For entrepreneurs evaluating Maine as a business location in 2026, the tax landscape is a key factor. With a state sales tax of 5.5% and potential local additions of up to 0%, the combined rate can reach 5.50%.
Economic Nexus in Maine
Remote sellers must collect Maine sales tax if they exceed $100,000 in annual sales or 200 transactions within the state. This threshold has been in effect since 2019-10-01. Marketplace facilitators like Amazon and Etsy are also required to collect and remit tax on behalf of third-party sellers. The Maine Revenue Services enforces these provisions and provides registration guidance at https://www.maine.gov/revenue.
LLC Formation in Maine (2026)
Forming an LLC in Maine costs $175 for the initial filing. There is no annual franchise tax, keeping ongoing costs low. The annual report fee is $85. Maine imposes a state income tax, which affects pass-through LLC taxation.
The process involves filing Articles of Organization with the Secretary of State, obtaining a federal EIN, and registering for applicable state tax accounts. You will also need a sales tax permit from the Maine Revenue Services.
Key Tax Rules
• Maine has a flat 5.5% state sales tax with no local additions.
• Groceries, clothing, and prescription drugs are exempt.
• Maine has a 9% tax on prepared food and lodging.
• Economic nexus: $100,000 in sales or 200 transactions.
Sales Tax Exemptions
The following categories are generally exempt from sales tax in Maine: groceries, prescription drugs, clothing, medical equipment. Businesses should maintain proper documentation for exempt transactions.