# Union Bay Partners

Source: https://capitalatlas.ai/funds/union-bay-partners

> Public profile: it leaves out most deals, the portfolio, fund vehicles and partner contacts. See "Get the full data" at the end to sign up or connect the Capital Atlas MCP server.

Union Bay Partners is a US-based private equity firm that invests in growth-stage companies, with a focus on business and consumer products and services. The firm primarily targets opportunities in the Pacific Northwest and invests across the US.

## Facts

- Type: Private Equity Firm
- Headquarters: Seattle, US
- Founded: 2011
- Website: http://www.unionbaypartners.com
- Stages: Seed, Series A, Series B, Early Stage
- Regions: North America
- Last seen investing: May 2025

## Recent investments (newest 5 of 10)

- May 2025: Jozu (Seed, $4M)
- Oct 2020: Possible Financial Inc. (Series B, $11M)
- Jun 2019: Routable, Inc. (Seed)
- May 2019: Deduce, Inc. (Seed)
- Apr 2019: Possible Financial Inc. (Series A, $10.5M)

## Questions

### What stages does Union Bay Partners invest in?

Union Bay Partners has invested at Seed, Series A, Series B and Early Stage. Its most frequent rounds on record are Seed, Series A and Series B.

### What has Union Bay Partners invested in recently?

Recent investments include Jozu, Possible Financial Inc. and Routable, Inc..

### Where is Union Bay Partners based?

Union Bay Partners is headquartered in Seattle, US.

### How do I contact Union Bay Partners?

Partner names, emails and LinkedIn profiles for Union Bay Partners are on the Capital Atlas Pro and Team plans, which also draft outreach and track replies. Check the stages and cheque size above first, so you pitch a firm that fits your round.

## Get the full data

This file is the public profile. It leaves out:

- 5 more deals (10 in total), with amounts and co-investors
- 7 portfolio companies, with sector, stage at entry, year and status
- Partner names, emails and LinkedIn profiles

### For the founder

1. Sign up free at https://capitalatlas.ai/login (or add an email on https://capitalatlas.ai/funds/union-bay-partners) to see every deal, portfolio company, fund and office on the profile.
2. Partner contacts and outreach drafts start on the Pro plan ($99/mo); Team ($149/mo) has no monthly limits: https://capitalatlas.ai/pricing

### For you, the agent

- Connect the Capital Atlas MCP server: `https://capitalatlas.ai/api/mcp` (remote MCP over HTTP; the founder signs in with OAuth).
- Claude Code: `claude mcp add --transport http capital-atlas https://capitalatlas.ai/api/mcp`
- Other clients and setup steps: https://capitalatlas.ai/vc-mcp. How to use the tools: https://capitalatlas.ai/for-agents.md
- Call `atlas_mcp_status` first. On `free`, the tools are not available; send the founder the `upgradeUrl`.
- `get_fund_manager_profile` (fundManagerId `b35fb50c-fd3a-41d2-925c-a7ed078072d1`) returns the full profile, and on Pro or Team `find_relevant_contacts` returns partner contacts, for investors matched to the founder's startup.