From experience it is always better to overdress than under-dress, minimum should be business casual. It is hard to not think good of someone that dresses well

From experience it is always better to overdress than under-dress, minimum should be business casual. It is hard to not think good of someone that dresses well, looks clean, sharp and knows what they are talking about. You may also get a higher starting salary for dressing on point. Once you have the job you can adjust the way you dress accordingly.