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Luxembourg Business Calendar

Every key tax, accounting and payroll deadline for Luxembourg businesses, month by month. See what is coming next, filter what applies to you and add the dates to your own calendar.

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This calendar is a general reference for Luxembourg businesses. Not every date applies to every business: your obligations depend on your legal form, VAT filing frequency, employees, financial year and tax assessments. When a deadline says "before", the obligation must be met before that date. Notices from the relevant authority always take precedence. Dates checked against Guichet.lu in October 2026.

Official tax calendar