Depends on the company these days. A lot of startup and big tech companies will actually say to not turn up in a suit, because you'll look really out of place. The times of "you can't go wrong wearing a suit" are over now, some people want you to be yourself. Probably best to research or ask the recruiter if they don't specify a dress code.Arrive in a suit. You can always take off the jacket and tie but you've got nowhere to go if you arrive in ripped jeans and a t-shirt
