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Pioneer Square Labs
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Pioneer Square Labs

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https://www.psl.com
Last activity: 17.11.2025
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We are not a venture firm. If you are an entrepreneur with a great idea and a small team looking for funding, please seek out one of our partners. We are not an incubator or accelerator. If you are an existing company looking for amplification or mentorship, TechStars might be a great option.
We are a startup studio. We develop ideas internally and validate or kill them. We then take the next steps, turning the best ideas into products with actual customers.

That's where you come in. Building a great startup is hard. Really hard. It requires domain expertise, uncommon talent at all levels, great execution, perfect timing, and a little luck. If you are an experienced, execution-oriented business person or technologist, looking to run and build a startup that is ready to take off, come talk with us.
Likes
365
Followers
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Followers
5.9K
Website visits
12.1K /mo.
Mentions
73

Overview

Location
United States, Washington, Seattle
Employees
11-50
Phone
+1 206-202-2227
Total raised
$18.7M
Founded date
2015

Investors 3

DateNameWebsite
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Foundry Groupfoundrygroup.com
Vintage Investment Partnersvintage-ip.com

Funding Rounds 2

DateSeriesAmountInvestors
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Jan 18, 2018Funding round$15M

Mentions in press and media 73

DateTitleDescription
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Jul 30, 2025AI SOC Pioneer Dropzone AI Raises $37M for Global ExpansionDropzone AI secured $37 million in Series B funding, accelerating its autonomous AI SOC analyst platform. This technology automates security alert triage and investigation, mitigating staffing shortages and analyst burnout. It empowers huma...
Jul 29, 2025Dropzone AI: $37 Million Series B Raised For Developing SOC AnalystsDropzone AI, a provider of AI-based Security Operations Center (SOC) analysts, has raised $37 million in a Series B funding round led by Theory Ventures, with participation from Madrona, Decibel Ventures, Pioneer Square Labs, and IQT. This ...
Jul 28, 2025Dropzone AI Raises $37M Series B FundingDropzone AI, a Seattle, WA-based provider of AI SOC analysts, raised $37M in Series B funding. The round was led by Theory Ventures with participation from Madrona, Decibel Ventures, Pioneer Square Labs, and IQT. The company intends to use ...
Jul 28, 2025Dropzone AI raises $37M to expand AI SOC analyst development and integrations Join theCUBE Alumni Trust Network Send us a News Tip EXTRACT THE SIGNAL FROM THE NOISE CookiesSecurity operations startup Dropzone AI Inc. revealed today that it has raised $37 million in new funding to accelerate development of specialized autonomous AI security agents and deepen its ecosystem partnerships and integrations. Founded...
Jul 17, 2025Acre Venture Partners bets on GenAI for NPD with Zucca investment: Tech will become ‘core to commercialization’ in CPGZucca—a Seattle-based startup with a generative AI platform to help CPG firms streamline the product development process—has emerged from stealth with a $5 million seed round led by Acre Venture Partners. Other investors include PSL Venture...
Nov 3, 2023Substance over style: Seattle startups facing fewer down rounds than Bay Area, NYC counterpartsSeattle startups had fewer down rounds through the first nine months of the year compared to the Bay Area and New York. (GeekWire File Photo / Kurt Schlosser) Seattle startups are facing fewer down rounds than companies in the Bay Area and ...
Sep 22, 2023Shift AI Podcast: Riding the wave of AI startup innovation with Pioneer Square Labs’ T.A. McCannT.A. McCann, managing director at Seattle-based Pioneer Square Labs, talks with Boaz Ashkenazy on the Shift AI Podcast. “I think any pitch that doesn’t have AI in it is just not going to get a look unless the team is incredible… but it’d be...
Jul 5, 2023How this publicly traded manufacturing giant is testing generative AI business ideasPioneer Square Labs in downtown Seattle hosted about 30 employees from Fortive for a week-long exercise to test out ideas for generative artificial intelligence businesses. (Pioneer Square Labs Photo) In the race to build generative artific...
Jun 13, 2023AI and coding: How these tech companies are using generative AI for programmingMade with Microsoft Bing Image Creator. Prompt: “A robot helping a software engineer develop code.” Generative AI is already changing the way software engineers do their jobs. GitHub Copilot, Amazon CodeWhisperer, ChatGPT, Tabnine, and vari...
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FAQ about Pioneer Square Labs

When was Pioneer Square Labs founded?

Pioneer Square Labs was founded in 2015.

How much funding has Pioneer Square Labs raised?

Pioneer Square Labs has raised $18.7M in total across 2 funding rounds.

What funding rounds has Pioneer Square Labs raised?

Parsers VC lists 2 funding rounds of Pioneer Square Labs, among them a funding round of $15M on Jan 18, 2018.

Who has invested in Pioneer Square Labs?

Parsers VC lists 3 investors of Pioneer Square Labs, among them Foundry Group and Vintage Investment Partners.

What has the press written about Pioneer Square Labs?

Parsers VC has collected 73 articles mentioning Pioneer Square Labs, among them “AI SOC Pioneer Dropzone AI Raises $37M for Global Expansion” (Jul 30, 2025) and “Dropzone AI: $37 Million Series B Raised For Developing SOC Analysts” (Jul 29, 2025).

Is Pioneer Square Labs still active?

Yes, Pioneer Square Labs is active; its latest activity on Parsers VC dates from Nov 17, 2025.