Index Law
Index Law is a YC Fall 2026 (F26) company. Based in San Francisco, CA, USA; Remote. Team of 5.
About Index Law
Summary
Index Law builds Mike-1, an AI legal agent that handles contract review, negotiation, corporate matters, and ongoing legal obligations directly for startups and growing businesses. It replaces the need for a standing in-house legal team by acting on instructions end to end, retaining a persistent memory of the business across every matter. When a task requires licensed professional judgment, Mike-1 routes it to vetted independent lawyers.
Business model
Pricing is not public, though the product is accessible via a free trial at usemike.com.
Go-to-market
Startups and growing businesses are the primary buyers; they can try Mike-1 directly through the product website, pointing to a self-serve entry motion.
From the Y Combinator listing
Your company's AI lawyer
Index Law is building Mike-1, a superhuman AI lawyer*! Mike is an AI legal agent that gives every business the capabilities of a world-class legal team. Unlike traditional legal AI tools that help lawyers work faster, Mike gets legal work done directly for your business. It understands your business, reviews and negotiates contracts, handles corporate matters, and brings in vetted human lawyers when specialist expertise is needed. Your documents, agreements, signatures, and legal history live in one workspace. Mike remembers your business and becomes more useful with every matter. We're starting with contracts and corporate work for startups and growing businesses. Early customers have turned around contracts in under an hour and received quotes up to 80% below traditional law firm alternatives. Our ambition is to make legal services work like software: instantly accessible, deeply personalized, and capable of handling increasingly complex work. Try Mike: https://usemike.com *Note: Mike-1 is an AI legal agent, not a licensed or practicing lawyer. Qualified human lawyers provide legal advice and representation where required.
Facts
- B2B / B2B
- San Francisco, CA, USA; Remote
- 5
- Active
- Early
Founders (1)
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