On 26 August 1786 Wöllner was appointed privy councillor for finance (Geheimer Oberfinanzrath), and on 2 October 1786 was ennobled.
La 26 august 1786 Wöllner a fost numit consilier personal pentru probleme de finanțe (Geheimer Oberfinanzrath) și la 2 octombrie 1786 a fost înnobilat.