Vellum
Vellum AI is a technology company specializing in AI development tools. It offers a platform for building, evaluating, and deploying AI solutions, catering to businesses and organizations in various sectors, particularly technology and healthcare. The company focuses on providing reliable and efficient AI systems to enhance operational capabilities.
Headcount
Website visitors
Workforce
Headcount by location
- United States100%
Split by department
- Engineering & R&D43%
- Founder, Owner & Executive21%
- Consulting & Advisory11%
- Finance & Administration7.1%
- Other18%
Seniority distribution
- Less than 5 years73%
- 30 years and more15%
- 5 to 10 years7.7%
- 10 to 20 years3.8%
Funding
Raised to date
- 8 May 2026Undefined Funding$25.0MRebel Fund, Ying Chi Enterprises Co. Ltd
- 10 Jul 2025Series A$20.0MEastlink Capital, Leaders Fund, Pioneer Fund, Rebel Fund, Socii Capital, Y Combinator
3 earlier rounds, with their terms and sources.
Investors
Y CombinatorY Combinator is a startup accelerator that provides funding, mentorship, and resources to early-stage startups. It helps founders navigate the challenges of building a business by offering structured support, networking opportunities, and access to4,252United States
Pioneer FundPioneer Fund is a venture capital firm that focuses on supporting startups and entrepreneurs. The company provides funding and resources to help founders succeed in their ventures, as highlighted in their portfolio and stories of founder successes.361United States
Rebel FundRebel Fund is a venture capital fund that specializes in investing in top Y Combinator startups. It provides capital and support to early-stage technology companies, helping them to grow and succeed in competitive markets. The fund is managed by154United States
Ying Chi Enterprises Co. LtdYC.COMPANY is a manufacturing company specializing in OEM plastic products, cosmetics packaging, and food packaging. They provide a range of services including product design, assembly, and logistics support. Their customers are primarily businesses106Canada
Revenue
EBITDA
Revenue source: Modeled estimate
Recent news
People
How the team has changed month by month — joiners, leavers and where the hiring is going
Connections
Who at your firm already knows someone here, and how warm the path is
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