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Carbon13, the Venture Builder for the climate emergency, and SyndicateRoom, the data-driven investment platform, have released an exclusive strategic briefing following their recent joint webinar. Led by Carbon13 Co-founder Michael Langguth and SyndicateRoom Co-founder Tom Britton, the session detailed how Carbon13 SEIS Fund IX is moving beyond "green" niche speculation to capture the industrial and economic shift of 2026.
The webinar highlighted a fundamental shift in the 2026 market: decarbonisation has moved from a vision statement to a core delivery requirement that is economically viable. With the UK climatetech sector projected to grow from $4.4 billion in 2026 to over $44 billion by 2036, the era of speculative software is being replaced by "hard-science" breakthroughs that offer real-world defensibility and a clear path to profitability.
“We are no longer looking for incremental improvements,” stated Michael Langguth. “Fund IX targets the ‘un-copyable’ ventures, those using bioengineering and AI to solve the hard-to-abate challenges in steel, chemicals, and global supply chains.” Rather than a green premium, in many cases, the cost of cleaner, greener technologies is lower in the short and long term.
The webinar highlighted a number of advantages to running a fund alongside a venture studio:
The venture studio advantage: How data shows studio-born startups create 2x the value at 2x the speed compared to traditional models.
Proprietary deal flow: Insight into how two-thirds of Carbon13’s founders are now sourced via direct community referrals, creating an exclusive pipeline for Fund IX investors.
Deep-tech de-risking: How Carbon13 leverages a directory of 400 domain experts and corporate partners like Siemens Energy and Barclays to validate technologies before capital is deployed.
The briefing served as a final call for the Carbon13 SEIS Fund IX, which targets a 3x return (net of fees) by investing in 5–10 pioneering companies. The fund closes on 11 March.
As Tom Britton emphasised, “By closing on 11 March, we enable investors to utilise SEIS carry-back provisions and apply the tax relief to the 24/25 tax year. This allows eligible investors to apply 50% income tax relief to the 2024/25 tax year for investments into these promising industrial leaders.”
If you’d like to learn more about Carbon13 SEIS Fund IX, view the full fund information and download the fund documents here .
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