
Gigablue is the world's largest supplier of affordable, gigaton-scale marine carbon dioxide removals, pioneering the marine carbon fixation and sinking (MCFS) method. Their solution combines science, AI, and nature to provide the lowest-cost, effective, and long-lasting carbon sequestration by exporting carbon to the deep ocean where it remains stable for hundreds of years. Gigablue's proprietary oceanographic intelligence platform uses AI and big data from sensors, robots, satellite imagery, and research to optimize deployment zones and substrate compositions, ensuring environmental safety and scalability. The company partners with major corporations and governments to help them reach net-zero goals, leveraging existing shipping supply chains for deployment and rigorous measurement, monitoring, reporting, and verification (MMRV) standards. Their business model focuses on providing carbon removal services at scale with a strong emphasis on sustainability, scientific validation, and operational efficiency.

Gigablue is the world's largest supplier of affordable, gigaton-scale marine carbon dioxide removals, pioneering the marine carbon fixation and sinking (MCFS) method. Their solution combines science, AI, and nature to provide the lowest-cost, effective, and long-lasting carbon sequestration by exporting carbon to the deep ocean where it remains stable for hundreds of years. Gigablue's proprietary oceanographic intelligence platform uses AI and big data from sensors, robots, satellite imagery, and research to optimize deployment zones and substrate compositions, ensuring environmental safety and scalability. The company partners with major corporations and governments to help them reach net-zero goals, leveraging existing shipping supply chains for deployment and rigorous measurement, monitoring, reporting, and verification (MMRV) standards. Their business model focuses on providing carbon removal services at scale with a strong emphasis on sustainability, scientific validation, and operational efficiency.
What they do: Marine carbon dioxide removal via Microalgae Carbon Fixation and Sinking (MCFS)
Headquarters / HQ year: New York; founded 2022
Scale / claim: Positions itself as a gigaton-scale, low-cost ocean CDR provider
Recent commercial milestone: Announced a 200,000‑ton, four‑year offtake agreement (SkiesFifty)
Team size: ~34 employees
Climate tech — carbon dioxide removal (ocean-based)
2022
DeepTech
Crunchbase lists a Seed round on this date; profile shows multiple prior rounds (4 total)
“Includes early investors and strategic backers such as Plug and Play, Katapult (including Katapult Ocean), At One Ventures, E44 Ventures, theDOCK, AIR Capital”