CarbonFix
VC Fund
Amsterdam, The Netherlands
CarbonFix is a network of climate innovators. It acts as a foundation to support initiatives and help them scale-up by connecting them to people, relevant expertise or adjacent industries.
- Total investments:
- 5
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries CarbonFix invests in
Stages CarbonFix invests in
Countries CarbonFix invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
4 more contacts available
Round size
- Seed
- $1.2M–$5.4M
Investment Focus
Industry
- Sustainability 2 (40%)
- Environmental Consulting 2 (40%)
- CleanTech 1 (20%)
- Recycling 1 (20%)
- Agriculture 1 (20%)
Stage
- Seed 3 (60%)
- Pre-Seed 2 (40%)
Country
- The Netherlands 2 (40%)
- Canada 1 (20%)
- Belgium 1 (20%)
- United States 1 (20%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Siemon van den Berg
Founder
|
Founder | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
StratX
|
StratX installs engineered landfill covers that destroy methane and lock away carbon dioxide, while financing and operating the systems at no cost to the landfill. | $1.2M / Seed / Jul 14, 2026 | |
Astracite
|
Astracite designs next-generation, climate-positive graphite-silicon composite anode materials explicitly engineered for lithium-ion batteries. The business model addresses global supply chain and environmental vulnerabilities by transforming captured carbon dioxide emissions into high-performing battery components via an eco-friendly processpowered by green electricity. By structurally embedding silicon into a specialized carbon matrix, the company delivers a fivefold capacity boost over traditional synthetic graphite while maintaining an ultra-low manufacturing footprint. | $870.7K / Pre-Seed / Jun 16, 2026 | |
Skyrenu Technologies
|
Skyrenu Technologies develops and markets direct atmospheric systems based on its patented technology. | Pre-Seed / Jun 03, 2025 | |
DOPS Recycling Technologies
|
DOPS Recycling Technologies is developing a circular technology for converting complex waste flows into raw materials for new products. | $5.4M / Seed / Mar 27, 2025 | |
SeaO2
|
SeaO2 is an ocean carbon removal startup that offers scalable carbon dioxide removal technology at the giga-ton level. It aims to prevent global warming by lowering CO₂ concentrations in the water and indirectly in the atmosphere. | $2.2M / Seed / Nov 04, 2024 |
Co-Investors
Alphatron Group B.V.
1 deal together
ATechX Accelerator
1 deal together
Carbon13
1 deal together
DOEN Participaties
1 deal together
Future Tech Ventures
1 deal together
Init Power
1 deal together
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FAQ
What does CarbonFix invest in?
CarbonFix invests primarily in Sustainability, Environmental Consulting and CleanTech startups, most often at Seed and Pre-Seed stage. Most of the 5 investments tracked by Shizune back companies in The Netherlands. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is CarbonFix's check size?
CarbonFix typically joins rounds of $1.2M–$5.4M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds CarbonFix participates in.
How do I contact CarbonFix?
Public channels for CarbonFix include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at CarbonFix?
The team at CarbonFix includes Siemon van den Berg (Founder). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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