# Hera Group acquires Sostelia for €138M

Hera Group signed a binding agreement to purchase 100% of STA and related stakes in Sostelia Group companies for an enterprise value of €138 million. The acquisition strengthens Hera's position in industrial and civil water treatment.

- Type: Acquisition
- Announced: 2026-01-19
- Where: Italy
- Value: $150.0M (138.0M EUR)
- Status: announced
- Products: water treatment technologies and services
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Hera](https://endata.com/companies/794.md) (acquirer)
- [Sostelia Group](https://endata.com/companies/89727.md) (target)
- [S.T.A. Società Trattamento Acque](https://endata.com/companies/89898.md) (target)
- [Xenon Fidec](https://endata.com/companies/89899.md) (partner)

## Sources

- [eng.gruppohera.it](https://eng.gruppohera.it/-/hera-group-acquires-sostelia-and-becomes-italy-s-leading-player-in-water-treatment), 2026-01-19: "Hera Group, one of Italy's largest multiutilities, further strengthens its leadership in the environmental sector, in particular in the treatment of civil and industrial water, thanks to the binding agreement signed today for the purchase of 100% of STA and the related stakes in the subsidiaries tha"
- [lcalex.it](https://www.lcalex.it/hera-acquisisce-il-gruppo-sostelia/), 2026-01-26: "Hera S.p.A. has acquired 100% of S.T.A. Società Trattamento Acque S.p.A. and its subsidiaries."

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