Documented evidence
The verified official record lists Heimgartner Lukas Anwaltskanzlei Zürichsee AG in the category law firm with location MLaw Verenastrasse 4b, 8832 Wollerau, SZ.
Source
Kanton Schwyz · https://www.sz.ch/public/upload/assets/69581/Anwaltsregister_des_Kantons_Schwyz.pdf?fp=90
Context
This entry reflects only the verified state of the source. It does not imply any further legal or personal assessment.