Tax Calendar 2026
Meet your tax deadlines efficiently with Grant Thornton Luxembourg
This is the general Tax Calendar. Click on any deadline in the Tax Calendar in order to view additional information. The Tax Calendar is also available in list format under the "Event list" tab. Customize this Tax Calendar to your needs by clicking on the button above. For a quick demo, click .
To assist you in managing your tax obligations effectively, each tax category in the calendar is color-coded for better clarity and ease of reference. Click on an event type to view detailed explanations about the different types of events.
Filing event
Payment event
Filing and payment events
Concurrent events
Company closing date
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30 | 31 |
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29 | 30 |
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31 |
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28 | 29 | 30 |
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5 | 6 | 7 | 8 | 9 | 10 | 11 |
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2 | 3 | 4 | 5 | 6 | 7 | 8 |
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30 |
| Mo | Tu | We | Th | Fr | Sa | Su |
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1 | 2 | 3 | 4 | 5 | 6 | |
7 | 8 | 9 | 10 | 11 | 12 | 13 |
14 | 15 | 16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 | 26 | 27 |
28 | 29 | 30 | 31 |
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This Tax Calendar is intended solely to provide general guidance and information on the main Luxembourg tax deadlines (regardless of the specific day they fall on). It is not exhaustive and does not constitute professional advice of any kind. Grant Thornton Luxembourg accepts no responsibility for any use of, or reliance on, the information provided herein. However, we are available to assist you in verifying specific deadlines to ensure accuracy and compliance with all applicable tax laws and regulations.