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Climeworks

Leader

Climeworks is the leading commercial direct air capture company — $1B+ in total equity raised, Mammoth DAC plant operational since May 2024, and $162M more secured in 2025 for technology scale-up.

Best for: Direct Air Capture Carbon RemovalMarket leader
Climate & EnergyDirect Air Capture Carbon RemovalWebsiteUpdated May 2026

Company Overview

About Climeworks

Climeworks is a Swiss company and the global leader in commercial direct air capture (DAC) technology, which extracts CO₂ directly from the atmosphere using modular fan-based systems and stores it permanently underground through mineralization in basalt rock. Founded in 2009 as an ETH Zurich spinout, Climeworks delivered the industry's first certified carbon removals in 2023 and commissioned its Mammoth facility in Iceland — the world's largest operational DAC plant — in May 2024, representing a 10x scale-up from its earlier Orca plant.

Business Model & Competitive Advantage

Climeworks has surpassed $1 billion in total equity funding, including a $162 million round in mid-2025 led by BigPoint Holding and Partners Group — the largest carbon removal investment of 2025 globally. The company sells carbon removal credits directly to corporate buyers including Microsoft, Stripe, Shopify, and Swiss Re as part of their net-zero commitments, and has pioneered the market for high-quality, permanent, and certified carbon removal as a distinct category from lower-quality offsets. Its technology doubles energy efficiency compared to earlier configurations and the company continues to drive cost reduction toward commercial scale.

Competitive Landscape 2025–2026

Climeworks is listed on the SIX Swiss Exchange and operates at the frontier of a carbon removal market that analysts project could reach $80 billion by 2030 and $1 trillion by 2050. The company's permanent mineralization approach — converting CO₂ to stone underground — is considered among the most durable and verifiable methods of carbon storage, differentiating it from biological approaches like reforestation that carry reversal risk.

Founded
2009
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Key Differentiators

Market Leader

Climeworks is recognized as a market leader in the Climate & Energy sector, demonstrating strong industry presence and customer trust.

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