How do you incorporate your business in Florida?
To incorporate (which gives you limited liability as a corporation or LLC) you will need to file for Articles of Incorporation for your new entity, then you may obtain a Tax ID number (EIN) from the IRS and a business license from the county you are working in. You may also obtain a Florida Tax ID number from the Department of Revenue.
How do you form a partnership or sole proprietorship?
To create a Sole Proprietorship or a Partnership you will need to obtain a fictitious name or a DBA then get a business license with the county you work in. You may then get a Florida Tax ID number from the Department of Revenue.
Should you consult a professional before deciding how to form your business?
It depends on the circumstances. There are many resources available to you online. Keep in mind with certain business entities like a general partnership or a sole proprietorship you are personally responsible for the debts of the company so if you have any questions, you should consult an attorney.