Optiml aims to help property owners and consultants to identify the best cost and carbon strategies for their buildings
Optiml has raised €13M across 4 funding rounds from 8 investors, most recently a round in Feb 2026. Based in Zurich, Switzerland; active in Cleantech. Data as of 6 Aug 2026.
Timing: too soon vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
| Date |
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| Stage |
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| Amount |
|---|
| Investors |
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| 2026-02-17 | Other | €8.0M | BitStone Capital,Business Angels,Innovation Endeavors,KOMPAS VC,Planet A Ventures,The Bau Ventures | View deal → |
| 2024-08-21 | Pre-Seed | €3.6M | BitStone Capital,KOMPAS VC | View deal → |
| 2023-05-09 | Pre-Seed | €1.6M | German investors,Silicon Valley | View deal → |
| 2023-04-25 | Other | — | Innovation Endeavors,Planet A Ventures | View deal → |
