Anything you want... as long as you show up for the interview you'll get the job... they are desperate to fill vacancies... when you start the job you'll understand why...
Business attire is requested but that only last until you are hired.
Answered - BT Help Advisor (Current Employee) - Swords, County Dublin
I would recommend trousers and a shirt
Answered - Technical Support Agent (Current Employee) - Swords, County Dublin
Smart casual or business casual should be ok.
Answered - Support Professional (Current Employee) - Swords, County Dublin
Your best look, be yourself.
Answered - Customer care solutions - Brazil/ SP - https (Former Employee) - BR
Business casual, also casual, do not wear offensive simbols or flags or designs or anything that can hurt the others feelings.
Answered - Customer Support Representative (Former Employee) - County Antrim