Top 50 Biochar in Europe

Husk Ventures converts rice husk into organic biochar through a pyrolysis process, enhancing soil quality by improving moisture retention, nutrient adsorption, and microbial activity. This technology addresses soil degradation and low crop yields for smallholder farmers, enabling them to achieve higher productivity and resilience against climate change.

NetZero specializes in large-scale biochar production from agricultural residues, providing a high-permanence method for carbon removal that enhances soil quality and reduces fertilizer use. This approach addresses climate change, supports sustainable agriculture, and fosters rural development by increasing farmer income and generating renewable energy.

Bio-Logical develops nature-based carbon removal projects through the production of biochar from waste and invasive species. This biochar is integrated into an organic fertilizer, Asili, which regenerates farmland and boosts crop yields for smallholder farmers. The company's circular economy model sequesters atmospheric CO2 while building climate resilience and improving livelihoods in vulnerable communities.

Cotierra manufactures a reactor that converts coffee waste into premium biochar for carbon sequestration and soil health improvement. It pairs the biochar with agronomic guidance and IoT‑enabled monitoring to optimize application, reduce fertilizer use, and boost crop yields. The company also provides verified emission‑reduction data through a standardized verification process.

Carbo Culture develops proprietary Carbolysis™ reactors that convert waste biomass into stable biochar, effectively sequestering carbon for centuries while generating renewable energy. This technology provides a scalable solution for carbon removal, addressing the urgent need to reduce atmospheric CO2 levels and combat climate change.

MASH Makes utilizes a scalable pyrolysis and gasification platform to convert agricultural residues into biochar and biofuel, while generating carbon removal credits. This technology has the potential to remove one gigaton of carbon dioxide from the atmosphere by 2040, addressing climate change and enhancing soil health.

HyveGeo utilizes microalgae cultivation and engineered biochar to convert wasted resources, such as unused desert land and wastewater, into effective carbon removal solutions and biofertilizers. This process enhances soil quality and plant resilience, addressing the challenges of arid land degradation and food security while sequestering carbon for long-term climate benefits.

PyroCCS provides comprehensive Biochar Carbon Removal (BCR) solutions tailored for deployment in the Global South. The company delivers plug-and-play packages that include robust pyrolysis machinery, dMRV+ tracking software, and carbon credit certification services. This offering enables clients to rapidly establish profitable BCR projects and generate high-integrity carbon credits from agricultural and industrial waste biomass.

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Klimate provides a platform for companies to invest in carbon removal projects, utilizing methods such as biochar production and microbial carbon mineralization to offset unavoidable emissions. By offering a curated portfolio of scientifically vetted projects, Klimate enables businesses to achieve measurable sustainability goals while contributing to climate change mitigation.

This startup manufactures climate technology products that utilize advanced carbon capture and energy efficiency systems to reduce greenhouse gas emissions. By providing measurable solutions, the company enables clients to meet their sustainability targets and contribute to global climate initiatives.

Paneco Ambiente provides biotechnologies for environmental remediation and protection. Their solutions improve soil health, air quality, and water management through eco-sustainable bio-based products for agriculture, industry, and public spaces.

This company operates a marketplace for sourcing, creating, and guaranteeing the supply of permanent carbon removal solutions for corporate buyers. They focus on high-quality, vetted projects across methods like biochar, BECCS, and direct air capture to meet net-zero procurement demands. Supercritical mitigates delivery risk through buffer pools and pre-vetted pathway alternatives, ensuring reliable carbon removal delivery.

Provides a climate platform for businesses to fund verified carbon removal and avoidance projects, including reforestation, biochar production, and blue carbon restoration. By enabling measurable reductions of over 3 million tonnes of CO2e and supporting biodiversity, it helps companies meet sustainability goals and comply with climate standards like SBTi.

HempConnect uses industrial hemp and pyrogenic carbon capture to remove carbon from the atmosphere. Their process produces climate-positive plant-based proteins, biochar, and renewable electricity.

Kairos Carbon converts challenging, low-quality organic waste streams into valuable commodities through a self-powering reaction. This process recovers carbon dioxide, clean water, and essential minerals while generating durable, high-quality carbon removal credits. The company provides building blocks for circular use across various industries.

Cawa provides businesses with a transparent platform to purchase and track high-quality, vetted carbon removal credits. The service offers full traceability of investments, detailed project data, and reporting tools for sustainability documentation. Companies can automate offsetting through an API or secure future credits via offtake agreements.

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MYCEEN develops carbon-negative materials by cultivating mushroom mycelium and incorporating organic industrial byproducts, creating a high-performing, sustainable alternative to plastics and composites. This process not only valorizes waste materials but also contributes to reducing carbon emissions in the manufacturing sector.

Climeworks provides a managed carbon removal service that combines engineered Direct Air Capture facilities with vetted nature‑based projects into a single, risk‑mitigated portfolio. All removals are third‑party certified, permanently stored in geological formations or long‑lived ecosystems, and delivered through a unified contract with real‑time reporting via a cloud dashboard. The solution targets corporate sustainability teams and other buyers seeking verified, scalable offsets for net‑zero commitments.

CarbonWorks utilizes large-scale microalgae cultivation technology to convert carbon dioxide emissions into renewable raw materials for agriculture and industry. This process addresses the reliance on fossil fuels by providing sustainable alternatives for various applications, including food, cosmetics, and biobased chemistry.

The startup develops a climate technology that converts organic waste streams into high-quality raw materials while capturing and utilizing atmospheric CO2. This process reduces greenhouse gas emissions and fossil raw material dependency, enabling companies to lower their carbon footprint and mitigate environmental impact.

The startup utilizes engineered microbes to enhance nutrient uptake and increase crop resilience against pests, improving soil health and agricultural productivity. This technology addresses soil degradation and reduces reliance on chemical fertilizers in conventional farming practices.

The startup develops bio-sourced and biodegradable microcapsules that encapsulate beneficial microorganisms, enabling their active release in agricultural fields. This technology enhances soil health and biodiversity while promoting sustainable farming practices and increased agricultural productivity.

The startup develops a low-carbon process that transforms difficult-to-recycle organic waste, such as paper cups, into carbon-rich adsorbents that enhance biogas production and promote plant growth. This technology enables farmers to achieve higher crop yields and increased profitability by utilizing waste materials effectively.

TREEO offers a technology platform that enables the accurate measurement and verification of carbon dioxide removals from nature-based projects. This platform provides transparent data on carbon sequestration, supporting the development of high-integrity carbon credits and empowering tree growers.

This startup recycles food waste and animal manure through anaerobic digestion and composting to produce biofertilizers, biogas, and green CO2. By converting organic waste into valuable resources, the company addresses the issues of waste management and soil degradation in the region.

The startup produces crude lignin oil and crude sugar oil from agricultural and forestry residues, providing a bio-based alternative to fossil fuels for the petrochemical industry. This sustainable raw material can replace fossil crude oil in the production of materials, chemicals, and fuels, offering a renewable source for companies seeking to reduce their carbon footprint.

Terrawaste utilizes proprietary hydrothermal liquefaction technology to convert diverse waste streams, including mixed plastics and organic matter, into valuable bio-crude oil, biochar, and chemicals. This process offers a sustainable solution for waste valorization, enabling businesses to reduce landfill waste and create new revenue streams from byproducts.

Vow Green Metals produces sustainable biocarbon using electric-powered pyrolysis reactors, offering a carbon-neutral alternative for the metallurgical and industrial sectors. Their process also captures and utilizes surplus energy for district heating, supporting decarbonization efforts.

Reduciner provides an electrically heated reactor that converts captured CO₂ and biochar into a CO‑rich syngas and high‑quality activated carbon at the emission source, achieving over 90% conversion efficiency. The dual output creates low‑cost fuel or chemical feedstock and premium filtration material, allowing carbon‑intensive industries to lower emissions, reduce fuel costs, and generate new revenue without major retrofits.

Hiil manufactures energy-free wood modification technologies that create durable, charred wooden surfaces from timber industry byproducts. This process enhances the wood's natural resistance to environmental damage while minimizing waste and energy consumption.

Puro.earth offers a marketplace and registry for verified carbon removal certificates (CORCs). The platform connects corporations with suppliers of durable carbon sequestration solutions, enabling them to purchase CORCs that meet the rigorous Puro Standard for net-negative emissions.

This startup produces biochar from waste resources through pyrolysis, facilitating the de-carbonization of industrial processes. Their biochar enhances soil water retention and microbial growth, improving agricultural productivity in low-fertility and degraded soils while generating renewable energy.

The startup manufactures plant-based concrete and biomimetic construction materials that utilize bio-based inputs and circular economy principles. This approach provides businesses with sustainable alternatives for waste management and construction, reducing reliance on traditional, environmentally harmful materials.

ONYM produces bioenergy and bioproducts with a focus on minimizing carbon footprint throughout their lifecycle. They specialize in generating sustainable alternatives to traditional energy sources and materials.

Cula Technologies provides a digital infrastructure platform that integrates operations management and measurement, reporting, and verification (MRV) software for carbon removal projects. This technology enables real-time tracking and certification of carbon removal processes, ensuring transparency and accountability in the generation of high-quality carbon credits.

Smallops produces high-quality iron nanoparticles encapsulated in carbon using hydrothermal carbonization, enabling their application in wastewater treatment, biogas production, and soil enhancement. The company transforms agricultural waste into valuable products, addressing the challenges of waste management and environmental remediation.

RecyCoal produces biochar from biomass pyrolysis, creating a stable carbon material that permanently sequesters atmospheric CO₂. This biochar also improves agricultural soil structure, water retention, and nutrient availability, enhancing crop yields.

The startup develops bio-based aromatics by converting biomass residues into chemical ingredients that serve as essential raw materials for coatings, adhesives, and insulating foam. This process provides a sustainable alternative to fossil-derived aromatics, enhancing product performance while reducing reliance on non-renewable resources.

Capchar provides a proprietary kiln technology for on-farm biochar production, converting low-grade wood chips into a stable, carbon-rich material through pyrolysis. This process sequesters carbon in soil, enhances soil fertility, and creates new revenue streams from biochar carbon units, addressing the need for sustainable agricultural practices and climate change mitigation.

The startup operates an environmental platform that enables project developers to effectively manage and allocate community benefits through data-driven decision-making tools. This platform addresses the challenge of ensuring equitable distribution of resources and support to local communities impacted by development projects.

Residua Biocircular develops advanced processes for organic waste valorization, transforming waste into biofuels, organic fertilizers, and bio-based chemicals while minimizing landfill use and greenhouse gas emissions. By employing biotechnology and nanotechnology, the company enhances resource recovery and promotes a circular economy, ensuring maximum value extraction from organic materials.

Macrocarbon cultivates pelagic seaweed to produce carbon-negative biomass, creating drop-in replacements for aviation fuels and plastic precursors. Their integrated approach de-risks large-scale ocean biomass production, sequestering CO2 and supporting a blue bio-economy.

BCHAR provides turn-key biochar production systems that convert agricultural waste into carbon‑negative biochar. The integrated hardware and MRV software automate the process from feedstock intake to carbon credit verification, ensuring transparent carbon removal. Their solutions help agribusinesses meet sustainability targets while improving soil health.

This startup manufactures biofertilizers by utilizing advanced technology to identify optimal plant-bacteria combinations tailored to specific soil types and high-protein crops. Their products enhance crop yields while reducing reliance on chemical fertilizers, promoting sustainable agricultural practices.

Carbon Standards International AG provides carbon accounting and verification technologies that enable organizations to track, report, and optimize their carbon footprints. The company offers standards and tools for climate-neutral practices in agriculture and industry, facilitating measurable reductions in greenhouse gas emissions and enabling financial recognition for climate services.

Chlydro cultivates microalgae to produce sustainable biomass for biofertilizers and food products while capturing atmospheric CO₂ and purifying contaminated water. This technology addresses climate change, water scarcity, and food security by offering a negative carbon and water footprint solution.

Nitroterra develops customized microbial biofertilizers that enhance soil health and improve crop yields while reducing reliance on synthetic fertilizers. The startup addresses soil degradation and nutrient depletion by utilizing data-driven formulations tailored to specific soil and crop conditions, resulting in cost savings and increased nutrient density in food production.

C-Green utilizes hydrothermal carbonization (HTC) technology to convert wet biowaste into sterile, dry biocoal, effectively addressing the challenge of massive sludge disposal from wastewater treatment. This process not only eliminates greenhouse gas emissions but also recovers valuable nutrients, providing a sustainable energy source and reducing overall disposal costs.