Pioneer Square Ventures — Full Portfolio
5 tracked investments · listed companies and verified rows first
Flexe provides platform-based warehousing network management, handling implementation, onboarding, and operations across multiple locations for customers seeking to scale their logistics infrastructure.
B2B MarketplacesLogistics & Supply ChainSaaSSeattle, US
Karl Siebrecht(Co-founder & CEO)inEdmond Yue(Founder)inFrancis Duong(Founder)inCurt Anderson(CFO & COO)in
Board seatMike Karl GalgonMike Galgon· per SEC Form D · $80M raise · filed Jan 2021
Co-investors137 VenturesAcequia Capital (AceCap)ACTIVATE CAPITAL PARTNERSAlumni VenturesBlue Ivy VenturesCollective Liquidity+11 more
Kamiwaza offers a distributed AI orchestration platform that processes data where it resides, allowing enterprises to deploy AI without centralizing data or compromising security.
AI & Machine LearningData & InfrastructureEnterprise SoftwareGovTechSilverthorne, US
Matthew Wallace(Executive Officer, Director)inLuke Matthew Norris(Executive Officer, Director)
Board seatVivek Ladsariya· per SEC Form D · $8.5M raise · filed Jan 2025
Co-investorsAscend Venture CapitalCitta CapitalFirstMile VenturesGreater Colorado Venture FundPioneer Square LabsS3 Ventures+2 more
LumaTax is a platform that automates US and Canadian sales tax compliance, helping businesses manage nexus registration, tax filings, and remittance across multiple jurisdictions.
E-commerceFintechSaaSSeattle, US
Robert Schulte(Founder)inFergal Garvey(Founder)Michael Glover(Founder)Stefan Mladenovic(Founder)
BoardChuck Stonecipher(Director)in
Board seatGregory Gottesman· per SEC Form D · $6.1M raise · filed May 2021
Co-investorsCowboy VenturesGaingelsMadrona Venture GroupPioneer Square LabsTrilogy Equity Partners
Certivo is a supply chain compliance platform that automatically collects supplier documentation, monitors certificate changes and expirations, and reports an organization's compliance posture.
AI & Machine LearningEnterprise SoftwareSaaS
Co-investorsPioneer Square LabsSuffolk Technologies
Dropzone AI builds AI agents that investigate security alerts, hunt threats, and respond to cyberattacks for security teams and organizations.
AI & Machine LearningCybersecurityEnterprise Software
Edward Wu(Founder)in
Co-investorsDecibel PartnersIn-Q-TelMadrona Venture GroupPioneer Square LabsTheory VenturesRedpoint Ventures
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.













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