Maine business filing due dates
The Maine deadlines Ordexly tracks for Oct 2026 to Oct 2027. Every date links to the agency page it was checked against (last checked ). Which ones apply to a business depends on its registrations and filing frequency, so confirm with the agency.
Annual reports & franchise tax
| Due | Deadline | Source |
|---|---|---|
| Maine Annual Report 2027 | official source |
Sales & use tax
| Due | Deadline | Source |
|---|---|---|
| Maine ST-7 sales and use tax return (monthly) Oct 2026 Moved from Sun, Nov 15 (weekend). | official source | |
| Maine ST-7 sales and use tax return (monthly) Nov 2026 | official source | |
| Maine ST-7 sales and use tax return (annual) 2026 | official source | |
| Maine ST-7 sales and use tax return (monthly) Dec 2026 | official source | |
| Maine ST-7 sales and use tax return (quarterly) Q4 2026 | official source | |
| Maine ST-7 sales and use tax return (semiannual) H2 2026 | official source | |
| Maine ST-7 sales and use tax return (monthly) Jan 2027 | official source | |
| Maine ST-7 sales and use tax return (monthly) Feb 2027 | official source | |
| Maine ST-7 sales and use tax return (monthly) Mar 2027 | official source | |
| Maine ST-7 sales and use tax return (quarterly) Q1 2027 | official source | |
| Maine ST-7 sales and use tax return (monthly) Apr 2027 Moved from Sat, May 15 (weekend). | official source | |
| Maine ST-7 sales and use tax return (monthly) May 2027 | official source | |
| Maine ST-7 sales and use tax return (monthly) Jun 2027 | official source | |
| Maine ST-7 sales and use tax return (quarterly) Q2 2027 | official source | |
| Maine ST-7 sales and use tax return (semiannual) H1 2027 | official source | |
| Maine ST-7 sales and use tax return (monthly) Jul 2027 Moved from Sun, Aug 15 (weekend). | official source | |
| Maine ST-7 sales and use tax return (monthly) Aug 2027 | official source | |
| Maine ST-7 sales and use tax return (monthly) Sep 2027 | official source | |
| Maine ST-7 sales and use tax return (quarterly) Q3 2027 | official source |
Payroll & withholding
| Due | Deadline | Source |
|---|---|---|
| Maine 941ME quarterly withholding return (quarterly) Q3 2026 | official source | |
| Maine 941ME quarterly withholding return (quarterly) Q4 2026 | official source | |
| Maine 941ME quarterly withholding return (quarterly) Q1 2027 | official source | |
| Maine 941ME quarterly withholding return (quarterly) Q2 2027 | official source |
Unemployment / reemployment
| Due | Deadline | Source |
|---|---|---|
| Maine ME UC-1 unemployment contributions report (quarterly) Q3 2026 | official source | |
| Maine ME UC-1 unemployment contributions report (quarterly) Q4 2026 | official source | |
| Maine ME UC-1 unemployment contributions report (quarterly) Q1 2027 | official source | |
| Maine ME UC-1 unemployment contributions report (quarterly) Q2 2027 | official source |
Free: add Maine due dates to your calendar
Subscribe to this public calendar and the Maine deadlines on this page show up in your calendar app, with updates when we publish changes. Free, no account needed.
Subscribe (Apple, Outlook) Add to Google Calendar Download .ics
Nearby: New Hampshire due dates
Get these on your calendar
Ordexly puts the Maine and federal deadlines that apply to each business or client on one calendar feed (Google, Outlook or Apple), with email reminders before each one is due. Every plan starts with a free trial: 60 days on Firm, 14 days on Owner, Solo and Practice. You enter a card at checkout and nothing is charged until the trial ends; cancel in one click before then. Founding members (first 25, on Solo, Firm and Practice) get FOUNDING50: 50% off the first 14 paid months on monthly billing, or the first year on yearly billing.