Granite-Integral—the joint venture between Granite Asia and Integral GlobalTech Partners—has made its first investment in the $1- million Series B funding round of Japan’s Notta AI, an AI-based note-taking app.
The deal was announced just months after Granite (formerly GGV Capital Asia) and Japan-listed private equity firm Integral Corporation joined hands to launch a co-investment platform with an initial capital of $100 million to invest in high-growth companies with a strong Japan nexus.
The new partnership will see Granite-Integral work with Notta’s leadership to build out enterprise capabilities, reinforce compliance, and support global expansion, according to a company statement.
Founded in 2020 by serial entrepreneur Ryan Zhang, Notta’s platform converts spoken conversations into simple summaries and action items, making it easier for people and companies to capture and use information from meetings, interviews, and customer calls.
It records, transcribes, summarises, and organises information from text, audio, and video, giving teams one place to manage their work as they move towards more hybrid and AI-assisted workflows, according to a company statement.
Notta’s next step is to build stronger AI-agent features and deepen integrations with Zoom, Google Meet, Salesforce, and Slack, positioning the platform as a leader in voice-powered automation.
“Notta is redefining how AI can serve real enterprise needs through deep local execution,” said Joe Yan, co-head at Granite-Integral. “Japan’s market rewards precision, security, and cultural understanding as much as technical innovation. Notta’s success shows that when you build with respect for that DNA, the outcome is globally competitive technology that can scale far beyond Japan.”
“With their support, we aim to transform voice-driven AI from a productivity tool into an everyday intelligence layer for businesses worldwide,” Zhang said in the statement.
The startup last raised $6.3 million to drive US market entry in July, bringing total investment to over $16 million at the time. The round was led by GL Ventures and Mizuho Leaguer Investments.



