i see a lot mba programms in hochschule in germany and many proffesionls going into this hochschule to pursue their mba part-time while working full-time.
are hochschule the same with a university? how companies recognize them?

Hochschulen is the world for higher educaiton institute, and is most often used by Fachhochschulen: vocational schools used often for in-service education (Dual studies). They are below the universities. Try searching the board for Fachhochschule/n.

What do u mean by saying the board ?

This discussion board here. It has a search engine at https://find-mba.com/board