Clothing could be tricky for a beginner. Meticulousness goes a long way of showing that one goes the extra mile to look confident. A well dressed individual displays a high standard of knowledge of the modern business culture.
Buy suits and pants together (two-piece outfit).
All leathers the same color. (Watch strap, Belt, Shoes)
All metals the same color. (Watch, belt buckle, pen, spectacles, tie pin, cufflinks)
Full length socks and trousers the same color OR atleast any neutral color.
Light colored shirts only. Dark shirts for Fridays.