02.04.2026

SIG: 70% C-parts procurement automated with simple system

For many purchasing departments, digitalization ends where services begin. Products are comparatively easy to procure via a B2B e-procurement platform, but local services such as maintenance, cleaning, or painting work are often still handled manually, by phone or email, and outside of structured processes. This media break costs time, increases maverick buying, and reduces transparency across indirect spend. SIG faced precisely this challenge: in addition to products, services also needed to be procured entirely via a central platform — without sacrificing efficiency, compliance, or transparency.

The solution

With simple system, SIG found a B2B procurement platform that not only covers classic C-parts and MRO purchasing, but also makes it possible to standardize complex service processes end-to-end. Thanks to the uncomplicated integration into the existing ERP and system landscape, the introduction went quickly and smoothly. Customized internal catalogs are a central element of the solution. This allows even complex local service processes to be structured, requested, and handled in a fully standardized manner. Today, SIG uses simple system to procure from around 20 directly connected suppliers as well as over 50 suppliers in the company's own catalog, consistently covering services as well as physical goods.

The approximately 300 active users at SIG particularly appreciate this:

  • the comprehensive article search

  • the independent user group management

  • Connection to the merchandise management system

  • Simple and intuitive operation for internal customers and purchasers

Result

Thanks to the smooth interaction between simple system and the merchandise management system, SIG was able to automate almost 70% of operational C-parts purchasing. The capacities freed up as a result now flow into value-adding strategic category management and supplier development — turning procurement from a cost center into a true business enabler.

Since we were able to significantly increase the efficiency of our purchasing department with simple system, among other things, the platform offers us considerable added value, so we definitely recommend simple system.
Mark Appun SIG Group AG
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