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SeaO2

SeaO2

Private
AmsterdamEnergy & Sustainabilityhttps://seao2.com

Last Round

Grant

Oct 24, 2025

Total Funding Raised

$4.37M

Company Overview

SeaO2 is a climate technology company that provides electrochemical direct ocean capture technology for carbon dioxide removal. The technology extracts dissolved carbon dioxide from seawater, which enables the ocean to absorb more CO2 from the atmosphere. The captured CO2 can be permanently stored or used in other products.

Sector

Energy & Sustainability

Verticals

Carbon Capture, Water Treatment

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

direct ocean captureDOCcarbon dioxide removalCDRcarbon removal creditsocean CDRocean carbon removalelectrochemical processseawater carbon removalclimate techcarbontechcarbon capturenegative emissions technologycarbon sequestrationmarine CDRvoluntary carbon market

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SeaO2 Comparables

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SeaO2 comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Captura Corp
89%
Ebb Carbon
86%
Brineworks
86%

SeaO2 Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantOct 24, 2025
GrantJul 14, 2025
SeedNov 4, 2024

Key People

Founding team and executive leadership

Ruben Brands

Founder & CEO

Founding Team

Mattheus Meijssen

CTO (interim) Lead Pilot Plant

Executive Team

Market signals

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  • Nov 4, 2024

    $2.38M raised in Seed round.

SeaO2 Filings

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SeaO2 filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about SeaO2's valuation, stock price, and market status.

Is SeaO2 a public or private company?

SeaO2 is a private company.

What is the current stock price of SeaO2?

SeaO2 is a private company with no public stock price. No recent secondary market data is available.

How much is SeaO2 worth (valuation)?

Valuation information for SeaO2 is not publicly available.

Can I buy SeaO2 stock?

SeaO2 shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was SeaO2's last funding round?

SeaO2's most recent funding round was Grant on October 24, 2025.

Who are the main investors in SeaO2?

Key investors in SeaO2 include Future Tech Ventures, DOEN Participaties.

Will SeaO2 IPO soon?

No public IPO plans have been announced for SeaO2.

How can I track SeaO2 secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor SeaO2's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersAmsterdam
Employee Range15
Year Founded2021
Last FundingOct 24, 2025

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