Clean concrete - Zero Carbon Capital leads pre-seed investment in.

We’re thrilled to announce our recent investment in Cambridge-based bio-concrete start-up BioZeroc Ltd.

We use more concrete than any other man-made substance in the world. It’s the backbone of our infrastructure, our houses and much more. Without it, much of the modern world (nor indeed the future world) would exist. Concrete is made by mixing cement and aggregate materials such as rocks and sand. Unfortunately the process for making cement releases a huge amount of CO₂, both from the chemical reaction itself and from the generation of intense heat required to make it happen. As a result, concrete is responsible for 8% of global annual CO₂ emissions.

The industry is exploring many different options to reduce emissions, including improving furnace efficiency and using cleaner fuels as well as different binding materials, but few have the possibility of reducing emissions to zero. In fact, we expect the growth in usage of concrete to outpace the trajectory of current improvements and for emissions from concrete to continue to rise over the coming years.

There are a few ambitious companies looking at completely new processes to make concrete with truly zero emissions. This is exactly what BioZeroc hope to achieve, and indeed, if they are successful in sourcing feedstock chemicals from agricultural waste, the resulting concrete can enable negative emissions.

“BioZeroc’s insight is rooted in nature, where microorganisms create extremely strong structures like coral. We use the power of cutting-edge biotechnology to optimise and scale up a similar bacterial process that binds together the aggregate, replacing the need for conventional cement altogether,” says co-founder Liv Andersson, architect & building physics engineer and BioZeroc’s CEO.


Liv met John Somerville, co-founder and CTO, at Cambridge-based venture builder Carbon13 and we are thrilled to be investing alongside their seed fund and several angels in this round. The total value of the round is over £350k. ZCC’s Pippa Gawley will be taking a board seat at BioZeroc alongside the two founders.

Nicky Dee, Chief Sustainability and Innovation Officer of Carbon13 says “Carbon13 was established to build and support ambitious ventures capable of making a significant impact on greenhouse gas emissions. When Liv and John came together to form BioZeroc we immediately recognised how transformational their bioconcrete could be to delivering net zero and not just incremental change. We are delighted this round of funding comes from Pippa who can support their next phase of growth.”

Welcome BioZeroc to the Zero Carbon Capital family!

Risk to capital

This website is intended solely for professional clients and eligible counterparties.

Zero Carbon Capital Limited is an appointed representative of Sapphire Capital Partners LLP which is authorised and regulated by the Financial Conduct Authority. Sapphire Capital Partners LLP is authorised and regulated by the Financial Conduct Authority (Firm Reference Number 565716). Registered office: 28 Deramore Park, Belfast, BT9 5JU, United Kingdom.

Zero Carbon Capital Limited is registered in England and Wales (Company Number 12028532). Registered office: Lake House, 2 Port Way, Port Solent, Portsmouth, PO6 4TY, United Kingdom. Firm Reference Number 916588. Sapphire Capital Partners LLP is responsible for the regulated activities carried on by Zero Carbon Capital Limited.

This website constitutes a financial promotion for the purposes of section 21 of the Financial Services and Markets Act 2000 and is communicated by Sapphire Capital Partners LLP in its capacity as principal. It is directed only at persons who are professional clients or eligible counterparties, or who fall within exemptions available under the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005. It must not be relied upon by retail clients or any other person. The fund is a closed-ended alternative investment fund structured as a limited partnership.

Nothing on this website constitutes investment

advice, a personal recommendation, or an offer to sell or a solicitation of an offer to buy any securities. Any investment opportunity will be subject to separate legally binding documentation and appropriate investor classification and due diligence.

On this website, "we" refers to the combined activities of Zero Carbon Capital Ltd, Sapphire Capital Partners LLP and the funds they advise and manage. 

Investments in early-stage and growth companies involve a high degree of risk. Capital is at risk and investors may lose the entirety of their investment. The value of investments and any income derived from them can go down as well as up. Past performance is not a reliable indicator of future results. Tax treatment depends on individual circumstances and may change in future.

Where investments are made through arrangements operated by Sapphire Capital Partners LLP under its FCA permissions, eligible claimants may have access to the Financial Services Compensation Scheme (FSCS) subject to the FSCS rules and limits. Not all investment activities or losses are covered by the FSCS.

Any references to sustainability, climate impact, carbon reduction or decarbonisation relate to the investment strategy and objectives of portfolio companies. Such statements are based on current methodologies, assumptions and expectations and are not guarantees of future performance or environmental outcomes.

Risk to capital

This website is intended solely for professional clients and eligible counterparties.

Zero Carbon Capital Limited is an appointed representative of Sapphire Capital Partners LLP which is authorised and regulated by the Financial Conduct Authority. Sapphire Capital Partners LLP is authorised and regulated by the Financial Conduct Authority (Firm Reference Number 565716). Registered office: 28 Deramore Park, Belfast, BT9 5JU, United Kingdom.

Zero Carbon Capital Limited is registered in England and Wales (Company Number 12028532). Registered office: Lake House, 2 Port Way, Port Solent, Portsmouth, PO6 4TY, United Kingdom. Firm Reference Number 916588. Sapphire Capital Partners LLP is responsible for the regulated activities carried on by Zero Carbon Capital Limited.

This website constitutes a financial promotion for the purposes of section 21 of the Financial Services and Markets Act 2000 and is communicated by Sapphire Capital Partners LLP in its capacity as principal. It is directed only at persons who are professional clients or eligible counterparties, or who fall within exemptions available under the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005. It must not be relied upon by retail clients or any other person. The fund is a closed-ended alternative investment fund structured as a limited partnership.

Nothing on this website constitutes investment

advice, a personal recommendation, or an offer to sell or a solicitation of an offer to buy any securities. Any investment opportunity will be subject to separate legally binding documentation and appropriate investor classification and due diligence.

On this website, "we" refers to the combined activities of Zero Carbon Capital Ltd, Sapphire Capital Partners LLP and the funds they advise and manage. 

Investments in early-stage and growth companies involve a high degree of risk. Capital is at risk and investors may lose the entirety of their investment. The value of investments and any income derived from them can go down as well as up. Past performance is not a reliable indicator of future results. Tax treatment depends on individual circumstances and may change in future.

Where investments are made through arrangements operated by Sapphire Capital Partners LLP under its FCA permissions, eligible claimants may have access to the Financial Services Compensation Scheme (FSCS) subject to the FSCS rules and limits. Not all investment activities or losses are covered by the FSCS.

Any references to sustainability, climate impact, carbon reduction or decarbonisation relate to the investment strategy and objectives of portfolio companies. Such statements are based on current methodologies, assumptions and expectations and are not guarantees of future performance or environmental outcomes.