Pioneer Square Labs logo

Pioneer Square Labs

Software Development

Facts

HQ
Seattle
Sectors
Software Development
Founded
2015
Employees
33

Madrona Venture Labs raises $8M and turns investors like Spencer Rascoff into co‑founders of spinouts

Madrona Venture Labs has raised $8 million for its fourth fund and introduced a model that makes investors — including Spencer Rascoff, Julie Larson-Green and Elena Donio — co-founders, board members, and advisors of its spinouts to attract talent and accelerate startup formation. Founded in 2014, the Seattle-based studio has spun out more than a dozen companies, including recent spinouts Zeitworks, Simplata, and Stratify.

Boundless raises $25M to expand immigration software services; aims to triple staff after RapidVisa deal

Seattle-based immigration software startup Boundless raised $25 million to expand services that help people connect with lawyers and file spousal-visa and citizenship applications, having supported over 70,000 families since spinning out of Pioneer Square Labs in 2017. The company, led by CEO Xiao Wang, plans to grow headcount from 130 with hopes tied to a 'pro-immigrant' Biden administration after recent restructuring and the acquisition of RapidVisa.

Libsyn Acquires Seattle Podcast Monetization Startup Glow for $1.2M; Integrates Subscription Billing for 75,000+ Shows

Seattle startup Glow, spun out of Pioneer Square Labs and founded by Amira Valliani, built podcast subscription tools and has been acquired by podcast host Libsyn; Libsyn will integrate Glow’s private feed distribution and subscription billing for its 75,000+ podcasts. Glow had raised $2.3 million, and an SEC filing shows Libsyn agreed to pay $1.2 million ($800k upfront, up to $400k earnout); other deal terms were not disclosed.

Startup Haven launches Startup Haven Ventures, adds Westerdal, Yu and Mbemba; PSL promotes three; Adam Selipsky named AWS CEO

Startup Haven, founded by Bob Crimmins, launched Startup Haven Ventures and expanded its team to include Jay Westerdal, Arry Yu and Claudius Mbemba; the fund targets pre-seed, capital-efficient companies with a Pacific Northwest focus and made its first investment in Verdi. Seattle’s Pioneer Square Labs promoted Palvi Mehta, David Zager and Ben Gilbert; separately, Tableau CEO Adam Selipsky will become AWS CEO, replacing Andy Jassy.

Pioneer Square Labs raises $100M Fund II to back 30+ Pacific Northwest startups with $1–3M initial checks

Seattle-based Pioneer Square Labs raised $100 million for its second venture fund, exceeding its $80 million target due to strong institutional demand, and will invest across more than 30 early-stage Pacific Northwest companies with initial checks of $1–3 million. The firm operates a startup studio (raised $29 million) and a venture fund model that splits capital roughly half to studio spinouts and half to external startups.

Madrona’s Dan Li: Niche, Creator-Driven Communities Like Roblox ($30B) and Clubhouse (~$1B) Are Rising

Madrona partner Dan Li says niche, user-populated online communities — exemplified by Roblox (valued at $30B) and Clubhouse (about $1B) — are growing more important as creators produce sticky, original content, a trend accelerated by the pandemic. He discussed these themes on GeekWire Studios’ podcast 2025: Tomorrow, Today, hosted by John Cook and Jordon Voss.

SPACs Let Founders Reach Public Markets Faster and Keep Larger Equity Stakes, Say Startup Observers

The article explains how SPACs (special purpose acquisition companies) let founders and early employees reach liquidity faster and often retain larger ownership stakes than through later-stage VC or private equity rounds. Using examples like Sana Biotechnology and Seattle entrepreneur Sujal Patel, it argues SPACs can preserve founders' equity by bypassing dilutive funding rounds.

TiE Seattle VC Panel: 2020 Ended with Record Startup Funding and SPAC Surge, Investors Expect Strong 2021

A TiE Seattle panel of four Seattle-area VCs said despite early pandemic layoffs and valuation fears, 2020 ended with record startup funding, VC capital raises, and strong exits, and they expect continued momentum in 2021 driven by SPAC activity and pandemic-driven innovation. Panelists highlighted increased founding activity, higher valuations, and pandemic-forced business improvements creating investor opportunities.

Gradient Ventures leads $5.4M investment in Seattle analytics startup Iteratively to standardize customer data

Seattle analytics startup Iteratively raised $5.4 million in a round led by Gradient Ventures, Google’s AI-focused fund, to help companies standardize and improve customer analytics tracking. The 10-person company, founded in 2019 by Patrick Thompson and Ondrej Hrebicek, integrates with tools like Amplitude and Mixpanel and counts Box and thredUP among clients.

Online