Climeworks Current · Verified less than 14 days ago · Last verified: Oct 18, 2026

Climeworks: $5.5B valuation, IPO Readiness 60, Series J. Climeworks is the Swiss direct air capture company removing CO2 from the atmosphere at industrial scale — the . Track live on The IPO Stack.

Series JClimate & Energyprivate
60
/100
IPO Readiness Score
Grade C — Moderate IPO Readiness
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
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Climeworks is the Swiss direct air capture company removing CO2 from the atmosphere at industrial scale — the category leader in carbon removal technology. Valued at $2B with $600M+ raised, Climeworks has delivered permanent carbon removal for 1,000+ customers including Microsoft, Shopify, and the Swiss government. Major climate tech IPO candidate as the voluntary carbon market and corporate net-zero commitments drive demand for verified carbon removal at gigaton scale.

Valuation
$5.5B
Total Funding
$1.98B
Stage
Series J
Sector
Climate & Energy
Headquarters
Zurich, Switzerland
CEO
Jan Wurzbacher
IPO Status
private

Funding History

March 2018
Series A
$11M
November 2020
Series B
$75M
January 2022
Series C
$110M
February 2024
Series D
$650M
June 2026
Series J
$1.2B
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Track Climeworks IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is Climeworks going public? +

Climeworks has not publicly announced IPO plans. Track TechStackIPO for the latest signals and subscribe to The IPO Stack for weekly updates.

What is Climeworks's current valuation? +

Climeworks is valued at $5.5B as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in Climeworks before IPO? +

Accredited investors can access Climeworks shares through secondary market platforms, pre-IPO investment funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace tracks available access options. Note: pre-IPO investments carry higher risk and limited liquidity compared to public market investing.

What is Climeworks's IPO Readiness Score? +

Climeworks scores 60/100 (Grade: C) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.

How much total funding has Climeworks raised? +

Climeworks has raised $1.98B in total venture capital and private equity funding, with backing from Swiss entrepreneurs, Global Founders Capital, Partners Group.

Who are Climeworks's key investors? +

Climeworks's notable investors include Swiss entrepreneurs, Global Founders Capital, Partners Group, Balderton Capital. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.

What sector is Climeworks in? +

Climeworks is a Climate & Energy company. Climeworks is the Swiss direct air capture company removing CO2 from the atmosphere at industrial scale — the category l.

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