Pioneer Square Labs
Finance · 11-50 Employees
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Overview
Phone Number
+243 817090797Website
www.psl.comRevenue
$17.5 MillionIndustry
ZI Rank: 2
Signal Type
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ZI Rank
2
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2
About Pioneer Square Labs
Pioneer Square Labs is a startup studio and early-stage venture capital fund based in Seattle, WA. The company is dedicated to building the next generation of world-changing companies by collaborating with exceptional founders and providing investment capital. They offer support to new ventures through their studio while also investing in early-stage companies. Pioneer Square Labs aims to foster innovation and growth in various industries.Explore more
Pioneer Square Labs Org Chart
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Pioneer Square Labs financials insights
Gather financial insights about Pioneer Square Labs, including details on funding rounds, investors, total funding, and acquisitions, to gain a comprehensive understanding of their financial strategy.
2015
Unspecified
$12.5M
2019
Other Financing Round
$3.3M
Pioneer Square Labs Tech Stack
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Person-Based
Vivek Ladsariya, Managing Director, appeared on a podcast called "How I Invest with David Weisburd" on 10/24/2025. Topics discussed include VC investing, founder partnerships, early-stage startups.
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Pioneer Square Labs News & Media
Dropzone AI Secures $37M Series B, Putting AI Security Analysts on the Front Lines of ...
SEATTLE, July 28, 2025--Dropzone AI announces a $37M Series B funding round, validating its unique solution as it leads the market for AI SOC agents.SingleFile Raises $9M in Series A Funding
SingleFile, a Seattle, WA-based legal and compliance tech company, raised $9M in Series A funding. The round was led by Foundry Group, with participation from existing investors, including Pioneer Square Labs, and The LegalTech Fund, and law firms Wilson Sonsini, Cooley, DLA Piper, Fenwick, Perkins Coie, and individual lawyers from the firm K&L Gates. The company intends to use the funds to expand […] The post SingleFile Raises $9M in Series A Funding appeared first on FinSMEs.Julie Sandler, managing director at Pioneer Square Labs, will shift to venture partner role
Longtime tech startup investor Julie Sandler plans to transition away from her role as managing director at Pioneer Square Labs, the Seattle venture firm that runs an investment fund and startup studio. Sandler joined PSL in 2017 as its fourth managing director after a 6-year stint with Madrona. She helps oversee PSL’s venture fund, which invests in early stage tech startups across the Pacific Northwest. Sandler will move into a venture partner role at PSLSeattle startup studio Pioneer Square Labs recruits tech experts for new advisory board
Pioneer Square Labs is tapping some of Seattle’s leading technology researchers and innovators with the creation of a new advisory board to help support the early stage companies in its startup studio and venture fund portfolio. PSL’s new Technical Advisory Board (TAB) will work closely with the firm’s internal staff, as well as associated startups, to provide counsel across technology themes and support company sourcing and diligence. The group includes top researchers from the University
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Frequently Asked Questions Regarding Pioneer Square Labs
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Pioneer Square Labs is a startup studio and early-stage venture capital fund based in Seattle, WA. The company is dedicated to building the next generation of world-changing companies by collaborating with exceptional founders and providing investment capital. They offer support to new ventures through their studio while also investing in early-sta... Read More
