simus systems is a company based in Karlsruhe.

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simus systems is a leading software expert in efficient master data management, classification of CAD data and cost calculation during the design process.

simus systems provides innovative software solutions for data quality and processing technical mass data since 2002. The founders, Dr. Harald Kunze and Dr. Arno Michelis, continue to work on the success of the company as Managing Directors.

simus systems developed the only patented solution for the classification of CAD data worldwide. More than 300 projects with about 200 clients have already been implemented successfully.

simus systems is an independent German company, based in Karlsruhe. simus systems is well-connected but can provide 100% of specialist technical knowledge in-house.

Our project managers are experienced engineers, who see eye-to-eye with the project leaders from the industry to ensure a time and cost effective implementation based on extensive experience with renowned customers, predominantly from the fields of mechanical engineering, construction of plants, automotive and electrical engineering.

More than 350

projects have been implemented successfully.

More than 220

clients optimize their processes with simus systems software.

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How do we work?


We offer tailored solutions adapted to meet our customers’ individual needs.


We implement challenging projects in collaboration with our customers in order to achieve sustainable and transparent solutions. Long-term support is, of course, a fundamental part of our service.


No matter if it is about predictable costs, traceable results or discrete processing of sensitive data: You can rely on our reliability.