Basically, there are two kinds of companies: the ones that do care about dress code, and the ones that don't. The first kind would like you to wear a suit (with

Basically, there are two kinds of companies: the ones that do care about dress code, and the ones that don't. The first kind would like you to wear a suit (with a tie). For the second kind: well, since they don't care, you can wear a suit as well! In this way, you can't go wrong (I've never encountered a company requiring people to wear used jeans and Rock band shirts anyway).