Union Labs

Written by TEAM CHASM

Published
Category
The Boardroom
Subcategory
The VC Vault
Featured article: Union Labs

Union Labs is a focused deep‑tech seed fund founded in 2018, based in San Mateo/SF. They specialize in being the “first check in” for startups applying AI, robotics, IoT, and smart‑infrastructure solutions. With a ~50M fund and check sizes in the half‑million to low‑single‑digit million range, they co-create deeply with founders. Although still emerging, their portfolio includes startups like SirenOpt, Raise Robotics, and Voxle.

Fund Size:

Estimated ~$50M fund size (seed-only deep-tech fund)


Average Check:

~$0.5M – $2.5M per startup, first‑check seed investor


Location:

San Mateo / San Francisco, CA


Stage Focus:

Pre‑seed and Seed in deep tech (AI/ML, robotics, IoT, smart infrastructure)


Household Brands:

(Emerging portfolio) e.g., SirenOpt, Voxle, Raise Robotics


Contact:

Nate Williams (Co-Founder and Managing Partner) nate@unionlabs.com

Chris Kim (Co-Founder and Managing Partner) chris@unionlabs.com

Annie Le (Vice President Operations) annie@unionlabs.com

Resources

WEBSITE

Here's their Linkedin:

Nate Williams (Co-Founder and Managing Partner)

Chris Kim (Co-Founder and Managing Partner)

Annie Le (Vice President Operations)

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