De or het teamadministratie?

The correct Dutch article is:

de teamadministratie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use teamadministratie

the teamadministratiede teamadministratie
this teamadministratiedeze teamadministratie
that teamadministratiedie teamadministratie
our teamadministratieonze teamadministratie
your teamadministratiejouw teamadministratie
every teamadministratieelke teamadministratie
which teamadministratie?welke teamadministratie?
a big teamadministratie / the big teamadministratieeen grote teamadministratie, de grote teamadministratie