This article on Swiss Business Etiquette had me chuckle a few times and had me realize that I’ve been in NYC for a long time now…
When negotiating with German or French Swiss, objective facts and detailed information is more important than subjective feelings. Thorough presentations, which emphasize logic and efficiency, are generally more effective. Restraint in voice and manner is also more important when doing business with German and French Swiss.
The Swiss are not known to rush into decision-making, signing agreements, contracts, and the like. It may jeopardize the progress of negotiations to press for a decision.
Patience is thought essential to success in Switzerland, where hard-sell high-pressure tactics are often unsuccessful.