Bill for judgment. Not for grunt work.
The #1 AI Contract Review solution, built to help firms turn work around faster and increase lawyer leverage.
Turn work around faster
Get through first-pass review and initial drafts in seconds, so you respond to clients in hours instead of days.
Protect your realization
Stop writing off the hours associates burn on repetitive markup and clause hunting. Spend billable time on the work clients are glad to pay for.
Give every lawyer leverage
Junior or senior, every lawyer drafts and reviews with an experienced second set of eyes — grounded in your firm's own precedents and house standards.
“The Spellbook team really understood our concerns about a potential knowledge gap caused by technology, and our excitement about how to solve for that leveraging technology.”
Catherine Goodman
Chief Knowledge Officer, Kennedys
From first draft to final signature, Spellbook covers your entire contract workflow
Start from your firm's best work, not a blank page
First-pass redlines in seconds, before an associate spends an afternoon
Your firm's standards on every matter, no matter who's drafting
Diligence without the all-nighter
Book a DemoReview and draft in Microsoft Word, then pull from the document repositories your team already relies on.
Spellbook combines leading language models with deep legal context and contract-focused training.
What to expect in your first days with Spellbook.
You’ll meet with our team, get a step-by-step guide for your use case , and get set up for your free trial.
Explore the full product from day one. Your trial is built to show real value, fast.
Less repetitive review. Less manual redlining. More time for the work that actually needs your judgment.
Book a Demo
How the world's legal teams are handling contract volume in 2026
1. How legal teams compare on contract review time across industries
2. Where outside counsel spend is highest and how AI is changing the calculus
3. Why playbook adoption is the #1 driver of legal team efficiency in 2026
Trusted by 4,500+ legal teams in over 80 countries.
Todd Strang
Partner, KMSC Law LLP
Rather than spending 30 to 40 minutes on a letter, I can draft it using Spellbook in 10 to 12 minutes.
Jason Wiener
Founding Partner, Jason Wiener, P.C.
There's no reason to be missing the small stuff anymore. Spellbook does the first pass, I do the second.
Kyle Westaway
Founder & Managing Partner, Westaway
With Spellbook, I get to do the engaging, interesting work — and then go live my life.
The fastest first pass in the firm.
Spellbook is native to Microsoft Word, clears the first pass in seconds, and grounds every edit in precedent your lawyers can stand behind.
75%
Reduction in contract drafting and review time, depending on agreement complexity.
10x
Faster drafting and review, without leaving Word.
4,500+
Law firms and in-house teams trust Spellbook worldwide
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Frequently asked questions
Spellbook is built specifically for contract work. It works directly in Microsoft Word, understands legal drafting context, helps review and redline contracts, compares language to market, and lets your team save playbooks based on your standards. It is designed for legal workflows, not general-purpose prompting.
Yes. Spellbook is built with enterprise security in mind. It highlights SOC 2 Type II compliance, encryption in transit and at rest, and zero data retention agreements with OpenAI and Anthropic, meaning customer data sent to those providers is not persisted.
Getting started is straightforward. Spellbook works directly in Microsoft Word, so your team can stay in a familiar workflow instead of learning a whole new system. Trial users can get access quickly and start reviewing and drafting right away.
Spellbook offers custom pricing based on the number of team members on your license. That makes it flexible for teams of different sizes, from smaller legal departments to larger global teams.
Yes. Spellbook lets you create custom playbooks so your team can save and reuse specific review instructions, preferred language, and internal standards across contracts.
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