At the HEX Paris Executive Education are offering an special program on Managing Services: the Advanced Certificate in Services. They say:

Approximately 70% of the output of industrialized economies originates in the service sector

Yet most management theory finds its origins in work developed by studying traditional manufacturers. 
Despite this, best practices for services are clearly established, and these have led to the development of cutting edge theories over the last three decades. Illustrating these theories through realworld case examples will be at the heart of the program.

More information:

The SM Board is the ServiceManagers.Org Committee of Experts on Service Management. It is formed by top referent experts globally recognized. The SM Board directs and performs quality control and assurance in the SM-Org community.