Thank You, Pal:
I went back through my photo files and am posting a sort of history photo here regarding the development of A/S Anco.
The photo of the large premises in 1937, located on a harbour or river, would indicate a quite large organization so it may be that they were a direct Importer for GM. They also sold Bedford and Opel vehicles. Oddly, they did not seem to carry Buick, Cadillac or Pontiac vehicles but did also sell Oldsmobile cars and trucks. They also seem to have been an importer for Imbert gas generator motor conversions.
Bill