株式会社LegalOn Technologies

What 株式会社LegalOn Technologies does

LegalOn Technologies (株式会社LegalOn Technologies), founded April 2017 in Tokyo as LegalForce and rebranded to its current name in September 2022, develops and sells a portfolio of 'Professional AI' SaaS platforms targeting corporate legal, governance, sales, HR, and compliance workflows. Its core product is LegalOn, a domain-specific AI agent that performs contract review, legal consultation, matter management, and legal research; surrounding products include GovernOn for corporate governance (board resolution drafting and group entity management), DocumentOn for advertising compliance review under Japan's Premiums and Representations Act (景表法), DealOn for sales AI, WorkOn for HR AI, TomoniAI for AI-assisted information gathering, plus media and e-learning assets (Keiyaku-Watch, Legal Learning). The On Technologies subsidiary, established October 2025, houses the non-legal Professional AI products and is also developing KUON, an AI-driven management platform.

The platform is built on large language models combined with proprietary NLP, RAG architecture, and a lawyer-reviewed knowledge base, supported by 30+ in-house qualified lawyers who curate training content and editorial libraries that include law firm newsletters (Mori Hamada Matsumoto, Azumi Sakai, One Asia Lawyers). Distribution combines direct enterprise field sales for large accounts, inside and partner sales for mid-market and SMB, and strategic channel integrations — notably Microsoft Copilot for Microsoft 365 and Microsoft Teams. International operations have expanded through a US subsidiary (LegalOn Technologies, Inc., San Francisco), a Gold Sponsorship of the APAC Legal Congress 2026 in Singapore, and the November 2025 acquisition of Germany's Fides Technology GmbH, which serves clients in 100+ countries and has been rebranded as GovernOn. Security posture is anchored by ISO 27001 and an April 2026 SOC2 Type 2 certification.

Revenue is generated primarily through annual SaaS subscriptions sold on a quote-based pricing model to enterprise and mid-market customers, supplemented by e-learning subscriptions for Legal Learning. The company crossed ARR of 10 billion yen (~$64-67M USD at ~150 JPY/USD) in October 2025 and reported 8,500+ global paid customers as of April 2026. LegalOn Technologies has raised approximately 20.15 billion yen across Seed through Series E rounds, the most recent being a 7.14 billion yen Series E in July 2025 with participation from Goldman Sachs Asset Management, HongShan Capital Group (formerly Sequoia Capital China), SoftBank Investment Advisers, JAFCO Group, MUFG Capital, Mizuho Capital, SMBC Venture Capital, DIMENSION, Kyoto University Innovation Capital, World Innovation Lab, and Mori Hamada Matsumoto.

Name

株式会社LegalOn Technologies

Legal name

株式会社LegalOn Technologies

Website

https://legalontech.jp

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

101–250 employees

Short description

LegalOn Technologies develops Professional AI SaaS platforms for corporate legal, governance, sales, HR, and compliance workflows, anchored by LegalOn — a domain-specific AI agent for contract review and legal operations — serving 8,500+ global paid customers across enterprise and mid-market segments.

Ownership category

akta.pro rank

Product category

Legal AI Software (LegalTech)

NAICS

Software Publishers (5132), Software Publishers (513210)

SIC

Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Legal Practice Management & Case Management (BPAEAPAC)

akta.pro secondary industries

eDiscovery, Litigation Support & Legal Hold (BPAEAPAE), Legal & Governance Professional Development (EDAGANAK), Legal & Regulatory Publishing (Case Law, Statutes, Treatises) (MPAJACAA)

Keywords

• Legal AI software
• Contract review platform
• Corporate governance AI
• Legal tech solutions
• AI contract analysis

Headquarters

HQ city

Shibuya, Tokyo

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure

Revenue model

1. SaaS Subscriptions (LegalOn, GovernOn, DocumentOn, DealOn, WorkOn): LegalOn Technologies generates revenue primarily through SaaS subscriptions to its Professional AI platforms. The company crossed ARR 100 billion yen in October 2025, indicating significant recurring revenue from its multi-product portfolio spanning legal, governance, sales, HR, and advertising compliance.
2. Online Learning / E-Learning (Legal Learning): Legal Learning provides e-learning content for legal and compliance education, sold as a subscription or license to corporate training programs.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

LegalOn Technologies provides Professional AI SaaS platforms that use law-domain-specific AI agents to automate legal, governance, sales, HR, and advertising compliance workflows. Its flagship product LegalOn delivers contract review, legal consultation, matter management, and legal research; GovernOn automates corporate governance; and the broader portfolio (DealOn, WorkOn, DocumentOn, TomoniAI, Legal Learning) extends AI agents into adjacent professional workflows. Revenue is generated primarily through annual SaaS subscriptions sold via direct enterprise and inside sales, with global cloud delivery and Microsoft ecosystem integrations.

Product overview

LegalOn Technologies operates a multi-product Professional AI platform portfolio spanning legal (LegalOn), governance (GovernOn), sales (DealOn), and HR (WorkOn) domains, delivered through its group companies including On Technologies. The core platform is LegalOn — a domain-specific AI agent-powered solution covering legal consultation, contract review, matter management, and legal research — supplemented by DocumentOn for advertising compliance, Legal Learning for legal e-learning, and CorporateOn for AI counsel. Legacy products LegalForce and LegalForce Cabinet continue alongside the unified LegalOn brand. The company also offers media/community platforms (契約ウォッチ, 契約ウォッチConnect) and AI assistant app TomoniAI.

Differentiator

Problem solved

Functional benefit

Brands

• LegalOn: Professional AI for Legal platform; AI legal agent supporting legal operations including contract review, legal consultation, matter management, and legal research.
• GovernOn
• DealOn
• WorkOn
• DocumentOn
• TomoniAI
• Legal Learning
• 契約ウォッチ (Keiyaku-Watch)

Products and services

• LegalOn Professional AI for Legal — a domain-specific AI agent-powered platform covering legal consultation, matter management, legal research, contract review, and contract management for corporate legal departments and in-house counsel.
• GovernOn Professional AI for Governance — a corporate governance platform that centralizes and automates governance operations and group company management, including AI-agent-assisted drafting of board and shareholder meeting documents.
• DealOn Professional AI for Sales — an AI agent supporting sales execution and workflow automation for sales teams, including call summarization and CRM data entry automation; provided by subsidiary On Technologies.
• WorkOn

Quantifiable outcome

• AI Agent utilization reached 40.2% among surveyed legal professionals (32.4% currently using, 7.8% past use) as of March 2026 survey of 500 legal professionals
• +2 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability14 records

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Microsoft (Microsoft Teams)coreTechnology or Integration · 7 April 2026LegalOn integrated with Microsoft Teams, enabling requesters and legal staff to communicate and collaborate on legal tasks directly within Teams, improving efficiency of legal department workflows.
• On Technologies株式会社coreStrategic or Co-development Partner · 1 April 2026A group company established October 2025, On Technologies develops 'Professional AI' products including DealOn (sales AI), WorkOn (HR AI), TomoniAI (AI assistant app), and the AI-driven management platform 'KUON'. All Professional AI products outside the legal/governance domain fall under On Technologies.
• Fides Technology GmbHcoreStrategic or Co-development Partner · 1 November 2025Fides Technology, a global corporate governance AI company serving 100+ countries, was acquired and joined the LegalOn Technologies group in November 2025. Its governance solutions were rebranded as 'GovernOn' for the Japanese market, combining Fides' global expertise with LegalOn Technologies' AI platform for Japanese enterprises.
• Microsoft (Microsoft Copilot for Microsoft 365)coreTechnology or Integration · 25 June 2024LegalOn Technologies partnered with Microsoft to provide plugin integration with Microsoft Copilot for Microsoft 365, enabling contract review, template search, and review results within Microsoft Teams. This extends LegalOn's reach to Microsoft's enterprise customer base.
• 渥美坂井律师事务所・外国法共同事業 (Azumi Sakai Law Firm)minorStrategic or Co-development PartnerFirst independent foreign law joint venture in Japan provides international legal newsletters featured on LegalOn Cloud and CorporateOn platforms, expanding LegalOn's legal knowledge content.
• 弁護士法人 瓜生・糸賀律师事务所 (Uru-Inisho Law Office)minorStrategic or Co-development PartnerLaw firm providing newsletters with international legal insights from accounting, tax, and legal perspectives for Asia and other regions, featured on LegalOn Cloud and CorporateOn.
• One Asia LawyersminorStrategic or Co-development PartnerAsia-focused law firm providing newsletters on new Asian regulations, featured on LegalOn Cloud and CorporateOn platforms.

Scale indicators7 records

Recent moves6 records

Expansion highlights8 records

Direct peers

• Luminance: Luminance is an AI platform for lawyers specializing in contract review, due diligence and compliance. Comparable to LegalOn's AI-powered contract and legal workflow automation.
• Ironclad: Ironclad is a contract lifecycle management (CLM) platform with AI-driven contract review. It overlaps with LegalOn's contract management, review and AI clause analysis functionality for enterprise legal teams.
• Evisort: Evisort (acquired by Workday) offers AI contract analysis and management. It competes with LegalOn in the AI-driven contract intelligence and review category.
• Onit: Onit provides enterprise legal management and contract lifecycle software. It overlaps with LegalOn's LegalOn Cloud/GovernOn-style practice management and AI contract capabilities.
• Spellbook: Spellbook provides AI-powered contract drafting and review software for legal teams. It directly competes with LegalOn's contract review and clause-generation capabilities.
• Harvey: Harvey builds domain-specific legal AI agents for law firms and corporate counsel, offering contract analysis, legal research and drafting assistance. It is the most direct global parallel to LegalOn's Professional AI for Legal positioning.

Regional players

• MNTSQ: MNTSQ is a Japan-based legal AI startup applying NLP to contract review and legal knowledge. It is a regional competitor focused on the same Japanese legal-AI customer base.

Broad incumbents

• Thomson Reuters (CoCounsel): Thomson Reuters owns legal research (Westlaw), practical law and CoCounsel generative AI legal assistant. As an incumbent it competes broadly with LegalOn across legal content, AI agents and enterprise legal workflows.
• LexisNexis: LexisNexis provides legal research, regulatory and AI-driven analytics platforms. It competes broadly with LegalOn's legal research and AI knowledge retrieval capabilities.
• Wolters Kluwer: Wolters Kluwer offers legal and compliance software (e.g., Legisway, TeamMate). Its legal operations and compliance suites overlap with LegalOn's practice management and advertising compliance features.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@legalontechnologies
• Facebookfacebook.com/legalontech
• LinkedInlinkedin.com/company/legalontech

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about 株式会社LegalOn Technologies