Pioneer Square Labs (PSL Ventures)
Pioneer Square Labs (PSL Ventures) is a Pre-Seed, Seed venture capital firm based in Seattle, WA investing in SaaS. The firm typically writes $500K–$2.0M checks and has 4 portfolio companies in our records.
- Check size
- $500K–$2.0M
- Portfolio
- 4 companies on record
- Partners
- 8 listed
- AUM
- $180M
- Stage
- Pre-Seed, Seed
- Sectors
- SaaS
- HQ
- Seattle, WA
Last verified: 2026-05-22
Pre-Seed, Seed
$500K – $2.0M
$180M
4+ companies
8 partners
Investment Thesis
Focuses on early-stage software startups addressing enterprise and employee needs.
How Pioneer Square Labs (PSL Ventures) invests
Pioneer Square Labs (PSL Ventures) is a vc firm based in Seattle, WA. The firm invests at the Pre-Seed, Seed stages, with a focus on SaaS.
Pioneer Square Labs (PSL Ventures) typically writes checks of $500K–$2.0M per investment, backed by approximately $180M in assets under management.
Pioneer Square Labs (PSL Ventures) has backed 4 companies in our records, including Boundless, CloudX, Tin Can.
Partners & Team
Industry Focus
Invests In
Portfolio Companies (4)
Other
Boundless
CloudX
Tin Can
Lev
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in SaaS — the sectors they actively back.
- •Size your ask to their typical $500K – $2.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Cynthia Mason, Executive Recruiter.
- •A warm introduction beats a cold email. Get matched and request an intro.
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