Climeworks, based in Zurich, runs the Orca and Mammoth direct air capture plants in Iceland and stores the CO2 in rock with Carbfix. Mammoth, rated at 36,000 tonnes a year, delivered 675 tonnes of net removal in the first half of 2026 as Climeworks installs its third-generation collectors.
At a glance
| Price from | Custom |
| Best for | Companies buying permanent carbon removal |
From Climeworks's own website.
What stands out
- Longest track record in direct air capture
- Permanent storage in rock
Worth knowing
- Output far below design capacity so far
- High cost per tonne
How it ranks
Climeworks is ranked 5th of 10 in Best Carbon Capture Companies (Lister Score 92.0).
#5 in Best Carbon Capture Companies · Lister Score 92.0
Climeworks raised $162 million in July 2025, taking its total funding above $1 billion..
| Rank | Best Carbon Capture Companies | Score |
|---|---|---|
| 1 | ExxonMobil Low Carbon Solutions | 97.0 |
| 2 | 1PointFive (Occidental) | 95.8 |
| 3 | Northern Lights | 94.6 |
| 4 | SLB Capturi | 93.3 |
| 5 | Climeworks | 92.0 |
| 6 | Svante | 90.7 |
| 7 | Carbfix | 89.3 |
| 8 | Charm Industrial | 87.9 |
| 9 | Heirloom | 86.5 |
| 10 | Deep Sky | 85.1 |
Frequently asked questions
How does Climeworks rank on Lister?
Climeworks is ranked 5th of 10 in Best Carbon Capture Companies (Lister Score 92.0).
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