Union Bay Partners is a private investment group seeking growth opportunities
with small to mid-sized companies in the Pacific Northwest
and early-stage technology ventures.
Founded in 2012 and headquartered in Seattle, Union Bay Partners brings
deep operational expertise and long-term conviction to every investment.
We partner closely with management teams in the Pacific Northwest and in
early-stage technology companies — providing strategic guidance, network
access, and hands-on support to build category-leading businesses.
Three experienced investors with deep roots in the Pacific Northwest technology and growth ecosystem.
SC
Steve Carver
General Partner
Steve brings extensive experience investing in and building technology companies
across the Pacific Northwest. He works closely with founders to scale operations,
build teams, and navigate growth-stage challenges.
MB
Marc Brown
General Partner
Marc has spent his career investing in early-stage SaaS and technology ventures.
He brings a founder-first perspective and deep expertise in product-led growth
and enterprise software markets.
BS
Brian Schultz
General Partner
Brian brings operational and investment expertise across technology and
growth-stage companies. He focuses on helping portfolio companies build
durable businesses with strong unit economics and lasting competitive advantage.
Our Investments
Portfolio Highlights
Selected active investments across growth companies and early-stage technology.
Comet
AI/ML · SaaS
Comet
MLOps platform for experiment tracking and model monitoring. Helps data science teams build, train, and optimize ML models faster.
Updater
Marketplace · SaaS
Updater
Moving services platform that simplifies every step of the moving process — utilities, address changes, moving help, and more — for millions of movers annually.
Flexe
Logistics · SaaS
Flexe
On-demand warehousing and fulfillment network connecting businesses with flexible logistics capacity across North America.
Gradient
Climate · Series AA
Gradient Comfort
Window-mounted heat-pump air conditioners providing ultra-efficient heating and cooling for existing buildings without ductwork.
Groundlight
AI · Vision
Groundlight
Computer vision AI deployable without ML expertise. Enables any developer to build visual intelligence applications using natural language.
Jozu
AI/ML · Seed
Jozu
Secure packaging and registry for AI/ML models. Enables teams to version, share, and deploy machine learning models reliably at scale.
Poly.AI
AI · Series A
Poly.AI
Conversational AI platform enabling enterprises to deploy voice assistants that handle customer calls with natural, human-like interactions.
Possible
Fintech · Series A
Possible Finance
Mobile fintech offering small-dollar installment loans to help consumers build credit. An accessible, affordable alternative to predatory lending.
Recurrent
Climate · SaaS
Recurrent
Battery-health reports for used electric vehicles. Bringing transparency and trust to the growing EV resale market.
Recurve
Climate · Energy
Recurve
Grid-flexibility and demand-management software for utilities. Helps energy providers optimize load and integrate distributed resources.
Routable
Fintech · B2B Payments
Routable
B2B payments and accounts-payable automation platform. Simplifies mass payouts for businesses managing high-volume contractor or vendor payments.
Guardian
Consumer · Health
Guardian Technologies
Leading manufacturer of air purifiers, humidifiers, and HEPA filtration products under the GermGuardian and PureGuardian brands.
Adapter
SaaS · Data
Adapter Group
Cognition API and data integration platform enabling developers to build intelligent applications with seamless access to structured and unstructured data.
AZX
Public Benefit · Seed
AZX
Public benefit company building tools and infrastructure for mission-driven organizations and social enterprises.
SparkToro
SaaS · Market Intelligence
SparkToro
Audience research and market intelligence platform that reveals where any audience spends time online — websites, podcasts, social accounts, and more.
Showing active portfolio investments. Past exits not shown. Contact us for more information.
