Draft:PSI Software


PSI Software SE
FormerlyPSI Software AG
Company type
Aktiengesellschaft
IndustrySoftware, energy
Founded1969; 57 years ago (1969)
FounderHermann Sihn
HeadquartersBerlin, Germany
ProductsPSIglobal[1], PSIcontrol[2]
Revenue€327 million (2022)
Number of employees
Appr. 2,350 (2025[3])
Websitepsi.de

PSI Software SE is a German company that develops software to help manage energy systems, production processes, logistics and infrastructure.[4][5]

Based in Berlin, the company focuses on automation and digitalization solutions, mainly for the industrial infrastructure.[6][7]

History

PSI Software AG was founded in 1969 by Hermann Sihn.[8] Over the decades, it has expanded its product portfolio from basic software solutions to advanced systems supporting digital transformation, particularly in energy and manufacturing industries.[9][10] The company is publicly traded on the Frankfurt Stock Exchange.[11]

Market and customers

PSI serves a diverse range of industries, primarily in Europe but also internationally.[12][13]

References

  1. ^ "PSIglobal". psi.de. 22 December 2025.
  2. ^ "PSIcontrol". psi.de. 12 June 2025.
  3. ^ "PSI SOFTWARE SE". Marketscreener.com. 17 May 2025.
  4. ^ "PSI Software - Softwareentwicklung". LinkedIn (in Dutch). 4 October 2025.
  5. ^ "PSI Software SE". pipeline-conference.com. 21 February 2026.
  6. ^ "PSI Software AG". House of Energy. 12 August 2023.
  7. ^ "Warburg Pincus deepens European push with €700m takeover of PSI Software". pe-insights.com. 25 February 2026.
  8. ^ "PSI Software SE (PSAN.DE)". finance.yahoo.com. 30 December 2025.
  9. ^ "PSI Software SE - About the company". markets.ft.com. 12 June 2025.
  10. ^ "Stock PSI Software AG". Saxo. 17 May 2024.
  11. ^ "PSI Software SE - ISIN: DE000A0Z1JH9 | WKN: A0Z1JH | Symbol: PSAN | Type: Equity". Boerse-frankfurt.de. 4 October 2025.
  12. ^ "PSI Software SE – Business Unit Logistics". logisticshalloffame.net. 24 February 2026.
  13. ^ "Interview with Robert Klaffus, CEO, PSI Software SE". Hannovermesse (in German). 8 December 2023.

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