Saltaire Partners works with owners of businesses in Maine worth roughly $3–100M, from the New York metropolitan area. This page links to a local guide for each Maine metro area covered so far, and sets out the state rules that change what a sale looks like here: corporate tax, personal income tax, clearances, transfer taxes. Every figure and rule links to its source.
Fixed fees. No exclusives. No success fees.
These statements come from the state's own agencies. Each one links to the page it was taken from.
Maine's corporate income tax is graduated: 3.5% on the first $350,000 of adjusted federal taxable income, rising through 7.93% and 8.33% to 8.93% on income over $3,500,000. These rates apply to tax years beginning on or after January 1, 2018.
Maine Revenue Servicesas of 2026
Maine's individual income tax rates for 2026 run from 5.8% to 7.15%. For tax years beginning on or after January 1, 2026, a 2% surcharge applies to Maine taxable income over $1,000,000 for single filers, or over $1,500,000 for joint filers and heads of household.
Maine Revenue Servicesas of 2026
When a business is sold with unpaid sales and use taxes, the buyer is required to withhold those taxes, interest and penalties from the purchase price. A buyer that does not is jointly and severally liable for them; Maine Revenue Services points buyers to a tax clearance letter the seller requests from its Compliance Division.
Maine Revenue Servicesas of 2025
A business that acquires substantially all of the assets of an employer may be liable as a successor for Maine unemployment insurance and takes on its predecessor's experience rate. If the predecessor has an outstanding unemployment insurance balance, the successor can be liable for it.
Maine Department of Labor, Bureau of Unemployment Compensationas of 2026
Maine's real estate transfer tax is $2.20 per $500 of the value transferred, half paid by the seller and half by the buyer, with an additional $3.80 per $500 on value over $1 million for transfers on or after November 1, 2025. It also applies to the transfer of a controlling interest in an entity that owns Maine real property.
Maine Revenue Servicesas of 2026
This is general information, not tax or legal advice. Your attorney and CPA should confirm how it applies to your sale.
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