He was based in Switzerland if I am not mistaken, (...)
correct - although his real name sounds very Turkish, his company was based in Switzerland
(but half Europe is flooded by Turkish people):
1Hodlgroup GmbH (formerly: WebSimple SARL)
Route de Chancy 8
1213 Petit-Lancy
Switzerlandaccording to the www, the company was (is?) run by him and his brother (or any other relative with the same Turkish surname but with the majority of the shares, approximately 97.5%)