Will that data be as "secure" from the US government as their banking information is these days?
http://www.reuters.com/article/2013/12/11/us-tax-switzerland...
Also, remember when Switzerland helped the US government by banning Assange's account? So much for having a "strong reputation" in data protection.
http://mashable.com/2010/12/06/wikileaks-switzerland/
If they are really serious about this, good on them. But one should approach them with a little skepticism given their not so flawless track record.