@kotzendekrabbe
@VGSDeV If you work as a contractor (aka
Freiberufler) you are generally not required to pay social security. Is that
what you mean with "main freelance contractor"? However, if you work exclusively
for one client, you have to pay, yes:
https://www.deutsche-rentenversicherung.de/DRV/DE/Experten/Arbeitgeber-und-Steuerberater/summa-summarum/Lexikon/S/selbstaendige_mit_nur_einem_auftraggeber.html