If you are considering starting a small business, the U.S. Small Business Administration (sba.gov) has provided 10 steps to help guide you through the process:

Step 1: Write a Business Plan

Step 2: Get Business Assistance and Training

Step 3: Choose a Business Location

Step 4: Finance Your Business

Step 5: Determine the Legal Structure of Your Business

Step 6: Register a Business Name (i.e. “Doing Business As”)

Step 7: Get a Tax Identification Number

* For information on Maine Tax ID numbers, please go here.

Step 8: Register for State and Local Taxes

Step 9: Obtain Business Licenses and Permits (if applicable)

Step 10: Understand Employer Responsibilities (if you’re not going it alone)

Source:
10 Steps to Starting a Business