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Phykos

Phykos is a YC Summer 2021 (S21) company. Based in San Francisco, CA, USA; Remote. Team of 2.

  • Carbon Capture and Removal
  • Climate

About Phykos

GPAgent's own fund-neutral profile, written from public information. Updated Oct 4, 2026.

Summary

Phykos grows seaweed at scale to remove carbon dioxide from the atmosphere and stabilize the climate. The company targets the carbon removal market, using cultivated seaweed as the mechanism for sequestration in place of conventional land-based or engineered carbon capture approaches.

From the Y Combinator listing

How Phykos describes itself in Y Combinator's public directory. Original listing (opens in a new tab)

Growing seaweed to stabilize the climate.

Facts

Industry
Industrials / Industrials -> Climate
Location
San Francisco, CA, USA; Remote
Team size
2
Status
Active
Stage
Early

Founders (2)

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