What to wear for a job interview has been a topic of discussion that is usually met with a different point of view. While naturally, it is advisable to be as cooperate as possible, but at the same time, you do not want to go for an interview overdressed.
It is only right and proper to do a research on the company you have been invited for an interview. From the research, you will not only find out more about the company and the likely question, you may also find out about the kind of client they serve, their location and with the help of social media you may also get a glimpse of their staff and maybe observe their working environment. From these research, you can deduce an idea of the dress code from the company.
Please, you should not go to an interview with overall and safety boots just because the company is into maintenance, in such cases, you may dress cooperatively without a tie but this will also depend on the size of the company.
Putting the kind of industry in mind, it is only right that when you going for a job interview in a company from the banking sector you will have to entirely cooperate with a jacket and tie for the guys and for the ladies a suit and jacket will be appropriate.
Addressing the issue of overdressing for an interview, they are some very small start-up that might feel you are above their pay grade when you dress up for an interview like a banker. An example was narrated on social media by an applicant who was turned down for the job simply because the interviewer felt that the salary they can offer can not meet up with his fashion style. Now that's an example of overdressing for an interview.
It is right to do a proper research on the company and ask a question on the dress code if you have an opportunity to. And also regardless of the kind of company and its size, dress cooperate and neat to an interview.