Twin1 AI Raises $5M in Seed Extension Funding Led by Curql

Twin1 AI, a San Mateo, CA-based provider of a privacy-first platform that gives professionals AI-powered digital twins, has raised $5 million in a Seed extension funding round, bringing the total to $25 million.

The round was led by Curql with participation from Greyhair Ventures, KittyHawk Frontier, and angel investors Apex Star Capital, Bin Lin, Fan Li, Raj Bector, Isaac Levy, and Cindy Levy.

The company will use the funds to expand deployments across credit unions, global law firms, and financial institutions, grow its teams in San Mateo and London, and develop its enterprise platform.

What is Twin1 AI?

Twin1 AI develops a privacy focused platform that creates AI powered digital twins of professionals. These digital twins are built, with permission, using information from a persons emails, meetings, documents and workplace systems.

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Each digital twin is designed to reflect the professional's knowledge, judgment, relationships, and working context. This allows organisations to make internal expertise easier to access and share while maintaining privacy controls, and human oversight.

The platform connects with workplace tools such as Slack and Microsoft Teams. It also links individual digital twins through a governed network, helping employees find information coordinate work and access organisational knowledge.

Twin1 AI targets enterprises, particularly those in regulated sectors where data privacy and control are important.

How Much Funding Has Twin1 AI Raised?

Twin1 AI has raised $5 million in its latest Seed extension round, bringing its total funding to $25 million.

The company has not disclosed details of its earlier funding rounds in the announcement.

Who Invested in Twin1 AI’s Seed Extension?

The $5 million round was led by Curql.

Other participating investors included:

• Greyhair Ventures
• KittyHawk Frontier
• Apex Star Capital
• Bin Lin
• Fan Li
• Raj Bector
• Isaac Levy
• Cindy Levy

Why the Funding Matters

Twin1 AI will use the funding to expand it's deployments across credit unions, global law firms, and major financial institutions.

The company also plans to grow its San Mateo and London teams and strengthen its enterprise go to market organisation.

Part of the investment will support development of the Twin Network autonomous capabilities and governance controls designed for regulated businesses.

Who founded Twin1 AI?

Twin1 AI was founded in 2025 by Lewis Z. Liu, Tom Cahn, Huiting Liu, and Jonathan Budd.

The company operates from San Mateo, California, and London.

“Credit unions are built on trusted relationships, local knowledge and a deep commitment to their members,” said Dr. Lewis Z. Liu, co-founder and CEO of Twin1 AI. “Our work with credit unions such as Shoreline has shown how AI-powered digital twins can preserve that knowledge and make it available across an organization without compromising privacy or human agency.

Market and Business Growth

Twin1 AI is working with credit unions and other enterprise customers. One of its clients is Shoreline Credit Union, where digital twins help employees access organisational knowledge while following the privacy, and governance requirements of a regulated financial institution.

The company is also expanding its work across global law firms and financial institutions. It's platform is designed to connect knowledge spread across workplace systems, and make it available to authorised users.

What Happens Next?

Twin1 AI plans to expand its enterprise deployments, grow its teams in San Mateo and London and strengthen its sales and go to market operations.

The company will also continue developing the Twin Network, autonomous features and governance controls to support wider adoption among regulated enterprises.

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