This is good advice. I work at a big 4 and males are only required to wear a suit when they have an important client meeting. In the office, not many people wear a suit. If they have a meeting, most of them just put on a tie but don't always wear the jacket.(Original post by DJKL)
One small piece of advice, if the suit you are getting for the interview is one you would later intend to wear to work, if possible try to get one that you can buy two or even three pairs of trousers with one jacket.
Over the years I have ended up with numerous work suits with shiny trousers and perfect jackets, the jackets spend most of the working day hanging up, the trousers just wear with everyday use.
I don't think wearing something smart that isn't a suit would have put you at a disadvantage. That is, as long as it was smart. I helped at a graduate recruitment thing last week and one girl was dressed in something too 'weekend-ish'/not smart. It did make her look a bit out of place.
Well done on getting the position
Ask your questions here