SquareOne is a pre-seed to Series B stage investment firm. It has made 10 investments, with focus areas including AI, Climate & Energy, SaaS, Biotech & Life Sciences, Healthcare, Fintech, Consumer, E-Commerce & Marketplace, Hardware & Semiconductors. Deal activity decreased year-over-year (2 deals in the last 12 months vs 4 prior). Their most common stage is series-a (50% of deals). Average disclosed round size is $14.4M (across 10 rounds with reported amounts).
Portfolio
10
Fund Size
—
Top Stage
Series A
Last 12 Mo
2
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| UUltralytics | Series A | $30M | Sep 2025 |
 C1 Green Chemicals AG | Series B | $20M | Mar 2025 |
| PPhase | Series A | $13M | Feb 2025 |
 Graph Therapeutics | Pre-Seed | $3M | Jan 2025 |
 Hero | Series A | $12.2M | Jun 2024 |
 atmio | Seed | $5.5M | Jun 2024 |
 Retorio | Series A | $9M | Nov 2023 |
 Nexu | Series B | $20M | Oct 2023 |
 Vue Storefront | Series A | $20M | Mar 2023 |
| SSemron | Seed | $10.8M | — |
Top Co-Investors
Elephant1 shared
Valor Equity Partners1 shared
Endeavor Catalyst1 shared
Altos Ventures1 shared
Wollef1 shared
Clocktower Technology Ventures1 shared
Gilgamesh Ventures1 shared
FJ Labs1 shared
FinTech Collective1 shared
Gobi Partners1 shared
Hive Ventures1 shared
Palm Drive Capital1 shared
WI Harper1 shared
42CAP1 shared
Valar1 shared
Merantix1 shared
Atomico Angel Programme1 shared
Creandum1 shared
Felix Capital1 shared
Last updated: 13 March 2026