Know what’s really happening at
Spellbook before you sign on.
- On the roadmap
- Legal AI
- Contract Intelligence
- SaaS
Spellbook is an AI contract drafting and review copilot built natively inside Microsoft Word, serving roughly 4,000 law firms and in-house legal teams across 80+ countries. With a product-led growth motion rare in legal AI and a rapidly scaling revenue base, Spellbook occupies a distinctive point-solution position in a market dominated by broad-platform competitors.
How we do it.
Most "AI market intel" is a summarized crawl of press releases. This Altis research is built from our knowledge graph of sector expert calls, synthesized with public sources.
- Direct Spellbook customer and evaluator calls
- 35 expert calls
Spellbook
- Customer base
- ~4,000 law firms + in-house teams
- Series B (Oct 2025, Khosla Ventures)
- $50M
- Valuation at Series B
- $350M post-money
- Contracts reviewed on platform
- 10M+
- Countries served
- 80+
- Revenue growth
- Tripled revenue in 2025
- RBCx debt facility for M&A (Mar 2026)
- $40M
Press reported
Altis Verified
What's in the report
Most "AI market intel" is a summarized crawl of press releases. This is what customers, competitors, and former employees actually told us.
Market Overview
Market structure, where the company sits, and growth drivers.
- market map
- Legal AI landscape
- Legal AI growth rate
- CAGR
Total Addressable Market
Bottom-up TAM / SAM / SOM.
- Spellbook TAM
- Legal AI market size
- market opportunity
Company Overview
What the company does and how it operates.
- what does Spellbook do
- Spellbook product
- business model
Product / Go-to-Market
Product, GTM motion, ICP, and who buys.
- Spellbook customers
- who uses Spellbook
- Spellbook ICP
- go-to-market
Competitive Dynamics
The Altis Market Map and the Altis Win-Rate Index.
- Spellbook competitors
- Spellbook alternatives
- who competes with Spellbook
- Spellbook win rate
Customer Signals
Retention, satisfaction, and win/loss signals.
- Spellbook reviews
- Spellbook NRR
- Spellbook churn
- current customers
- switching costs
Investment Debates
Investment thesis, moat, bull/bear, and key risks.
- Spellbook investment thesis
- Spellbook moat
- bull case bear case
- Spellbook risk factors
Monetization & Financials
Business model, revenue model, and unit economics.
- Spellbook ARR
- Spellbook revenue
- Spellbook valuation
- unit economics
Team and culture
Founders, leadership, and org.
- Spellbook founders
- Spellbook CEO background
- leadership team
- headcount
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Ready to see the full picture?
Based on 35 direct expert calls with Spellbook customers and evaluators, plus broader legal AI sector interviews and survey data.