# Eiffage Énergie Systèmes acquires HTW Ingenieure GmbH

Eiffage Énergie Systèmes, through its German subsidiary Salvia, completed the 100% acquisition of HTW Ingenieure GmbH, an engineering consultancy based in Düsseldorf, Germany. HTW generated nearly €10 million in revenue in 2024.

- Type: Acquisition
- Announced: 2026-02-02
- Where: Düsseldorf, Germany, Germany
- Status: completed
- Products: engineering consultancy services for water treatment, HVAC, electrical engineering, security systems, and BIM modelling
- Sectors: [HVAC and Industrial Refrigeration](https://endata.com/sectors/hvac-refrigeration.md), [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md), [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [Eiffage Énergie Systèmes](https://endata.com/companies/77481.md) (acquirer)
- [HTW Ingenieure GmbH](https://endata.com/companies/90234.md) (target)

## Sources

- [coolingpost.com](https://www.coolingpost.com/world-news/eiffage-acquires-french-and-german-contractors/), 2026-02-09: "Last week, Eiffage Énergie Systèmes, through its German subsidiary Salvia, strengthened its presence in Germany with the 100% acquisition of HTW Ingenieure."

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