I wnt Advice on Professional Wardrobe Essentials for a Finance Career

Hello WSO Community,

I am currently change into a finance role and need some guidance on building a professional wardrobe that aligns with industry standards.  coming from a tech background, base in USA  and working with MICRISOFT. My current wardrobe is totally casual and I wan to see  that I make a good impression in my new role:)

 My Goals is here

 I want to invest in quality pieces that are versatile and appropriate for the finance industry. Also want to Gain a clear understanding of what is considered business formal, business casual, and smart casual in   finance.
 I am willing to invest in key pieces; I did also appreciate advice on budget friendly options and where to shop     for quality attire.

My questions is here

1.  What are the must have items for a professional finance wardrobe? I am thinking suits, shirts, ties &  shoes       etc but Id love a detailed list.
2.  How do dress codes vary across different finance roles and settings? For example, what's appropriate for   client meetings vs. day to day office wear?
3.  Which brands offer the best quality for the price? Are there specific stores or online retailers you recommend   for professional attire?
4.  How important is tailoring in the finance world? Should I invest in tailored suits from the get go, or is it okay to   start with off the rack options?
5.  Any tips for dressing professionally during different seasons, especially in a city like NYC with its extreme   weather?

If you have any advice and any tips, suggestion please share with me. This will be helpful for me
 

Best regards
Akiragi