Coelius Capital — Pre-Seed & Seed VC Firm ($200K–$1.0M Checks)
Coelius Capital is a Pre-Seed, Seed venture capital firm based in San Francisco, California, United States investing in SaaS, Other, AI / ML. The firm typically writes $200K–$1.0M checks and has 2 portfolio companies in our records.
- Check size
- $200K–$1.0M
- Portfolio
- 2 companies on record
- Partners
- 1 listed
- AUM
- $33M
- Stage
- Pre-Seed, Seed
- Sectors
- SaaS, Other, AI / ML, Enterprise, Developer Tools
- HQ
- San Francisco, California, United States
Last verified: 2026-09-21
Pre-Seed, Seed
$200K – $1.0M
$33M
2+ companies
1 partner
Investment Thesis
Coelius Capital is a solo-GP early-stage fund led by Zach Coelius that invests in differentiated B2B and B2B2C technology startups, especially SaaS, enterprise software, fintech, AI/ML, developer tools and infrastructure; it seeks “validated ideas” and unusual or novel problem spaces, explicitly excluding crypto, web3, biotech, security, and semiconductors.
How Coelius Capital invests
Coelius Capital is a vc firm based in San Francisco, California, United States. The firm invests at the Pre-Seed, Seed stages, with a focus on SaaS, Other, AI / ML, Enterprise, Developer Tools. It does not invest in Consumer only.
Coelius Capital typically writes checks of $200K–$1.0M per investment, backed by approximately $33M in assets under management.
Coelius Capital has backed 2 companies in our records, including OpenAI, Axios.
Partners & Team
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (2)
Other
OpenAI
Axios
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in SaaS, Other, AI / ML — the sectors they actively back.
- •Size your ask to their typical $200K – $1.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Zach Coelius, Managing Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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