Vellum, a New York-based enterprise development platform for building, evaluating, and deploying mission-critical AI products, has raised $20 million in Series A funding.
Investors
The round was led by Leaders Fund, with participation from Y Combinator, Socii Capital, Rebel Fund, Pioneer Fund, and Eastlink Capital.
Leaders Fund is a Toronto-based early-stage venture capital firm founded in 2016. It focuses on partnering with B2B software and enterprise SaaS startups, primarily in the cloud, AI, and security sectors.
Vellum Use of Funds
The company will use the capital to accelerate the deployment of AI use cases, reduce time to production, expand into new verticals and geographies, and solidify its role as the core infrastructure for enterprise AI.
About Vellum
Founded in early 2023 by Akash Sharma, Sidd Seethepalli, and Noa Flaherty, Vellum is an enterprise-grade AI development platform designed to help teams design, test, deploy, and monitor mission-critical AI systems. It provides a unified environment where engineers and non-technical users can collaborate using visual workflows, SDKs, version control, and test-driven development principles. Vellum serves over 150 companies across various industries, ranging from bleeding-edge startups to household names such as Swisscom, Redfin, Drata, and Headspace.
Funding Details
Company: Vellum
Raised: $20.0M
Round: Series A
Funding Date: July 2025
Lead Investor: Leaders Fund
Additional Investors: Y Combinator, Socii Capital, Rebel Fund, Pioneer Fund, Eastlink Capital
Company Website: https://vellum.ai/
Software Category: AI Development Platform / MLOps / AI Infrastructure
Source: https://www.vellum.ai/blog/announcing-our-20m-series-a