# Bundeskartellamt clears Kemira's acquisition of Sidra Wasserchemie

The German Bundeskartellamt cleared the acquisition of Sidra Wasserchemie GmbH by Finnish water treatment chemicals supplier Kemira Oyj following an in-depth examination. The merger was cleared on 18 September 2026.

- Type: Acquisition
- Announced: 2026-09-18
- Where: Germany
- Status: completed
- Products: water treatment chemicals, iron salts, aluminium salts
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Kemira Oyj](https://endata.com/companies/16014.md) (acquirer)
- [SIDRA Wasserchemie](https://endata.com/companies/90282.md) (target)

## Sources

- [bundeskartellamt.de](https://www.bundeskartellamt.de/SharedDocs/Meldung/EN/Pressemitteilungen/2026/09_16_2026_Kemira_Sidra.html), 2026-09-18: "The Bundeskartellamt has today cleared plans by the Finnish water treatment chemicals supplier Kemira Oyj, Helsinki, to acquire Sidra Wasserchemie GmbH, Ibbenbüren, following an in-depth examination under competition law."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.