Could you please elaborate why you think it's important to be registered in the U S to market to US companies? What are the types of markets/customers sensitiv

Could you please elaborate why you think it's important to be registered in the U S to market to US companies? What are the types of markets/customers sensitive to the place of incorporation of their software/SaaS vendor? I will not try to save money at the expense of the business, but I don't want to spend without understanding why it's necessary.