OverviewSuggest Edit

    ista (also known as ista International, formerly Viterra Energy Services) is a company providing data-based energy efficiency products and services based on a range of metering equipment. It offers a range of products and services that cover the supply, installation, and commissioning of meters accompanied by detailed consumption-dependent billing of energy, water, and ancillary costs. The company also provides digital-based smoke alarm devices and maintenance services.

    HQEssen, DE


    Ista is headquartered in
    Essen, Germany

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    Latest Updates

    Employees (est.) (Jun 2020)5,500
    Cybersecurity ratingBMore

    Key People/Management at Ista

    Thomas Zinnöcker

    Thomas Zinnöcker

    Chief Executive Officer
    Sreenivasa Reddy

    Sreenivasa Reddy

    Technical Director
    Achim Dicke

    Achim Dicke

    Chief Technology Officer
    Karl Kornwolf

    Karl Kornwolf

    Chief Information Officer
    Thomas Lemper

    Thomas Lemper

    Chief Financial Officer
    Hagen Lessing

    Hagen Lessing

    Country Manager Germany & Deputy Chief Executive Officer
    Show more

    Ista Office Locations

    Ista has offices in Essen, Bonn, Delmenhorst, Dortmund and in 86 other locations
    Essen, DE (HQ)
    Luxemburger Str. 1
    Bonn, DE
    Zanderstraße 7
    Delmenhorst, DE
    Reinersweg 32
    Dortmund, DE
    Kleine Beratgerstraße 4
    Dresden, DE
    Hartmut-Dost-Straße 4
    Essen, DE
    Paul-Klinger-Straße 7-11
    Show all (91)

    Ista Online and Social Media Presence

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    Ista Frequently Asked Questions

    • When was Ista founded?

      Ista was founded in 1902.

    • Who are Ista key executives?

      Ista's key executives are Thomas Zinnöcker, Sreenivasa Reddy and Achim Dicke.

    • How many employees does Ista have?

      Ista has 5,500 employees.

    • Who are Ista competitors?

      Competitors of Ista include Schneider Electric, Kamstrup and Itron.

    • Where is Ista headquarters?

      Ista headquarters is located at Luxemburger Str. 1, Essen.

    • Where are Ista offices?

      Ista has offices in Essen, Bonn, Delmenhorst, Dortmund and in 86 other locations.

    • How many offices does Ista have?

      Ista has 91 offices.