Is it necessary for the company to choose an auspicious day for its birthday?

This is not true. If a legal person does not operate a company, it shall still be calculated according to the eight characters of the specific operator. This is also the direction of the main entrance, which is the main source of wealth. Choosing a timely date is a good day, and it also combines the door orientation of Feng Shui. Don't punish and rush, everything will be fine.