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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

09/08/2026 Press Release PSI enters into a Delisting Agreement with Warburg Pincus; Warburg Pincus announces public delisting acquisition offer for PSI Software SE

Today, PSI Software SE (“PSI” or “Company”) (ISIN: DE000A0Z1JH9, stock exchange symbol: PSAN), a leading global provider of energy and industrial software for the control and optimization of complex systems and processes, and its majority shareholder Zest Bidco GmbH, a holding company indirectly controlled by funds managed by Warburg Pincus LLC…

09/04/2026 Press Release PSI Annual General Meeting elects new members to the Supervisory Board

Berlin, September 4, 2026 – By resolution of the Annual General Meeting held on September 2, 2026, Peter Walter Herweck, Max Fowinkel, and Michael Kunz were elected to the Supervisory Board of PSI Software SE. Peter Walter Herweck was elected Chairman of the Supervisory Board at the subsequent constituent meeting. The six-member Supervisory Board…

07/31/2026 Press Release PSI reports growth in order intake and revenues in the second quarter

The PSI Group increased its consolidated revenues by 4.1% to 138.4 million euros in the first half of 2026 (June 30, 2025: 132.9 million euros). In the second quarter of 2026, revenues rose by 10.7% to 71.9 million euros (April 1–June 30, 2025: 65.0 million euros). Adjusted EBIT, which excludes restructuring and transaction-related costs, was…

For investors Investor Relations

Takeover offer Warburg Pincus

Reasons to invest in PSI?

Corporate News

09/08/2026 Press Release PSI enters into a Delisting Agreement with Warburg Pincus; Warburg Pincus announces public delisting acquisition offer for PSI Software SE

09/04/2026 Press Release PSI Annual General Meeting elects new members to the Supervisory Board

07/31/2026 Press Release PSI reports growth in order intake and revenues in the second quarter

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