Carbon13
Venture studioCambridge · Pre-Seed–Seed · 6 people tracked
Investment thesis
Carbon13 operates as a venture builder and pre-seed investor focused on climatetech across Europe. It brings together world-class founders, domain experts, mentors and innovation hubs to supercharge venture development with carbon impact built into each company's value proposition. While describing itself as sector agnostic, the bulk of its founders work in energy, materials, food systems, transport, and enabling platforms such as regtech or fintech, all aimed at addressing challenges to Earth's Vital Systems. Since 2021 it has worked with over 1300 founders and invested in over 90 high-growth startups, aiming for maximum carbon reduction impact and industry transformation for the climate, people and the planet.
Source: firm website, verified Aug 7, 2026.
Team · 6 people
from the firm's website & public directories
What they invest in
from 12 of 89 portfolio companiesClimate Tech ×8Cleantech ×7Energy ×4New Materials ×4SaaS ×4AI & Machine Learning ×3Biotech ×2Deep Tech ×2
HQs:United Kingdom×3
Investments · 89 tracked
founders shown can be your intro pathDeveloping colour-changing holographic hydrogel sensors for chemical intelligence, making invisible chemistry visible.
Bluemethane develops technology to measure, prevent and recover methane emissions from liquid systems such as wastewater treatment, anaerobic digestion and reservoirs.
CleantechClimate TechEnergy
CBAMBOO provides advisory services and software to help companies manage compliance with the EU's Carbon Border Adjustment Mechanism (CBAM), analyse risk and reduce CBAM costs.
CleantechClimate TechEnterprise SoftwareSaaSLondon, GB
Gabriel Rozenberg(Founder & CEO)
Deep Blue Biotech develops sustainable chemicals by re-engineering cyanobacteria to convert CO₂ into high-value molecules, using AI-driven metabolic modelling.
BiotechCleantechNew Materials
Tim Corcoran(Chief Executive Officer)inLucia Burdisso(Chief Scientific Officer)Manuel Rios(Chair of Innovation)
Forge Minerals converts carbon dioxide from biogenic emissions into high-purity magnesium carbonates using advanced chemical processes.
CleantechClimate TechNew MaterialsEdinburgh, GB
Ian Spencer(Co-founder | CEO)Sylvain Petitgirard(Co-founder | CSO)Matthew Vaughan(Co-founder | COO)
Ki Hydrogen develops a biomass electrolyser that combines renewable electricity with lignocellulosic biomass to co-produce green hydrogen and biogenic carbon.
CleantechClimate TechEnergy
MatNex (Materials Nexus) is a materials design company that uses first-principles computation, machine learning, and materials engineering to design new materials to customer-defined performance and cost specifications, then owns and licenses the resulting material IP.
AI & Machine LearningDeep TechNew Materials
AI-native project management platform helping renewable energy developers navigate projects.
Frequently asked questions
- What stage does Carbon13 invest at?
- Carbon13 invests at the Pre-Seed, Seed stages.
- What sectors does Carbon13 focus on?
- Carbon13 focuses on Cleantech, Climate Tech, Energy, Fintech, FoodTech, Impact & Social Good, Mobility & Transportation, New Materials, Sector Agnostic.
- Where is Carbon13 located?
- Carbon13 is headquartered in Cambridge, GB.
Media · Podcasts & interviews
featuring the team"Most active climate tech VC in Europe" - Interview with Carbon13 Cofounder and CSO Michael Langguth
Carbon13 · Michael Langguth
Climate Takes Capital - with Carbon13's Michael Langguth and Min Dhillon
Carbon13 · Michael Langguth
Venture builder in Climate Tech: 150 startups created in 2.5 years. Michael Langguth @ Carbon13
Max Pog + VCs, Family Offices & Venture Studios · Michael Langguth
Delivering impactful Climate Tech with Dr Nicky Dee of Carbon13 - Cambridge Tech Podcast | Acast
Nicky Dee · shows.acast.com
From CO2 to battery graphite: how Astracite went from idea to oversubscribed round
Carbon13
Climate Takes Series A
Carbon13
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