The Legal Tech Map › Contract management and contract AI software

LegalOn Technologies

AI contract review and legal workflow platform for in-house teams, started in Japan and now also run from San Francisco

LegalOn sells AI contract review and redlining in Word with ready-made playbooks, plus matter management, a contract vault, translation, entity and board management and intake agents for corporate legal teams. Founded in Japan by two corporate lawyers, it reports 9,000+ customers (including Sega, Panasonic and Toshiba) and more than $200M in funding.

Market

Contracts & Transactions, In-house legal teams

Based in

Tokyo, Japan

Total raised

$200M+

Founders

Nozomu Tsunoda (co-founder, Group CEO)

Website

legalontech.com

Funding and deals

• 2025-07: Series E, $50 million, led by Goldman Sachs Growth Equity

Investors

• Goldman Sachs Growth Equity
• Mizuho Bank
• Mori Hamada
• Shoko Chukin
• World Innovation Lab

Similar companies

• Chamelio: AI platform for corporate legal teams that learns from past negotiations to review and redline contracts (United States)
• Lexion: AI contract management and workflow tool for corporate legal departments, spun out of AI2 (Allen Institute) (United States)
• LinkSquares: Contract management and AI contract analytics software used by corporate legal departments (Boston, United States)
• Luminance: AI for contract negotiation, review and management, built on its own legal language model, for in-house and law firms (London, United Kingdom)
• SpotDraft: AI contract lifecycle management for corporate legal departments, started by an ex-White & Case lawyer (New York, United States)
• Summize: CLM for corporate legal departments that works inside Teams, Slack, Word and email (Manchester, United Kingdom)

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