Generate Professional Invoices in Minutes
Enter Your Business & Client Details
Fill in your name or company name, address, and contact details. Add your client's information and VAT number if applicable. Upload your logo for a fully branded invoice.
Add Your Products or Services
List your services or products with descriptions and prices. Enter a sales tax rate if you sell taxable goods or services in Maine — or leave the tax field empty if your work is exempt.
Download Your PDF Invoice
Download a clean, professional PDF invoice instantly. Email it to your client or save it for your IRS and Maine Revenue Services records.
Invoicing in Maine — What Businesses Typically Include
The information below is a general overview of common invoicing practice in Maine. It is not legal or tax advice — for guidance specific to your business, consult an accountant or refer to the Maine Revenue Services at maine.gov/revenue.
Sales Tax in Maine
Maine has a state sales tax rate of 5.5%, applied uniformly statewide with no local additions. Maine sales tax applies to tangible goods and certain services; most professional services are not taxable. Groceries and prescription drugs are exempt from Maine sales tax.
Business Structures in Maine
Sole proprietors operating under a business name must register a Trade Name with the Maine Secretary of State. LLCs are formed with the Maine Secretary of State and file an annual report. Maine's uniform statewide sales tax rate (no local additions) keeps sales tax straightforward for businesses operating across the state.
State Income Tax in Maine
Maine has a graduated income tax ranging from 5.8% to 7.15%. Self-employed individuals in Maine make quarterly estimated payments to Maine Revenue Services and the IRS.
The Maine Business Economy
Portland, Maine has emerged as one of New England's most desirable cities for freelancers and remote workers — with a thriving food, arts, and creative scene, a lower cost of living than Boston, and a strong sense of community. Maine's natural environment and quality of life attract professionals across tech, design, writing, and consulting.
Everything You Need to Invoice Professionally
Custom logo, tax rate field you control, multiple currencies, unlimited downloads — all completely free.
Why Maine Freelancers & Businesses Choose BooInvoice
Maine has a diverse economy spanning tourism, lobster and fishing, forestry, paper manufacturing, healthcare, and a growing remote-work and creative economy centred on Portland. Whether you're billing local clients or invoicing businesses across the US, professional invoices are essential for getting paid promptly and maintaining accurate records for the IRS and Maine Revenue Services.
BooInvoice gives Maine businesses a free, simple invoicing tool. Add your business name and details, enter your rates, and download a polished PDF in under two minutes — no subscription, no watermark, no account required.
Key reasons Irish businesses use BooInvoice:
- Professional USD invoices ready in under two minutes
- Add your business name, address, and EIN to every invoice
- Optional tax field — add Maine sales tax if applicable, or leave it empty for exempt services
- Unlimited free invoices — no monthly subscription, no surprise charges
Stop wrestling with spreadsheets or paying for invoicing software you barely use. Start invoicing properly today.
Questions from Maine Users
Everything you need to know about using BooInvoice as a Maine freelancer, sole proprietor, or small business
Do I need to charge sales tax on my Maine invoices?
Maine's state sales tax rate is 5.5%. Combined with local additions, rates reach 5.5% (no local additions — Maine has a uniform statewide rate). Maine has a state sales tax rate of 5.5%, applied uniformly statewide with no local additions. Maine sales tax applies to tangible goods and certain services; most professional services are not taxable. Groceries and prescription drugs are exempt from Maine sales tax. Always verify your specific obligations with the Maine Revenue Services or an accountant.
What should a Maine invoice include?
A professional Maine invoice should include your business name and address, a unique invoice number, the invoice date and payment due date, your client's name and address, a clear description of the goods or services provided, your rates or fees, and the total amount due. If you collect sales tax, include your tax registration number and show it as a separate line.
Is BooInvoice free for Maine businesses?
Yes — completely free. You can create unlimited invoices, upload your logo, and download professional PDFs without paying anything. An optional free account lets you save client records and invoice history.
Does Maine have a state income tax?
Maine has a state income tax of 5.8%–7.15%. Self-employed individuals must make quarterly estimated payments to the Maine Revenue Services as well as the IRS.
Can I invoice clients in other states or countries?
Yes. BooInvoice supports USD and many other currencies. Maine-based businesses commonly invoice clients across the US and internationally — simply set the currency to match what you and your client have agreed.
Start Invoicing Professionally Today
Join Maine freelancers, sole proprietors, and small businesses using BooInvoice to create professional invoices and get paid faster.
Create My Free InvoiceNo signup • No credit card • Ready in 60 seconds