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Limenet

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Permanent storage of carbon dioxide in seawater through a natural compound called calcium bicarbonate

Galbiate, ItalyFounded 2023Energy
Valuation $25–50M Last recorded · 2025
Revenue <$1M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Limenet and the history behind them.

About Limenet

Limenet.tech is an innovative startup focused on combating climate change through ocean alkalinity enhancement. The company operates in the environmental technology sector, specifically targeting carbon dioxide (CO2) mitigation and ocean acidification. Limenet's primary clients include environmental agencies, research institutions, and industries looking to offset their carbon emissions.

Limenet's core technology revolves around the introduction of calcium bicarbonates into seawater. This process is inspired by the natural geological carbon cycle, where carbon is exchanged between the earth's soil, seas, freshwater bodies, and the atmosphere. By enhancing ocean alkalinity, Limenet aims to stabilize dissolved calcium bicarbonates and effectively store CO2, thereby reducing the risk of carbon dioxide leakages and mitigating ocean acidification.

The company operates a multidisciplinary research facility in La Spezia, where it conducts extensive chemical and biological studies. Chemically, the focus is on evaluating the stability and effectiveness of carbon dioxide storage in treated seawater. Biologically, the research investigates the potential effects of Limenet's treatment on marine life, particularly planktonic and benthic organisms.

Limenet's business model is based on providing a service that generates negative emissions. This is achieved by capturing CO2 from various sources, such as air or industrial waste streams, and converting it into calcium bicarbonates before introducing it into the ocean. The company makes money through partnerships, grants, and selling carbon credits to industries aiming to reduce their carbon footprint.

In summary, Limenet.tech is at the forefront of environmental technology, offering a scientifically-backed solution to ocean acidification and CO2 mitigation. The company leverages natural processes to provide a sustainable and effective method for combating climate change.

Source: Dealroom company data

At a glance

Founded
2023
Headquarters
Galbiate, Italy
Sector
Energy

Investors

7 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed5 investors entered at this stage

  • remove's Accelerator Program
  • Axel Carbon Capital
  • Aither
  • Faros Accelerator
  • Leone La Ferla

Series A2 investors entered at this stage

  • Fassa Bortolo
  • CDP Venture Capital
Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
4 countries with
team presence
🇮🇹 Italy84%
🇳🇱 Netherlands8%
🇨🇭 Switzerland4%
🇱🇻 Latvia4%
4 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Limenet on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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