This means they're gonna kidnap you take you down to the basement and lock you in a torture chamber

What Job is it for?

) and a list of questions that would aid you in finding out what you'll be getting your self into.I'm sure as long as he doesn't turn up naked he'll be fine...I would say full suit, like the others have said you can always take it off. It's unlikely you'll make a bad impression if overdressed, but it could easily be perceived as you not making the effort if your underdressed.

With regards to job applications. When you've been invited to an "informal chat" what would this entail? Would the full interview attire be required, for example?