# Carbon13

> Carbon13 is a VC fund in Cambridge backing Biotechnology and Sustainability. See 62 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Cambridge, United Kingdom
- Total investments: 62
- Last investment: Jun 2026
- Lead investor: 60%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/carbon13/
- X (Twitter): https://twitter.com/Carbon13_news
- Website: https://carbonthirteen.com/
- Facebook: https://www.facebook.com/Carbon13-103639568061161/

Carbon13 is a VC fund in Cambridge focused on Biotechnology and Sustainability. Carbon13 is the venture builder for the climate-emergency

## Contacts

5 contacts available for Carbon13. Shizune tracks 11 team members at Carbon13. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/carbon13?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 7 | 11% |
| Sustainability | 7 | 11% |
| Environmental Consulting | 6 | 10% |
| Software | 5 | 8% |
| CleanTech | 5 | 8% |

67 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 45 | 73% |
| Seed | 8 | 13% |
| Grant | 1 | 2% |
| Funding Round | 1 | 2% |
| Convertible Note | 1 | 2% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United Kingdom | 38 | 61% |
| United States | 2 | 3% |
| Spain | 1 | 2% |
| Ecuador | 1 | 2% |
| Germany | 1 | 2% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Michael Langguth | Chief Strategy Officer & Co-founder | 7 | https://shizune.co/investors/profile/michael-langguth |
| Chris Coleridge | Founder and CEO | 1 | https://shizune.co/investors/profile/chris-coleridge |
| Deborah Olaifa | Marketing Manager | 0 | https://shizune.co/investors/profile/deborah-olaifa |
| Fiona Nielsen | Domain Expert - life science startups | 0 | https://shizune.co/investors/profile/fiona-nielsen |
| Jordan Torch | Programme Officer | 0 | https://shizune.co/investors/profile/jordan-torch |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| 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 |  |
| Fermtech | Fermtech provides equipment for precision fermentation companies to scale production processes. Fermtech was founded in 2022 and was headquartered in Oxford, England. | $3.3M | Seed | Apr 07, 2026 |  |
| Fermtech | Fermtech provides equipment for precision fermentation companies to scale production processes. Fermtech was founded in 2022 and was headquartered in Oxford, England. | $3.3M | Seed | Apr 07, 2026 |  |
| TetraxAI | TetraxAI is a clean technology company that provides an AI-powered software platform focused on automating due diligence and risk assessment for renewable energy infrastructure projects. Its core system analyzes extensive project documents, identifying legal, regulatory, land-use, and contractual risks that can affect development and investmentdecisions, helping technical and investment teams evaluate opportunities more quickly and with traceable insights. The platform also combines structured project data and local regulatory intelligence to support market analysis and informed decision-making across wind, solar, battery storage, and other clean energy assets. TetraxAI’s solutions are designed to streamline workflows that traditionally involve manual review of complex documentation, reducing evaluation times from weeks to hours and helping developers, investors, and advisors address risk factors earlier in project lifecycles. The company engages with users to integrate its APIs and tools into existing decision processes and support scalable adoption across energy portfolios. | $1.4M | Pre-Seed | Jan 29, 2026 |  |
| Recycle Roots | Recycle Roots (RR) proprietary technology turns waste biomass into high-value biochar. Our Disposal as a Service (DaaS) model eliminates disposal costs for waste producers while creating a valuable carbon-sequestering product for agricultural and environmental markets. UK and EU generate 250+ million tonnes of hard-to-process liability biomasswaste per year. Disposal costs range from €60-150/t, rising as capacity and legislation tighten. Valuable carbon is lost and reputational risk from mis-management downstream is also a concern. Solution RR’s DaaS model is a turnkey, "hole in the wall" solution that processes waste biomass, on-site, at the point of production, in low-touch, remotely controlled, right-sized containerized units, eliminating handling, transport and downstream disposal costs. By offering DaaS, RR retains title to biochar and by focussing on biochar yield and quality RR generates revenue from premium biochar sales. Units have a minimum 10 year lifecycle, are funded by asset finance, built, deployed and controlled by a blue-chip EPCO partner and operated under a low burden permit. | $263.1K | Pre-Seed | Nov 13, 2025 |  |
| Limetrack | Limetrack is a disruptive food waste technology company that adds value to food waste by efficiently collecting data on it. It puts that data in your hands so you can make SMART decisions. | $421.5K | Seed | Nov 10, 2025 |  |
| Nina Energy | Nina Energy is committed to turning agro-industrial waste into useful materials for food additives, livestock farming, environmental remediation, carbon capture, and renewable energy production. | $268.1K | Pre-Seed | Oct 15, 2025 |  |
| Tenax ai | Tenax ai protects residential property and its insurability from extreme weather. |  | Convertible Note | Sep 24, 2025 |  |
| LEAFYCOLL LTD | LeafyColl is a Cambridge-based AgTech and Engineering Biology company pioneering the collagen proteins made entirely from plants |  | Pre-Seed | Aug 01, 2025 |  |
| Hoopsy | Hoopsy is the future of diagnostic testing. Better testing for you and the planet. Launching plastic-free tests that make results easier to interpret through a companion app, starting with the pregnancy test. | $272.5K |  | Jul 07, 2025 |  |

10 of 62 investments shown.

## Co-investors
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund, 4 deals together
- [SFC Capital](https://shizune.co/investors/profile/startup-funding-club) — VC Fund, 4 deals together
- [AgFunder](https://shizune.co/investors/profile/agfunder) — VC Fund, 3 deals together
- [Big Idea Ventures](https://shizune.co/investors/profile/big-idea-ventures) — VC Fund, 2 deals together
- [Celsius Industries](https://shizune.co/investors/profile/celsius-industries) — VC Fund, 2 deals together
- [Elbow Beach Capital](https://shizune.co/investors/profile/elbow-beach-capital) — VC Fund, 2 deals together

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## FAQ

### What does Carbon13 invest in?

Carbon13 invests primarily in Biotechnology, Sustainability and Environmental Consulting startups, most often at Pre-Seed and Seed stage. Most of the 62 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Carbon13?

Public channels for Carbon13 include LinkedIn, X (Twitter) 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 Carbon13?

The team at Carbon13 includes Michael Langguth (Chief Strategy Officer & Co-founder), Chris Coleridge (Founder and CEO) and Deborah Olaifa (Marketing Manager), among 11 team members tracked by Shizune. 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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