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PSI is a leading global supplier of process control software solutions for utilities and industry.

Takeover offer Warburg Pincus

PSI Software SE enters into Investment Agreement with Warburg Pincus to accelerate growth.

With innovative products, we enable our customers to utilise labour, energy and natural resources in an economical, socially responsible and environmentally friendly manner and provide them a competitive advantage. This will create a long-term value for our customers and share-holders and develop long-term growth opportunities for PSI.

Reasons to invest in PSI?

Leading supplier of process control software solutions with a clear sector focus
Excellent market position in the home market and tremendous growth opportunities in international markets
Competitive advantage through more than 50 years of experience and specialisation in selected industries and markets
High growth potential through positioning in growth markets and future technologies such as Smart Grid, energy and resource efficiency
Clear strategy, focused on sustainable value creation

Corporate News

03/18/2026 Press Release PSI postpones the release of its 2025 annual and consolidated financial statements until the end of April 2026

PSI Software SE is postponing the publication of its complete and audited 2025 annual and consolidated financial statements, originally scheduled for March 31, 2026. The reason for the postponement is the final assessment of accounting facts relating to the Investment Agreement of October 2025.

03/12/2026 Press Release PSI develops value-added services in the cloud as part of the CloudEnerChain joint project

PSI Software SE is participating as a partner in the CloudEnerChain joint project (cloud-based interoperability in energy systems through a secure chain of trust from field devices to control systems to the cloud). The project, which is funded by the German Federal Ministry for Economic Affairs and Energy (BMWE), aims to research and demonstrate…

02/10/2026 Press Release PSI presents its new corporate design

As part of its strategic realignment, PSI Software SE has refreshed its corporate design. The new, modern look aligns the visual identity with the company’s technological excellence, in-depth industry knowledge, and strong customer focus.

Overview of all press releases