M-Exchange is continually gaining new clients, and in this way always developing our innovative procurement solutions. Our experienced partners benefit from this mutual cooperation: we work together to build successful business relationships that endure. Thanks to our network of top-quality partner companies, we are always ready to offer our clients the highest level of service.


KISTERS is one of the leading systems suppliers in the areas of water and energy, air quality and meteorology.


Our affiliate PSG is an expert in professional, efficient procurement, developing integrated solutions for operational purchasing: the PSG Shop, eProcurement, and Spot Buy.

VKU e. V.

Supporting community energy providers nationwide, the German Association of Local Utilities (VKU) trusts M-Exchange to take care of their needs.

WV Energie AG

WV Energie AG is jointly founded by a cooperation of municipal utilities. WV: committed to secure, modern energy and raw materials – for more than 100 years.

em.serv GmbH

em.serv, a joint venture of municipal utilities, provides comprehensive services for the professionalisation of energy sales and distribution.

Optimal Systems

OPTIMAL SYSTEMS is a leading expert for software solutions for Enterprise Content Management (ECM) helping companies to plan and implement their processes more effectively and rapidly.

Allocation Network GmbH

Allocation Network ist einer der führenden Experten für die Automatisierung und Vereinfachung Ihrer Unternehmensbeschaffung. ASTRAS ist das integrierte Lieferantenportal und Ausschreibungssystem.

Allocation Network is a leading expert for automation and simplification for your procurement. ASTRAS is the integrated Supplier and procurement platform.