If you are conducting business, creation of an appropriate entity can shield you from personal liability in the event you are sued in the course of doing business. This means that if formed and operated properly, should your business is sued, damages are limited to what is the property of the business- protecting your personal property.
Forming a business also provides access to open business bank accounts, report income to the IRS and receive deductions for your business, proving your business worth. This helps to creates a bonafide reputation in the business world business for your brand showing your financial stability. This opens up opportunities for business loans, grants and investor funds.