Top 100 Climate Tech Startups in Europe 2026
The most-funded climate tech, clean tech and clean energy startups headquartered in Germany, France, Sweden, the Netherlands, Spain, Switzerland, Denmark, Finland, Belgium and Austria.
Known total funding for 100 of 100 ranked companies: $21.6B.
Showing top 100 matching companies · Ranked by total funding raised
Example request
curl "https://indexed.vc/api/v1/companies?industries=Climate+Tech,Clean+Tech,Clean+Energy&countries=Germany,France,Sweden,Netherlands,Spain,Switzerland,Denmark,Finland,Belgium,Austria&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"The API industry filter also matches related labels: Cleantech, Sustainability, Energy.
The API has no company type filter, so public companies can appear; this list counts private companies only.
The API cannot leave out companies whose latest round is a grant, private equity or debt financing; this list does.
Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant, Private Equity, Debt Financing are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.
