Choose a name for your business: 
Make sure your business name is unique by
Maine Business Name Search – Chamber of Commerce.org
Starting a Small Business in Maine | Resources and Tools

Appoint a registered agent:
Is A Maine Registered Agent Necessary For Your Business? 
Get a Maine Registered Agent Today | ZenBusiness Inc.
6 Best Registered Agent Services in Maine to Try in 2023

File Articles of Organization:
Articles of Organization Maine: Everything You Need to Know
How to File Maine Articles of Incorporation – Harbor Compliance

Obtain an Employee Identification Number (EIN):
How to Get a Maine EIN Number (for Free) for an LLC
Obtain a Tax ID (EIN) Number and Register Your Busines in Maine

Creating an Operating Agreement:
Maine LLC Operating Agreements (2) – eForms
Maine LLC Operating Agreement | TRUiC – How to Start an LLC
Maine LLC Operating Agreement: What to Include

Getting your business license:
How to Get a Small Business License in Maine | Nolo
How To Get a Business License in Maine – On the Line – Toast
Maine Business Licenses | Wolter Kluwer
Maine | LLC, Business License – Incorporate.com

File your business annual report with Secretary of State:
Maine Annual Report – Free Guide & Easy Filling Instructions