
Union.ai
Ship fast. Scale big. Orchestrate the future.
Seattle, United States · Founded 2021 · $48.1M raised
- Headquarters
- Seattle, Washington
- Employees
- 11–50
- Founded
- 2021
- Business Model
- B2B
- Website
- union.ai
- Total Funding
- $48.1M
- Last Round
- $19.0M Extension RoundFeb 2026
- Rounds
- 3
About
Union.ai is the company behind Flyte, the open-source standard for ML and data pipeline orchestration, and provides an enterprise-grade AI runtime platform that enables teams to build, ship, and scale AI applications in production. The platform unifies data, models, and compute, supporting extremely scalable AI, ML, and agentic workflows while keeping data within the customer's own security perimeter. Founded in 2021 by the engineers who built Flyte internally at Lyft, Union.ai serves over 30 Fortune 100 companies and has more than 10,000 community members and 1 million monthly downloads. The company is headquartered in Seattle, Washington, and has raised over $48 million from investors including NEA.
Summary
Union.ai is an Artificial Intelligence company based in Seattle, United States, founded in 2021. It has raised $48.1M in total across 3 rounds, most recently a $19.0M Extension Round round in Feb 2026. Investors include New Enterprise Associates, Marathon Venture Partners and Nava Ventures.
Tech & App Stack
5 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Sign up to view the funding chart
Create a free account with 25 free credits every month, no card needed, to unlock funding history, valuations, and tech stacks.
Feb 2026
Sign up to see all 3 rounds
Seed through Extension Round — per-round amounts, valuations, and who invested in each round.
Investors
Similar Companies
AI startup building artificial general engineer for physical-world robotics and automation.
Cursor is the best way to code with AI, and built to make you extraordinarily productive.

Mistral is on a mission to push AI forward, to serve the open community and their enterprise cust...
Provides AI inference hardware and cloud platform for enterprises, using RDUs and SambaCloud to r...

UiPath is an AI-enhanced end-to-end automation platform.
ML inference infrastructure for deploying and serving AI models at scale, performantly and cost-e...
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/union-ai"><img src="https://indexed.vc/api/badge/company/union-ai" alt="Union.ai on Indexed.vc" width="260" height="76" /></a>

.jpg)