Starting a business in Maine requires obtaining various permits and licenses, including a sales tax permit, which is essential for legally operating within the state. This permit allows businesses to collect sales tax from their customers, ensuring adherence to Maine's tax laws and regulations. Understanding and fulfilling these legal requirements is critical for maintaining your business's good standing and avoiding potential penalties.
Having a sales tax permit in hand is not only a legal obligation but also a sign of professionalism and commitment to ethical business practices. It reassures stakeholders, including customers, suppliers, and investors, that your business is trustworthy and dedicated to compliance.
To help you get started with this process, consult doola’s bookkeeping team for a detailed guide on how to register and maintain your sales tax permit.

Who Needs a Sales Tax Permit in Maine
In Maine, businesses that sell tangible personal property or offer taxable services must collect and remit sales tax to the state. This requirement applies to traditional stores, service providers, and online retailers.
The economic nexus threshold in Maine requires businesses with more than $100,000 in sales or 200 separate transactions in the state to collect sales tax, regardless of a physical presence. Examples include local retail shops, contractors providing taxable services, and out-of-state online retailers crossing the threshold.
Steps to Register for a Sales Tax Permit in Maine
Follow the steps below to register for a sales tax permit in Maine.
- Prepare Your Documents
You’ll need to gather the following information:
- Legal Business Name: Ensure consistency with the name registered with the Maine Secretary of State.
- Physical Business Address: Provide a valid street address; P.O. boxes are usually not accepted.
- Federal Employer Identification Number (FEIN): Obtain from the IRS if you don’t have one already.
- Contact Information: Include phone numbers and email addresses for main business contacts.
- North American Industry Classification System (NAICS) Code: Classify your business industry with this code.
- Date of Business Commencement in Maine: Indicate when your business operations began or will begin in the state.
2. Register Online via the Maine Revenue Services Portal
To register, access the online portal, initiate “Register a business/Obtain a new tax account number,” accurately input all necessary information, review your application, and submit it through the portal.
3. Wait for Approval
It typically takes 3–5 business days to receive your account number after online registration. Once approved, you’ll receive your sales tax permit, permitting you to collect sales tax in Maine.
Understanding Your Sales Tax Responsibilities in Maine
Businesses in Maine are generally required to file sales tax returns monthly, quarterly, or annually based on sales volume. It’s critical to apply the correct sales tax rates, which vary by location, including state, county, and city levels. Maine provides specific exemptions and rules, such as tax-free holidays and the use of resale certificates, which can influence tax collection timing and methods.
Common Mistakes to Avoid
- Failing to register for a sales tax permit when required.
- Collecting incorrect sales tax rates for different local jurisdictions.
- Missing filing deadlines and incurring penalties.
- Overlooking exempt sales and not maintaining proper documentation for resale certificates.
How to Maintain Compliance & File Sales Tax Returns
To file sales tax returns in Maine, use the Maine Revenue Services portal where you can submit your returns and payments electronically. You can also leverage automated solutions to simplify tax collection and ensure accuracy.
Remember that doola is here to help with books and taxes, ensuring your business maintains compliance effortlessly.
FAQs About Sales Tax Permits in Maine
How long does it take to get a sales tax permit?
Typically, the Maine Revenue Services processes a tax permit application within two to three weeks.
Do I need to renew my sales tax permit?
No, once issued a sales tax permit in Maine does not require renewal, provided compliance is maintained.
What happens if I stop doing business in Maine?
You must formally close your sales tax account by notifying the Maine Revenue Services.
Are online sellers required to collect sales tax in Maine?
Yes, if they surpass the $100,000 sales or 200 separate transactions threshold, online sellers must collect Maine sales tax.
Stay Compliant With doola
Registering for a sales tax permit is essential for any business operating in Maine. Staying compliant requires awareness of deadlines, correct tax collection, and understanding exemptions.
Businesses should seek professional assistance to ensure everything is handled accurately. For financial solutions, doola can provide guidance to ensure compliance, making it easier for your business to thrive.
Remember to consult Maine Revenue Services for additional information and resources.