De or het teamcoaching?

The correct Dutch article is:

de teamcoaching

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) begeleidingsvorm waarbij een coach een groep medewerkers helpt om effectiever samen te werken, de onderlinge communicatie te verbeteren en collectieve doelen te bereiken.

How to use teamcoaching

the teamcoachingde teamcoaching
this teamcoachingdeze teamcoaching
that teamcoachingdie teamcoaching
our teamcoachingonze teamcoaching
your teamcoachingjouw teamcoaching
every teamcoachingelke teamcoaching
which teamcoaching?welke teamcoaching?
a big teamcoaching / the big teamcoachingeen grote teamcoaching, de grote teamcoaching

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).