About us

KPPK Ziviltechniker GmbH Team illustriert von Bia Grabner 3

Who We Are

Since its founding in 2005, KPPK Ziviltechniker GmbH has grown from a one-person business into a renowned civil engineering office. With our comprehensive technical solution expertise, we offer a broad, interdisciplinary range of services and fully identify with every project we are entrusted with. Our clear focus is on quality, sustainability, and resource conservation. Our mission is to create optimal and enduring value for our clients and for the society in each of our projects.

Leonore Gewessler and Klaus Petraschka at the klimaaktiv award ceremony

Our Values: Responsibility, Sustainability, Innovation

As a klimaaktiv program partner and an EMAS-validated company, we take our social responsibility very seriously. In line with the three pillars of sustainability – economy, ecology, and social responsibility – we are actively committed to a climate-neutral future. With our in-house developed tools R.O.S.E.® and REACT®, we support resource-efficient construction projects and take significant steps toward reducing CO₂ emissions.

KPPK Ziviltechniker GmbH receives the BGF seal of quality from ÖGK

Securing the Future Through Innovation and Cooperation

We promote collaboration at eye level, respectful interaction, and the personal as well as professional development of all our employees. Through targeted advanced training, exciting projects, and a motivating environment, we create space for ideas and individual growth. Our award with the BGF seal of quality confirms our commitment to a healthy and respectful corporate culture.

Office of KPPK Ziviltechniker GmbH 1060 Vienna with brick wall and glass façade

Our Goal: Growing Together and Shaping a Sustainable Future

With a clear vision and high-quality standards, we are already developing solutions today for the challenges of tomorrow. Our work is characterized by innovative strength, open communication, and a deep awareness of environmental and climate protection. Cooperation with our clients is always at the core of our work – together, we realize projects that are ecologically, economically, and socially sustainable.

We build for future generations
Team KPPK Ziviltechniker GmbH
Creating great things together!

Let’s plan together.

Our memberships

Our team at KPPK

  • DI Dr. techn. Klaus Petraschka

    Civil Engineer, Managing Partner, generally sworn and court-certified Expert

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  • Christian Lackner, BSc

    Technical Managing Director, klimaaktiv Expert Partner

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  • DI Roman Flores Espinoza

    Civil Engineer, Managing Partner, klimaaktiv Expert Partner

    Illustrated portrait of a smiling person with glasses and dark blue T-shirt with graphics.
  • DI Ralf Staadt, MLS

    Civil Engineer, Managing Partner

    Illustriertes Porträt mit Brille, Bart und blauem Hemd vor hellem Hintergrund.
  • DI Bernhard Höfer

    Head of Structural Engineering

    Illustriertes Porträt einer Person mit braunem Haar und gestreiftem Pullover in Blau- und Beigetönen.
  • DI Harald Pönninger

    Civil Engineer, Managing Partner

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  • DI Henning Kirmse

    Head of Structural Engineering

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  • DI Thomas Huber

    Head of Fire Prevention Planning, Project Control

    Illustriertes Porträt einer Person mit Bart und blauem Hemd auf hellem Hintergrund.
  • DI (FH) Christian Schwager

    Head of Building Physics, klimaaktiv Expert Partner

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  • DI Nikolaus Peer

    Head of Construction management, Building Construction

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  • DI Tanja Höfer

    Fire Prevention Planning

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  • DI Agnes Schellhorn (former Mairitsch), MSc

    Building Technology, klimaaktiv Expert Partner

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  • DI Dr. techn.Raphael Scharf, BSc

    Structural Engineering

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  • DI Lukas Stöberl

    Structural Engineering

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  • Marlene Winter, MSc

    Building Technology, klimaaktiv expert partner

    Illustriertes Portrait einer Person mit braunen, gewellten Haaren und schwarzem Oberteil.
  • DI Dominik Hörandtner

    Structural Engineering

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  • DI Nino Huemer-Herzele

    Structural Engineering

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  • DI Chiara Kremnitzer

    Structural Engineering

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  • DI Maciej Flasza

    Structural Engineering

    Illustriertes Portrait einer Person mit Bart in beigem Hemd mit Stehkragen.
  • DI Matthias Bernsteiner

    Structural Engineering

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  • DI Ákos László Kótai

    Building Construction

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  • DI Carl Lionel Auböck

    Building Construction

    Illustriertes Porträt einer Person mit dunklem Haar und kppk-Shirt auf hellem Hintergrund.
  • Anna Kohl

    Energy and Environment

    Illustriertes Porträt einer Person mit braunen Haaren und grauem T-Shirt auf hellem Hintergrund.
  • David Piketz

    Energy and Environment

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  • Ing. Gerald Schmiedbauer, BSc

    Building Physics

    Illustriertes Porträt einer Person mit Bart, dunkelblauem Hemd und freundlichem Lächeln.
  • Katarina Milanovic, BSc

    Buildung Physics, klimaaktiv Expert Partner (maternity leave)

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  • Benjamin Bacher, MSc

    Building Physics

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  • DI Florijana Kastrati

    Building Construction

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  • Daria Shatokhina, Bc

    Building Technology

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  • Verena Scheuber

    Fire Prevention Planning

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  • Niklas Möller, BSc

    Structural Engineering

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  • Maciej Marynowski, MSc

    Building Physics

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  • Mariana Aziz, BSc

    Structural Design

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  • Sabrina Kaisler

    Office Management, Accounting

    Illustriertes Porträt einer Person mit kurzem Haar, blauem Blazer und schwarzem Oberteil.
  • David Reckziegel

    Building Construction

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  • Selin Demirel

    Front Office Management

    Illustriertes Porträt einer Person mit dunklen Haaren und rosa Bluse vor hellem Hintergrund.
  • Thomas Wolfsgruber, BA

    Front Office Management

    Illustriertes Porträt einer Person mit Brille, Schnurrbart, Kinnbart und dunkelblauem Poloshirt.
  • Ylvie Kohlmaier

    Front Office Management

    Illustriertes Porträt einer Person mit langen blonden Haaren und bunt gemustertem Pullover.
  • Markus Stiefsohn

    IT Support

    kppk Markus Stiefsohn
  • Sylvia Kohlmaier

    Human Resources, Marketing

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  • Simone Schedl

    Sociale Media Consulting

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  • Bia Grabner

    Graphic Design

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