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Seamoretech
Seamoretech processes desalination brine into freshwater and industrial-grade minerals for various industries.
Seamoretech is an energy company based in Porto, PT, founded in 2021. It has raised $1.23 million in disclosed funding. Its latest round was a Seed of €1.1 million in November 2026.
Overview
Founded in 2021, Seamoretech provides technology that recovers minerals from desalination brine while doubling freshwater output from existing infrastructure [0]. The company's circular process extracts materials such as magnesium hydroxide, calcium hydroxide, sodium chloride, lithium, and copper, which are used across sectors including agriculture, energy storage, data centers, and manufacturing [0]. By transforming a waste stream into valuable inputs, the technology aims to reduce environmental impact and lower reliance on conventional mining [1]. The system is designed to eliminate brine discharge entirely, supporting zero-liquid discharge goals [0]. Seamoretech is currently at the seed stage, having raised $1.23 million [Registry]. The leadership team includes CEO Sofia Delgado and CTO Eva Sousa [1]. Seamoretech has been recognized with multiple sustainability and innovation awards, including the 2025 BlueInvest Awards and recognition at the 2026 WeRise showcase [1].
desalinationwater treatmentcircular economylithiumbrine recoverycritical mineralssustainabilitycleantech
Funding
Total disclosed: $1.2M across 1 round. Computed only from sourced rounds.
| Date | Company | Amount | Stage | Lead | Other investors | Sector | Sources |
|---|---|---|---|---|---|---|---|
| €1.1M | Seed | — | Rypples +2 | Energy | 1 |
Investors
In the news
Questions and answers
What does Seamoretech do?
Seamoretech processes desalination brine into freshwater and industrial-grade minerals for various industries.
How much has Seamoretech raised?
Seamoretech has raised $1.23 million in disclosed funding across 1 round tracked by OSH.
Who has invested in Seamoretech?
Investors in Seamoretech include Rypples, 7Seas Capital, and Crédito Agrícola.
When and where was Seamoretech founded?
Seamoretech was founded in 2021 and is based in Porto, PT.
Timeline
Founded
Sources
- 1.Porto’s female-led startup Seamoretech secures €1.1 million to turn desalination brine into freshwater and critical minerals — EU-Startups, Nov 2, 2026
- 2.Seamoretech · Official
- 3.Seamoretech · Official