Pioneer Square Labs

Pioneer Square Labs (PSL) is an American startup studio and venture capital fund,[2] founded in 2015 and is based in Seattle, Washington. PSL develops and tests new business ideas and creates new companies out of the successful ones.[3] As of February 2021, Pioneer Square Labs was recognized as one of the top startup studios based on website traffic to its top 3 portfolio companies.[4]

Pioneer Square Labs
IndustryStartup Studio, Venture Capital Fund
FoundedOctober 1, 2015; 6 years ago (2015-10-01) in Seattle, WA[1]
Key people
Number of employees
19 (2018)



  1. ^ Soper, Taylor. "Top Seattle investors raise $12.5M for new 'startup studio' Pioneer Square Labs". GeekWire.
  2. ^ Soper, Taylor. "Seattle startup studio Pioneer Square Labs raises new fund to bankroll more companies". GeekWire.
  3. ^ Lerman, Rachel. "Pioneer Square Labs aims to turn ideas into businesses". The Seattle Times.
  4. ^ Kronenberger, Craig (2021-02-23). "Top Startup Studios by Website Traffic". Medium. Retrieved 2021-03-26.
  5. ^ Levy, Nat. "Pioneer Square Labs spinout LumaTax raises $2M from Madrona, Greycroft". GeekWire.
  6. ^ Stewart, Ashley. "Autoplay-ad-killing startup Ad Lightning raises $2M and hires ex-Cheezburger CEO". Puget Sound Business Journal.
  7. ^ Soper, Taylor. "JetClosing raises $2.3M from Trilogy and Maveron to digitize the real estate closing process". GeekWire.
  8. ^ Levy, Nat. "Startup led by ex-Amazon manager and Obama tech policy guru raises $3.5M to navigate the 'opaque, intimidating, and high-stakes' immigration process". GeekWire.
  9. ^ Cooke, Sam. "Esports fan competition platform Taunt raises $1.75m". Esports Insider.
  10. ^ Badenhausen, Kurt. "Russell Wilson Launches Mobile App To Connect Fans With Celebrities". Forbes.
  11. ^ "Joon Care Raises $3.5 Million to Address the Urgent Need for Accessible Mental Health Care for Teens and Young Adults". Retrieved 2020-12-16.