bets. Median app install growth is running at roughly +15% YoY across enterprise software and systems categories, which tells you there's real user traction behind the funding numbers. And enterprise spending on private data center equipment is picking back up after a soft patch, pulling IT budgets toward infrastructure again.
So what's shaping the quarter? Two threads keep surfacing. First, AI and identity are moving to the center of how enterprises think about their stack, which puts Japanese vendors building in those layers in a genuinely interesting position. Second, the October 2025 AWS outage reminded procurement teams everywhere that resilience isn't optional. I'd watch how Japan's cloud infrastructure builders respond to that pressure. Mitsubishi UFJ Capital and SMBC Venture Capital are the names writing the most checks here, and their continued activity suggests institutional conviction isn't cooling.
Our analysis of 459 Enterprise Infrastructure companies
$69.2b in tracked funding; 97% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Enterprise Infrastructure companies in Japan
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Stockmark Developer of AI solutions for text data analysis and utilization | $59M | 19 mo ago | 54 | Kosuke Arima Co-Founder Cto | WordPressApple iCloud MailGoogle Workspace+29 | Top 1M | — | — |
| 2 | Eaglys Offering encryption data solutions | $57M | 55 mo ago | — | Yusuke Maruyama Co-Founder | — | — | 41 patents Secure data production, sharing, and conversion platforms enabling privacy-preserving machine learning. | — |
| 3 | ABEJA Provider of digital platforms, AI solutions, and DX support services | $46M | 90 mo ago | 81 | Yousuke Okada Founder & CEO | Apple iCloud MailGoogle WorkspaceNode.js+28 | Top 5M | 9 patents Patents concentrated in computing, sensing & instrumentation | — |
| 4 | Midokura Open source edge platform providing network virtualization solution | $45M | 120 mo ago | 80 | — | WordPressMySQLPHP+27 | Top 50M | — | 1 partnership |
| 5 | Yappli Mobile application development platform using drag and drop features | $30M | 84 mo ago | — | Masashi Sano Co-Founder & Director | VimeoYouTubeReact+35 | Top 1M | 2 patents Application lifecycle management platform for deploying and updating software applications | — |
| 6 | Micoworks Provider of enterprise communication management solution | $29M | 29 mo ago | — | Daiju Matsumoto Founder | WordPressApple iCloud MailGoogle Workspace+24 | Top 5M | — | — |
| 7 | Autify Provider of AI-powered platform for software testing lifecycle automation | $26M | 24 mo ago | 67 | Sam Yamashita Co-Founder | WebflowSalesforceThree.js+31 | Top 5M | 7 patents Automated software testing and test‑automation platform for web and mobile applications | — |
| 8 | TRUSTDOCK API-based platform offering KYC and identity management solutions for banks and financial institutions | $23M | 37 mo ago | 50 | — | — | — | — | — |
| 9 | Blue Planet-works Provider of isolation technology based endpoint security solution | $22M | 81 mo ago | 15 | — | SalesforceNginxAmazon Web Services+23 | Top 5M | — | — |
| 10 | QUADRAC Payment security and authentication solutions | $16M | 71 mo ago | — | Masayuki Takada CEO | WordPressMySQLPHP+12 | Top 10M | 50 patents Contactless public‑transport ticketing, fare settlement, and digital signature processing systems. | — |
| 11 | Arithmer Provider of AI-based chatbot development solutions | $14M | 71 mo ago | 30 | Ryuichi Inui Managing Director | Cart FunctionalityWix eCommerceWix+17 | Top 10M | 27 patents AI-driven monitoring, data analytics, and automated picking for manufacturing and logistics | — |
| 12 | Allied Telesis Provider of high-performance networking solutions | $10M | 224 mo ago | 219 | — | DrupalZohoSalesforce+14 | Top 5M | 216 patents Network management and control for wired/wireless LANs, including CLI, virtual APs, and positioning. | — |
| 13 | Authlete Provider of APIs for OAuth 2.0 and OpenID Connect servers | $8M | 38 mo ago | 22 | — | HugoWistiaBootstrap+20 | Top 5M | — | 3 launchs |
| 14 | SpiderAF Provider of platform protecting marketing from fraud and security risks | $8M | 56 mo ago | 46 | Satoko Ohtsuki Founder & CEO | WebflowAmazon Web ServicesGoogle Ads+30 | Top 5M | — | — |
| 15 | aironworks AironWorks develops a cybersecurity training platform for countering social engineering and targeted attacks. | $6M | 21 mo ago | 11 | — | WordPressMySQLPHP+32 | Top 50M | — | — |
| 16 | Cacco Remittance fraud detection, settlement consulting and statistical analysis | $5M | 120 mo ago | 49 | Hiroyuki Iwai Founder & CEO | WordPressMySQLPHP+24 | Top 500k | — | — |
| 17 | Hexabase Cloud-based platform for system development | $5M | 28 mo ago | 11 | Hidetoshi Iwasaki CEO | Node.jsReactNext.js App Router+21 | Top 5M | — | — |
| 18 | ZenmuTech Obfuscation, fragmentation, and encryption-based data security | $5M | 91 mo ago | — | Taguchi Yoshikazu CEO & President | WordPressMySQLPHP+21 | Top 5M | 26 patents Network access control and log management for telecom and data processing devices | — |
| 19 | Nextremer Provider of AI development services | $5M | 106 mo ago | 14 | Hisahiro Mukai CEO | HubSpot CMS HubApple iCloud MailGoogle Workspace+12 | Top 10M | — | — |
| 20 | Yesod Platform offering federated identity management solutions | $4M | 30 mo ago | 6 | Hideyuki Takeuchi CEO | STUDIOSentryApple iCloud Mail+23 | Top 10M | — | — |
| 21 | NodeX Communication platform for companies | $4M | 15 mo ago | 6 | Masayoshi Mitsui Founder & CEO | — | — | — | 1 job opening |
| 22 | OneBe Provider of managed security services | $4M | 175 mo ago | 8 | — | NginxCloudflareTwitter Ads+11 | Top 5M | — | — |
| 23 | MagicPod Cloud and AI based test automation platform | $4M | 13 mo ago | 11 | Nozomi Ito CEO | a-blog cmsPHPYouTube+27 | Top 5M | — | — |
| 24 | XTREME-D Provider of HPC platforms for private and public cloud | $3M | 19 mo ago | 6 | Naoki Shibata CEO | WordPressMySQLPHP+13 | Top 10M | — | — |
| 25 | Talknote Intra organisation collaboration service | $3M | 151 mo ago | 10 | Haruo Koike Owner & CEO | WordPressMySQLPHP+28 | Top 5M | — | — |
| 26 | Unifinity Unifinity Platform to create applications without programming knowledge | $3M | 106 mo ago | — | Shoji Inagaki CEO & President | — | — | — | — |
| 27 | Scalar Distributed database software | $3M | 44 mo ago | 22 | Akira Fukatsu CEO | DocusaurusZendeskVarnish+12 | Top 50M | 167 patents Tamper‑evident, Byzantine‑fault‑tolerant data management and transaction processing systems. | — |
| 28 | Ai Security Lab Cloud based vulnerability assessment solutions | $3M | 52 mo ago | 23 | Ayumu Aoki CEO | — | — | — | 2 launchs |
| 29 | NORMEE Provider of mobile-based biometric authentication solutions | $3M | 72 mo ago | — | Eisabu Iwata CEO | — | — | 11 patents Secure biometric personal authentication devices and methods for identity verification. | — |
| 30 | MENOU Provider of an AI-based solution for automated visual inspection | $2M | 53 mo ago | 13 | — | STUDIOFirebaseNode.js+15 | Top 10M | — | — |
| 31 | Actcat Code analysis tool for Ruby, PHP, Javascript | $2M | 110 mo ago | — | Koichiro Sumi CEO | — | — | — | — |
| 32 | KEKKAI Web3 security plugin that detects danger by analyzing transaction simulation | $2M | 28 mo ago | 3 | Duma Danny Founder & CEO | Node.jsFirebaseEmotion+10 | Top 50M | — | — |
| 33 | atena Provider of a virtual postal mailbox | $2M | 69 mo ago | — | Kitagata Yuki Co-Founder | — | — | — | — |
| 34 | Capy Javascript & python based freestyle puzzle captcha for authentication | $2M | 105 mo ago | 15 | Mitsuo Okada Co-Founder and CEO | RubyGoogle MapsUbuntu+18 | Top 10M | 4 patents CAPTCHA generation/verification and related information-processing security methods | — |
| 35 | Meety Online interviewing platform provider | $2M | 51 mo ago | 10 | — | — | — | — | — |
| 36 | StartPass Cloud based management acceleration platform for startups | $1M | 7 mo ago | — | Seiyo Obara CEO | — | — | — | — |
| 37 | Tsunagu Platform offering website development software | $957K | 66 mo ago | 4 | — | Node.jsVue.jsNuxt.js+15 | Top 50M | 3 patents AI-driven automated generation of web content and pages | — |
| 38 | Unveillance Cloud-based data leak intelligence platform for incident response | $632K | 133 mo ago | 11 | Karim Hijazi ex-CEO | — | — | — | — |
| 39 | Sweep Cloud-based invoice management software | $617K | 68 mo ago | 33 | — | — | — | — | — |
| 40 | Gamba Employee communication and reporting tool | $600K | 143 mo ago | — | Masahiro Morita CEO & President | WordPressMySQLPHP+32 | Top 5M | — | — |
| 41 | Vidbase Online platform offering video content management solutions | $546K | 44 mo ago | — | Kento Yoshida CEO | — | — | — | — |
| 42 | Studio Website development platform | $443K | 31 mo ago | — | Yutaka Ishii CEO | RubyTrixFacebook Login+26 | Top 500k | 7 patents Graphical user interface design assistance tools for remote-control systems | — |
Top 12 Enterprise Infrastructure companies in Japan
#1
Series D · Minato City, Tokyo · founded 2016 · 54 employees$58.8Mraised▾
Developer of AI solutions for text data analysis and utilization. The company provides tools for transforming organizational text data into actionable insights. These solutions support decision-making and aim to enhance business processes. The company offers services including AI implementation and customized AI agent development.
- Oct 2024Series D$30.1M
- Aug 2022Seed—
- Mar 2021Seed—
#2
Seed · Shinjuku, kanto · founded 2021$1.4Mraised▾
Cloud based management acceleration platform for startups. It provides features for visualizing various barriers in business and guiding towards problem solving. It provides companies a platform to interact with different stakeholders, tools, and services while also providing individuals with deals and possibilities.
- Nov 2025Seed$1.4M
#3
Series B · Chuo-ku, Kyushu · founded 2012 · 11 employees$3.5Mraised▾
Cloud and AI based test automation platform. It supports mobile and web app testing. The platform leverages AI that modifies the script based on UI changes. It supports browser testing for firefox, chrome, and safari, and mobile testing for Android and iOS. Features include test creation assistance function, test case labeling, execution scheduling, and more.
- Apr 2025Series B$3.5M
#4
Seed · Minato City, Tokyo · founded 2019 · 6 employees$4Mraised▾
Communication platform for companies. It is an open-source toolkit that enables secure messaging between devices, including IoT, microservices, and on-premise servers. It optimizes throughput in web applications through its event-driven architecture.
- Mar 2025Seed$4M
#5
Series B · Chuo City, Tokyo · founded 2016 · 67 employees$26.1Mraised▾
Provider of AI-powered platform for software testing lifecycle automation. The platform offers test case generation, test code creation, and mobile test automation. It helps teams create, execute, and maintain automated tests for applications. The platform combines framework capabilities with AI-driven automation, streamlining test creation and optimizing test maintenance.
- Jun 2024Series B$13M
- Oct 2021Series A$10M
- Jul 2019Seed$3.1M
- Jan 2019Seed—
#6
Series C · Tokyo, Tokyo · founded 2015 · 6 employees$3.4Mraised▾
Xtreme D provides HPC platforms for private and public cloud. Its products include HPC public cloud, HPC private cloud, and ultimate HPC with SkyScale. It provides an HPC template that deploys a turnkey cloud supercomputer that can be used any number of times. Products are used in financial, manufacturing, and medical fields for high speed analysis of large amounts of data such as machine learning, deep learning, engineering simulation, big data analysis, and IoT data analysis.
- Nov 2024Series C—
- Nov 2017Series A$2.8M
- Jan 2017Seed$620K
#7
Series A · Tokyo, Tokyo · founded 2021 · 11 employees$5.7Mraised▾
Developer of a phishing prevention platform designed to protect people and teams with AI. The company's platform offers ultra-practical cyber security training that uses technology researched and developed in Israel to improve the essential security level, enabling businesses to protect against cyber threats and phishing.
#8
Series B · Osaka, Osaka · founded 2017$28.7Mraised▾
Provider of enterprise communication management solution
#9
Series A · Tokyo, Tokyo · founded 2017 · 50 employees$22.7Mraised▾
API-based platform offering KYC and identity management solutions for banks and financial institutions. It offers multiple solutions including eKYC, call tracker, identity confirmation API service, personal number acquisition APIs, AML checks, and mailing APIs. It features AML and PEPs risk confirmation, account information confirmation, fraud prevention, and more.
- May 2023Series A$11M
- Jun 2021Series A$11.7M
- May 2019Seed—
#10
Series B · Shibuya, Tokyo · founded 2016$56.6Mraised▾
Offering encryption data solutions. Securing data through the application of advanced encryption technologies, so users can access vast quantities of data while ensuring total confidentiality and compliance with privacy regulations. They convert users existing databases to an always encrypted format, provide AI models that operate over always-encrypted data, and offer Data Scientists controlled and secure access to critical information.
- Nov 2021Series B$40M
- May 2020Series A$12M
- Jan 2019Seed$4.7M
#11
Series B · Chiyoda City, Tokyo · founded 2016 · 11 employees$4.9Mraised▾
Cloud-based platform for system development. It is a cloud service provider that offers modern technology for system development and is positioned as a new area of cloud services for B to B. It provides high-quality back-end functions that can be utilized for web application development.
- Jan 2024Series B$4.9M
- Oct 2023Seed—
#12
Series A · Chiyoda City, Tokyo · founded 2015 · 22 employees$8.3Mraised▾
Provider of APIs for OAuth 2.0 and OpenID Connect servers. The APIs facilitate integration of core functions with user authentication, management services, and API gateways. The company's architecture supports integration with various programming languages. It offers solutions for open banking, payments, media, SaaS, healthcare, and e-commerce.
- Apr 2023Series A$4M
- Feb 2018Seed$3M
- May 2017Seed$1.3M
Funding & investor landscape
Notable founders
How research on Cloud Computing is moving in Japan
A read on the academic research around Cloud Computing — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 670 Japan-affiliated papers.
- The University of Tokyo46
- Tohoku University28
- Kyushu University25
- Asia University22
- National Institute of Information and Communications Technology22
- Scalability1→30
- Operating system1→17
- Key (lock)1→15
- Latency (audio)1→14
- Virtualization1→11
- Edge computing1→14
- Scalability1→13
- Radar1→12
- Enhanced Data Rates for GSM Evolution1→11
- Meteorology2→12
- Satellite1→8
- Meteorology1→4
Where cloud computing is researched across Japan
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing cloud computing patents in Japan
Japan cloud computing patent filing is cooling — 190 filings from 190 assignees (2016–2025), led by Hitachi, NEC, Fujitsu; annual filings 41→12.
- Hitachi127
- NEC95
- Fujitsu43
- Canon KK15
- Nippon Telegraph & Telephone14
- Trend Micro14
- Rakuten Mobile13
- NTT Docomo9