Schneider-Ammann made the remarks at a joint press conference with his Iranian counterpart Hassan Rouhani here on Saturday.
The Swiss president further congratulated all including President Rouhani on reaching nuclear agreement.
On July 14, 2015, Iran and the six world powers reached a landmark nuclear agreement known as the Joint Comprehensive Plan of Action (JCPOA).
On January 16, 2016, anti-Iran sanctions were lifted as the International Atomic Energy Agency (IAEA) verified Iran’s nuclear program and ‘Implementation Day’ of the JCPOA started.
It is clear that economic sector of Switzerland in interested in developing relations with Iran, said Schneider-Ammann.
He added he entered Iran while heading a 40-strong delegation, calling on the Iranian side to travel to Switzerland with a 400-strong delegation.
Switzerland is determined to continue and improve relations with Iran, said he, adding drawing a road map for bilateral cooperation is following up that end.
The two should move step by step to implement mutual agreements and joint projects, he added.
The Swiss president arrived in Tehran on Friday evening.