De or het loopbaancoaching?

The correct Dutch article is:

de loopbaancoaching

Rule Words ending in -ing: almost always de. See the rule

How to use loopbaancoaching

the loopbaancoachingde loopbaancoaching
this loopbaancoachingdeze loopbaancoaching
that loopbaancoachingdie loopbaancoaching
our loopbaancoachingonze loopbaancoaching
your loopbaancoachingjouw loopbaancoaching
every loopbaancoachingelke loopbaancoaching
which loopbaancoaching?welke loopbaancoaching?
a big loopbaancoaching / the big loopbaancoachingeen grote loopbaancoaching, de grote loopbaancoaching