What is the difference between ITSM and ESM?

Basically what the topic says. I’m not sure what the difference between ITSM and ESM is and how they relate to each other.

Hi there!
It can certainly be difficult to distinguish between ITSM and ESM.
Explaining the difference could mean quite a lengthy message though, so I would recommend reading the following blog article where it’s all explained in detail:
Modern ITSM as inspiration for organization-wide Enterprise Service Management (ESM)