About Vector Legal
Vector Legal is an AI-native law firm that combines experienced lawyers with custom-built AI software for startup legal work. It is part of YC's Winter 2026 batch. In July 2026 it raised a $5.19M seed round led by Base 10 Partners.
What is Vector Legal?
What is Vector Legal?
Vector Legal pairs a traditional law firm model with proprietary automation software to lower legal costs for startups. The company says its lawyers and paralegals average more than 10 years of Big Law experience, and custom AI lets it deliver startup legal work at a fraction of Big Law rates.
Services listed on its YC profile include fundraising and priced rounds, customer contracts, international flips, complex formations, hiring, agentic data rooms, e-signatures, cap table management, legal health checks, mergers and acquisitions, co-founder separations, and dissolutions. According to The SaaS News, founders use Vector's software to handle routine tasks such as company formation, trademark filing, and document management, and get access to senior counsel for high-stakes matters.
Vector Legal was founded by Mitch Duncombe and Keenan Venuti and is based in San Francisco. It is part of Y Combinator's Winter 2026 batch. In July 2026 it announced a $5.19M seed round led by Base 10 Partners with participation from Y Combinator and angel investor Chris Smoak. The company said it would use the capital to develop its platform, scale operations, and grow its attorney team to support startups from formation through financings and acquisitions.
Pros
- Combines licensed lawyers with software for routine legal tasks
- Covers the startup lifecycle from formation to M&A
- Built-in tools such as cap table management, e-signatures, and data rooms
- Positions pricing below traditional Big Law rates
Cons
- Primarily serves startups rather than individuals or large enterprises
- Specific pricing is not published on the website
- Complex matters still depend on attorney availability and scope
How to Use Vector Legal
- 1Get in touch
Contact Vector Legal through its website to scope your company's needs.
- 2Onboard your company
Set up your entity, cap table, and documents in Vector's platform.
- 3Handle routine work in software
Use the platform for formation, trademarks, e-signatures, and document management.
- 4Escalate complex matters
Work with Vector's attorneys on financings, contracts, and acquisitions.

