Company overview

Use Vellum to build and ship reliable AI solutions. Define, evaluate and monitor AI solutions through test-driven development for AI.
Founded in 2023
New York, New York, USA
38 employees (5 in marketing)

Salaries

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People

Headcount trend

Company growth over the last 12 months

Headcount +50% year over year

Funding

Total funding

$25.5M

Last raise

$20M

Series A, 8 months ago

Funding history

Jul 2025

Series A Vellum · $20M

Jul 2023

Seed Round Vellum · $5M

Apr 2023

Pre Seed Round Vellum · $500K

Audience

Monthly website visitors
532.9K
Month over month+34.7%
Quarter over quarter-2.6%
Top sourceSearch (52.4%)
Ad budget per month$0.0
Average search rank48.5
Traffic source mix
Search
52.4%
Direct
37.3%
Referral
7.3%
Social
2.2%
Paid referral
0.7%

LinkedIn followers

Follower count and growth

Total followers

6.3K

12-mo growth

+54.6%

Monthly growth

+3.7%

News

Links