The Team of 4cost

4cost is a GmbH headquartered in Berlin and other locations near Frankfurt am Main. We are an agile team of engineers and technicians with expertise in the fields of construction, development, production, programming as well as project management.

Our goal is to build the world-wide calculation standard of the future – with Super Tools, which will enable all practitioner to enjoy and qualify the user to create something unique.

4cost has three shareholders, who run the company jointly: Joachim Schöffer as Managing Director, Herbert Spix as Head of Consulting and Thomas Przybilla for Development. Since 1992 our model aces exists for the parametric cost estimation calculations. In the field of calculation (bottom-up) and cost estimation (parameterization), we have worked together successfully for many years before we founded 4cost GmbH in 2008 as a logical consequence of our work.

Joachim Schöffer
(Managing Director
and shareholder)

As managing director, he brings specific skills and competence in the marketing of software products as well as extensive technological know-how.

From more than seventeen years in the detailed calculation and over fifteen years as a consultant of the parametric cost estimation with the model aces.

Herbert Spix


Since 1990, he has been developing the aces model together with Thomas Przybilla. His experience covers over three decades in the field of parametric cost estimation, as well as a broad knowledge spectrum in electronics, mechanical engineering and production processes.

He stands for the development of the parametric in Europe. Insider gave him the title “Silverback of the parametric”.

Thomas Przybilla


Since 1990, he has been developing and programming the parametric model aces and is decisively driving our product development with his visionary thinking.

His expertise in software development and life cycle analysis (LCC) is particularly valuable for 4cost.


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