LegalOn: The AI platform for in-house legal teams, built around AI contract review

LegalOn reviews contracts in seconds, redlines in a click, and puts AI to work from intake through the life of every agreement.  Attorney-built playbooks, legal AI agents, matter management, and an AI Assistant all run on the same engine, so your team can dive in on day one with everything it needs, all in one place. Ranked #1 in the 2026 Contract Review Benchmark.
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We provide peace of mind at the speed of business—helping legal teams control contractual risks in the face of an increasingly complex and fast-paced world.
Our Values
We delight customers.
We create wow moments that last for our customers.
We think big. We aim high.
We set big goals and grow to meet them.
We embrace the future with courage.
We know building the future is hard and that challenge motivates us.
We have a bias for action.
We act with urgency to seize opportunities and execute quickly.
We take ownership.
We own our actions and find solutions.
We build trust.
We walk the talk, value feedback, and act honorably.

Why legal AI?

LegalOn handles contracts with the legal precision and attorney oversight that in-house work demands.
In-house legal teams spend an average of 3.2 hours reviewing a single contract. For a team handling 500 contracts a year, that’s nearly 200 working days spent on review alone!

The answer isn’t more headcount. It’s legal AI built by attorneys, grounded in legal standards, and designed around how in-house counsel actually works.
LegalOn CEOs: Nozomu Tsunoda and Daniel Lewis
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Why choose LegalOn?

LegalOn uses agentic AI grounded in attorney-built content to review contracts, answer legal questions, and manage work in real time.

Attorney-built intelligence

10,000+ pre-built legal issues across 135+ contract types, developed and maintained by contract attorneys. Every flag, every redline, every playbook position is grounded in legal expertise.

Day 1 productivity

No implementation fees. No months-long configuration. 135+ playbooks and 100+ attorney-built prompt workflows are ready the moment you sign in. 98% of LegalOn customers see immediate time savings. 

One connected platform

Contract review, AI legal assistance, matter management, contract repository, and institutional knowledge, all in one place. No stitching together multiple point solutions. No data scattered across tools.

Your existing workflow

LegalOn lives in your browser or directly in Microsoft Word. Redlines appear as tracked changes, and AI assistance is always one click away.

AI contract review, plus everything else your legal team needs

LegalOn covers the full scope of everyday legal work, from the moment a contract comes in, to the intelligence you can extract after it’s signed, to the entity and governance data your team manages beyond any single deal.

AI Contract Review

Review in seconds, redline with a click. 

The core reason teams switch to LegalOn: playbook-enforced redlines on first- and third-party paper, in minutes, not hours. Ranked #1 across in the 2026 Contract Review Benchmark.

AI Legal Assistant

One AI Assistant for your full legal workday.

Answer legal questions, review and summaries agreements, draft language, and uncover insights across your contracts, matters, and legal knowledge, whether you’re in LegalOn or Word.

Matter Management

Move legal work from intake to close.

Intake and triage the moment a request lands, plus real-time visibility into cycle times, workload, and deadlines, all in one place. 

Vault

The payoff after signature. 

Your executed contracts obligations, dates, counterparties, and risk terms become searchable business intelligence at scale, without rigid setup or manual tagging. Or, scope to a single project and get a structured table back for analysis in moments.

Institutional Knowledge

Your precedent, working for you.

The institutional memory most legal teams lose when someone leaves. Standards, templates, and past positions, centralized and searchable, so every past deal makes the next one stronger and faster. 

Contract Playbooks

Expert standards, custom fit. 

135+ playbooks and 100+ attorney-built prompt workflows, maintained as law and market standards shift. Add your own positions in plain English, or let the Playbook Agent convert your existing templates and redlines into playbooks in minutes.

How LegalOn compares

Not all legal AI is created equal. Here’s how LegalOn stacks up against the alternatives in-house teams most often evaluate.
Capability LegalOn General AI CLM Platforms
Built for in-house legal Yes — purpose-built No — general purpose Partial — contract lifecycle
Attorney-built playbooks 135+ included, Day 1 No No
Provision-level accuracy Ranked #1 in benchmark Fails on specifics Varies by vendor
Works in Microsoft Word Yes, natively Limited Varies
Matter management Yes No Partial
Contract repository (Vault) Yes No Yes
Implementation fees None None Often significant
Day 1 productivity Yes Yes Rarely
Multi-language contracts Dozens of languages Yes Varies
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Frequently Asked Questions about Choosing LegalOn

Why should I choose LegalOn over a general AI tool?

Why choose LegalOn over a CLM platform?

How quickly will my team see results?

Does LegalOn work for small legal teams?

Is LegalOn secure enough for confidential legal work?

Does LegalOn replace attorneys?

How does LegalOn stay current with changes in the law?

See LegalOn on your contracts.

Book a 30-minute demo and see exactly what LegalOn does with your specific contract types and use case.
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