Twin1 AI
Category: AI Agents
Twin1 AI builds permission-controlled AI 'digital twins' of knowledge workers that answer questions, retrieve knowledge, and act on their behalf across enterprise tools like Slack and Teams. Twin1 AI was founded in 2025. The company is led by Dr. Lewis Z. Liu. Based in San Mateo, California, United States. Team size: 11-50. Total funding raised: $20M. Latest round: Seed. Key investors include Bessemer Venture Partners, Tribeca Venture Partners, Aramco Ventures, EJF Ventures, F-Prime, Lakestar, Notion Capital, Orrick (strategic).
- Founded
- 2025
- Headquarters
- San Mateo, California, United States
- Team size
- 11-50
- Total funding
- $20M
Value proposition
Instead of task-specific AI agents, Twin1 creates a fully-encrypted, sovereign AI extension of each employee that knows what they know, responds on their behalf within permission boundaries, and coordinates with other employees' Twins to unlock organizational knowledge trapped in inboxes, transcripts, and individual heads.
Products and solutions
Twin1 platform: individual AI Twins embedded in Slack/Teams/web app, Twin Network for inter-employee agent coordination, permission-controlled knowledge sharing / six-layer privacy-governance controls, enterprise MCP server, three deployment modes (Full SaaS, Single Tenant, Private Client Cloud)
Unique value
Enterprise-grade privacy-first digital twin: user data never used to train/fine-tune underlying LLMs without explicit consent; each user's Twin knowledge base is siloed; SOC 2 Type II and Google CASA Level 3 certified; automates an estimated 30-50% of knowledge worker communications while preserving human judgment and control.
Target customer
Enterprises with distributed, high-value professional knowledge — law firms, banks, and financial/professional services firms (e.g., Orrick, Customers Bank, Innovate Finance, Aegis Energy).
Industries served
Legal, Financial Services/Banking, Professional Services, Corporate/Enterprise
Technology advantage
Permission-aware knowledge orchestration layer (not a single-task agent) built by a repeat AI founding team (ex-Eigen Technologies) with deep enterprise RAG/ML experience (Apple Siri NLU, Moloco ad-targeting, JPMorgan RAG/multi-agent systems); strong enterprise security posture (SOC 2 Type II, single-tenant/on-prem options).
How they differentiate
Focuses on full-fidelity, permission-controlled 'digital twin' replication of a professional's judgment and communication style across an org-wide Twin Network, rather than single-purpose task automation agents or simple chatbot personas.
Main competitors
Delphi (AI persona/chatbot twins), Personal AI, Glean, Sierra, HeyGen
Key partnerships
Named enterprise customers: Linklaters, Orrick Herrington & Sutcliffe LLP, Dechert, Customers Bank, Aegis Energy, Innovate Finance, Orrick also strategic investor in seed round, Seed co-led by Bessemer Venture Partners, Tribeca Venture Partners, Aramco Ventures
Notable customers
Linklaters, Orrick, Herrington & Sutcliffe LLP, Dechert, Customers Bank, Aegis Energy, Innovate Finance
Major milestones
Founded 2025 by ex-Eigen Technologies team, emerged from stealth August 20, 2026 with $20M seed round co-led by Bessemer Venture Partners, Tribeca Venture Partners, and Aramco Ventures.
Growth metrics
Company claims Twin1 can automate 30-50% of knowledge worker communications per early product marketing (Pulse2); emerged from stealth Aug 20, 2026.
Market positioning
Premium enterprise AI trust/coordination layer for regulated, knowledge-dense industries (legal, banking, finance) emphasizing privacy, governance, and human control.
Geographic focus
United States (initial focus), with stated deployment availability in US, EU/UK, and Singapore.
Patents and IP
UK trademark TWIN-1 registered (UK00004349736) by Twin-1 AI Inc.; filed Mar 5, 2026, registered Jun 26, 2026. No public Twin1 product patents identified.
About Dr. Lewis Z. Liu
Founder & CEO of Eigen Technologies (acquired by Sirion Labs), an AI company that digitized financial/legal documents and processed $100T+ in contracts for major banks, first AI system approved by Federal Reserve/FDIC to process contracts without human intervention; started career at McKinsey & Company; PhD Physics (Oxford), MA Physics (Harvard), BA Fine Arts & Physics (Harvard).
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Official website: https://twin1.ai
