S-Corp Election in Maine (Form 2553) (2026)

Fact-checked by the LegalGlass editorial team against primary sources · Published Aug 6, 2026 · Last updated Aug 6, 2026

To elect S-corporation (S-corp) status for a Maine LLC or corporation, you file IRS Form 2553, Election by a Small Business Corporation, with the Internal Revenue Service. Maine conforms to the federal S election, so there is no separate Maine state election form. File Form 2553 within 2 months and 15 days of the start of the tax year the election is to take effect.

S-Corp Election Overview for Maine Businesses

An S-corporation election is a federal tax election made with the IRS, not a filing you make with the Maine Secretary of State or Maine Revenue Services. The election changes how an existing business entity, either a limited liability company (LLC) or a traditional C-corporation, is taxed at the federal level. Maine generally follows that federal treatment, so an entity taxed as an S-corp for federal purposes is ordinarily treated the same way for Maine income tax.

The appeal of S-corp status for many small businesses is the potential to reduce self-employment tax on the owner's earnings. Instead of all business profit being subject to self-employment or payroll tax, an owner-employee takes a reasonable salary (which is taxed) and can receive remaining profit as a distribution. That benefit comes with added compliance: running payroll, filing a separate S-corp return, and meeting strict eligibility rules. For a side-by-side look at the trade-offs, see S-corp vs. LLC and LLC or S-corp.

How to Elect S-Corp Status for a Maine Business

The election process is federal, so the steps center on the IRS. There is no parallel Maine application to complete.

1. Form or maintain an eligible entity. You must have a Maine LLC or corporation registered with the Maine Secretary of State. If you have not formed yet, start with how to form an LLC in Maine. Obtain a federal EIN from the IRS, which every entity making the election needs.
2. Confirm S-corp eligibility. The entity must be domestic, have no more than 100 shareholders, have only eligible shareholders (generally individuals, certain trusts, and estates, not partnerships or corporations), and have only one class of stock.
3. File IRS Form 2553. Complete and file Form 2553, Election by a Small Business Corporation, signed by all shareholders, within the deadline. The IRS reviews the election and sends a confirmation letter (CP261) you should keep.
4. Meet Maine filing obligations. Because Maine conforms, no state election is needed, but the S-corp reports Maine-source income to Maine Revenue Services and handles withholding for any nonresident shareholders.

Once the IRS approves the election, your Maine business is generally treated as an S-corp for Maine income tax without any additional state election filing.

Form 2553 Eligibility and Deadline

Timing is the part businesses most often get wrong. To be effective for a given tax year, Form 2553 must be filed no later than 2 months and 15 days after the beginning of that tax year, or at any time during the tax year immediately preceding it. For a calendar-year entity that wants S-corp status starting January 1, 2026, the deadline is generally March 15, 2026. A newly formed entity counts the 2-month-and-15-day window from the date it first has shareholders, acquires assets, or begins doing business, whichever happens first.

If you miss the deadline, the IRS can grant relief for a late election when the entity had reasonable cause and everyone treated the business as an S-corp. The Form 2553 instructions and IRS Publication 542, Corporations, describe the late-election relief procedures, which typically involve filing Form 2553 with a statement of reasonable cause. Eligibility itself is federal: the shareholder cap, one-class-of-stock rule, and shareholder restrictions come from 26 U.S. Code § 1361.

Does Maine Require a Separate State Election?

No. Maine does not have its own S-corporation election form or a state-level box to check that is separate from the federal election. Maine's income tax is built on federal taxable income and federal classifications, so when the IRS recognizes an entity as an S-corp, Maine Revenue Services generally recognizes the same status for Maine income tax purposes. This conformity means the single act of filing Form 2553 with the IRS establishes S-corp treatment both federally and for Maine.

What Maine does require is that the S-corp meet its ordinary state reporting duties. The entity files a Maine information return reflecting the pass-through of income to shareholders, and it must address Maine withholding on the Maine-source income of nonresident shareholders. These are reporting and withholding obligations, not a separate election. Always confirm the current forms and thresholds directly with Maine Revenue Services before filing.

Maine State Tax Treatment of S-Corps

For Maine income tax, an S-corporation is generally a pass-through entity. The corporation itself usually does not pay Maine income tax at the entity level. Instead, its income, deductions, and credits flow through to the shareholders in proportion to ownership, and each shareholder reports their share on their individual Maine income tax return. Shareholders receive a federal Schedule K-1 (Form 1120-S) that supports the Maine reporting.

Two Maine-specific points deserve attention. First, Maine requires pass-through entities to handle withholding on the Maine-source income of nonresident members and shareholders, so an S-corp with out-of-state owners typically must withhold and remit Maine tax on their behalf unless an exemption applies. Second, while C-corporations are subject to Maine's corporate income tax, S-corps generally are not taxed at the entity level under Maine's conforming rules. Other Maine obligations, such as sales tax and employer withholding for wages, still apply where relevant. See business tax and confirm details in Title 36 of the Maine Revised Statutes.

Reasonable Salary and Payroll

The central compliance rule for any S-corp is reasonable compensation. An owner who works in an S-corp is an employee and must be paid a reasonable salary for the services they perform before taking tax-favored distributions. That salary is subject to Social Security and Medicare (FICA) payroll taxes; the remaining profit distributed to the owner is generally not subject to those employment taxes. The IRS scrutinizes S-corps that pay owners little or no salary while taking large distributions, and it can reclassify distributions as wages with back taxes and penalties.

There is no fixed dollar amount or percentage that defines a reasonable salary. It depends on the owner's role, experience, hours, and what comparable businesses pay for similar work. Because the S-corp now runs payroll, it must register as a Maine employer, withhold and remit Maine income tax from wages, and file federal employment tax returns. For owners weighing whether the payroll and filing burden is worth the potential self-employment tax savings, the numbers usually favor the election only once profits comfortably exceed a reasonable salary.

Maintaining S-Corp Status in Maine

After the election is approved, the S-corp must keep meeting federal and Maine requirements to preserve the status. Federally, it files Form 1120-S each year (generally due March 15 for calendar-year filers), issues Schedule K-1s to shareholders, keeps within the 100 shareholder cap and one-class-of-stock rule, and pays owner-employees reasonable compensation. If the entity ever violates an eligibility rule, the election can terminate and the business reverts to C-corporation or its default LLC taxation, sometimes with unexpected tax bills.

For Maine, the entity continues to report pass-through income to Maine Revenue Services, manages nonresident shareholder withholding, and keeps its Maine Secretary of State registration and registered agent current. Because tax laws and forms change, review requirements each year and consult a qualified tax professional to confirm the S-corp election still fits your situation. For related planning, compare LLC vs. S-corp tax.

Frequently Asked Questions

How do I elect S-corp status in Maine?

File IRS Form 2553, Election by a Small Business Corporation, with the Internal Revenue Service. Maine conforms to the federal S election, so there is no separate Maine state election form; the federal approval carries over for Maine income tax.

Does Maine require a separate S-corp election?

No. Maine generally follows the federal S-corporation election. An entity that is an S corporation for federal income tax is treated as an S corporation for Maine income tax, with income passing through to shareholders.

What is the deadline to file Form 2553 for a Maine S-corp?

File Form 2553 no later than 2 months and 15 days after the beginning of the tax year the election is to take effect, or at any time during the preceding tax year. Late elections may qualify for IRS relief for reasonable cause.

Do S-corps pay Maine income tax?

An S corporation generally does not pay Maine income tax at the entity level. Income passes through to shareholders, who report their shares on their Maine returns. The entity may still owe nonresident shareholder withholding and file an information return.

Can a Maine LLC elect S-corp status?

Yes. A Maine LLC can elect S-corp taxation by filing Form 2553, which changes its federal classification from a disregarded entity or partnership to an S corporation. The LLC keeps its legal form and Maine registration.

What salary must an S-corp owner take in Maine?

The IRS requires an owner-employee who works in the business to receive reasonable compensation, subject to payroll taxes, before taking distributions. There is no fixed dollar figure; it must reflect the value of services performed.

Related

• S-Corp vs LLC (cluster hub)
• Form 2553 explained
• How to form an LLC in Maine
• Maine registered agent
• How to get an EIN
• S-Corp election in Arizona (sibling)
• Self-employment tax

Sources

1. IRS - About Form 2553, Election by a Small Business Corporation.
2. IRS - S Corporations (federal rules overview).
3. IRS - Publication 542, Corporations (eligibility and late-election relief).
4. IRS - About Form 1120-S, U.S. Income Tax Return for an S Corporation.
5. IRS - Get an Employer Identification Number (free EIN).
6. IRS - S Corporation Compensation and Medical Insurance Issues (reasonable compensation).
7. Maine Revenue Services - Income/Estate Tax (Maine income tax and conformity).
8. Maine Secretary of State - Bureau of Corporations, Elections and Commissions (entity registration).
9. Maine Legislature - Maine Revised Statutes, Title 36 (Taxation).
10. Maine Legislature - Maine Revised Statutes, Title 13-C (Business Corporation Act).
11. Justia - Maine Revised Statutes Title 36 (Taxation).
12. Justia - Maine Revised Statutes Title 13-C (Corporations).
13. Cornell Law School Legal Information Institute - 26 U.S. Code § 1361 - S corporation defined.
14. Cornell Law School Legal Information Institute - 26 CFR § 1.1362-1 - Election to be an S corporation.
15. Cornell Law School Legal Information Institute - S Corporation.

LegalGlass provides general information for educational purposes and is not a law firm or a substitute for advice from a licensed attorney or tax professional. Laws, fees, and thresholds change; verify current requirements with the IRS and Maine Revenue Services before acting.