Union Labs Ventures is a DeepTech seed-stage venture capital firm based in San Mateo, California, co-founded by Nate Williams and Chris Kim in 2018. The firm focuses on investing in exceptional founders from diverse backgrounds who are applying deep technologies to solve complex problems in the physical world. Their core areas of interest include Industrial IoT, Consumer IoT, Health, Climate Tech, InsurTech, Cyber Security, AI/Machine Learning, Autonomous Technology, and Manufacturing.

Union Labs Ventures takes an active, aligned, and proactive approach to partnering with founders, aiming to accelerate their journey to product/market fit. They target initial investments ranging from $500K to $2.5M at the seed or pre-seed stage, primarily in North America. The firm emphasizes a collaborative model, co-creating alongside portfolio founders and entrepreneurs-in-residence, and is prepared to be the "first check in" for early-stage companies.

The firm's investment philosophy is rooted in applied deep technology for a smarter world. They incubated UNION at Kleiner Perkins with support from Google Ventures to ensure their investments are smart, disruptive, and have the potential to scale.

As of April 2025, Union Labs Ventures has made 29 investments, with 19 portfolio companies and 4 successful exits.

Notable investments include SirenOpt, Ruby Robotics, and Voxle.