Retein adapts Nature’s finest separation for use in the recovery of high purity raw materials like lithium, nutrients, and pure water from any accessible water.
Retein has raised €1.0M across 1 funding round from 4 investors, most recently a round in Apr 2023. Based in Gothenburg, Sweden; active in Cleantech. Data as of 7 Aug 2026.
Timing: overdue vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2023-04-21 | Other | €1.0M |
| Butterfly Ventures,Chalmers Ventures,Industrifonden,Navigare Ventures |
| View deal → |
