About
LegalOn builds AI-powered software for contract review, drafting, legal research, matter management, and corporate governance. It sells primarily to in-house legal teams, from Fortune 500 companies to solo legal professionals, differentiating through the combination of legal expertise, customer-specific workflows, and agentic AI designed for everyday legal work.
Market
LegalOn competes in legal AI and legal operations software, initially focusing on AI contract review and expanding into broader in-house workflows across contracting, counseling, and governance. It positions itself as a lawyer-built productivity platform that combines advanced AI agents with trusted legal content, attorney-built playbooks, customer-specific knowledge, and human oversight. Its main differentiation is the integration of contract review, matter management, contract intelligence, and corporate governance into a unified system of record rather than a single point solution.
LegalOn primarily targets in-house legal departments and legal operations teams at organizations ranging from startups and mid-market companies to Fortune 500 enterprises, especially teams handling recurring contracting, counseling, and governance work. It also serves lawyers and law firms that want AI-assisted contract review and drafting.
At a Glance
Problem
Corporate legal teams are burdened by manual contract work that consumes long hours, introduces errors and risk, delays deals, and slows business operations. LegalOn was founded by corporate lawyers who experienced these inefficiencies firsthand. Its core use case is contract review: identifying risks and negotiating issues quickly enough to keep business moving, while reducing the cost and delay associated with lawyer-by-lawyer manual review.
The economic pain is measurable: LegalOn says its technology can reduce contract-review time by up to 85%. That turns a high-volume, repetitive legal bottleneck into a faster workflow, freeing legal professionals to focus on judgment-intensive work rather than searching for risks and drafting routine changes.
Product / Service
LegalOn provides an AI platform for in-house legal and contracting teams. Its products combine artificial intelligence with attorney expertise and trusted legal content to review contracts, flag risks, recommend precise redlines, support editing, and organize contract data. The system is designed to augment—not replace—the legal team by bringing the organization’s legal knowledge and human oversight into the contracting workflow.
The product has expanded beyond its original contract-review tool into a broader legal-AI suite covering contract management, matter management, compliance, and other legal tasks. The benefit is a more consistent and efficient process: teams can identify issues, produce proposed revisions, and complete contracting work faster while improving confidence and reducing operational risk.
Market
LegalOn competes in legal technology, particularly AI-powered contract review, contract lifecycle management, and broader legal operations software. Its positioning is as legal AI for businesses and in-house legal teams, combining productivity software with legal services, workflow automation, and artificial intelligence. Reported competitors include ContractKen, LexCheck, Superlegal, and Clearlaw.
The company is well beyond the pre-revenue stage. In July 2025, LegalOn announced $50 million in Series E funding, $200 million in total funding, and more than 7,000 customers, while reporting that its U.S. and U.K. business had quadrupled year over year. It also reported serving 25% of Japan’s public companies and 87% of its Fortune 500 companies. In October 2025, it announced more than ¥10 billion in annual recurring revenue, approximately $67 million, demonstrating substantial commercial traction in Japan and growing international markets.
Founders & Leadership
Funding History
Kyoto University Innovation Capital, SMBC Venture Capital
JAFCO
JFC, MUFG Bank
World Innovation Lab, JAFCO, Mitsubishi UFJ Capital, Mizuho Capital, SMBC Venture Capital, DIMENSION
SoftBank Vision Fund 2, Sequoia China, Goldman Sachs Asset Management, World Innovation Lab, Mitsubishi UFJ Capital, HSG, Mizuho Capital
Goldman Sachs Growth Equity, World Innovation Lab, Mori Hamada, Mizuho Bank, Shoko Chukin
Recent News
LegalOn launched Prompt Workflows, a library of more than 100 attorney-built AI workflows embedded in its platform. The workflows cover major legal tasks and can be customized, supported with files, saved, and shared by legal teams.
LegalOn announced that it was named “Best Overall in Contract Review” in the 2026 Summer LegalTech Awards and received seven badges across the program.
LegalOn was recognized as “Best Overall in Contract Review” in the 2026 Theorem Spring LegalTech Awards. The announcement highlighted the platform’s expansion across the broader in-house legal workflow.
LegalOn launched Vault, a contract-intelligence product that extracts data from incoming and historical contracts to track renewals, obligations, and key terms. Vault integrates with LegalOn’s existing contract-review and matter-management products.
LegalOn launched a family of five AI agents designed to handle a broad range of in-house legal needs, including playbook creation and contract-related work.
LegalOn announced that it was named “Best Overall in Contract Review” in the 2025 Theorem Best LegalTech Software Awards.
LegalOn was named “Contract Management Innovation of the Year” in the sixth annual LegalTech Breakthrough Awards. The announcement highlighted its integrated workflow combining Matter Management, contract review, and attorney-built playbooks.
LegalOn announced a new brand identity centered on “On,” positioning it as a symbol of legal intelligence in action. The company said the rebrand reflected its evolution into a global legal productivity platform and referenced its work with OpenAI on agentic AI.
LegalOn announced its acquisition of Fides Technology, extending its platform into entity and board management. Fides would remain available as a standalone product while becoming integrated into LegalOn’s broader system of record for contracts, matters, entities, and boards.
LegalOn announced that it had surpassed ¥10 billion in annual recurring revenue, approximately $67 million, becoming the fastest AI company founded in Japan to reach the milestone. The company attributed the growth to expansion beyond contract review into matter management, contract management, compliance, and other legal tasks.
Active Roles
4Business Model
LegalOn sells subscription-based legal software priced per seat and quoted according to team size and use case. It offers three product tiers—Core Review, Contracting Suite, and Productivity Suite—with unlimited contract reviews per seat; some customers can begin with a 14-day free trial.
Products
Customers
Tech Stack
Similar Companies
Competitors
Key Investors
Goldman Sachs, SoftBank