Read our insights

Risking double taxation or losing your social security system? Never! How to avoid it: Closely monitor your employees' social security and tax thresholds.

Luxembourg resident capital companies distributing dividends to their shareholder(s) must file a withholding tax (WHT) return within eight days from the date the dividend becomes available (even if no WHT is due).

Luxembourg resident corporations and Permanent Establishments (PEs) can reduce their 2025 Net Wealth Tax (NWT) by setting up a 5-year unavailable NWT reserve in their 2025 annual accounts.

Following the Court of Justice of European Union (CJEU) decision in case C-288/22 and the subsequent judgment of the Luxembourg District Court on 22 November 2024, the Luxembourg VAT authorities (AED) issued Circular N° 781-2 on 11 December 2024.

The Banque Centrale du Luxembourg (BCL), in cooperation with the Commission de Surveillance du Secteur Financier (CSSF), are aligning statistical data collection for Investment Funds with the updated ECB Regulation (EU) 2024/1988 adopted on 27 June 2024.

2024 Co-funding applications are fast approaching! As the application deadline is 31 May 2025, we are here to assist you throughout the process.

On March 11, 2025, The Council of the European Union officially adopted the VAT in the Digital Age (ViDA) Package! From now on and progressively until January 2035, a comprehensive set of measures aimed at simplifying and modernizing VAT rules for the Digital Age will follow.

Announced as part of the Competitiveness Compass for the EU published 29 January, the European Commission has just published its proposals to simplify sustainability reporting, including the Corporate Sustainability Reporting Directive.

This publication is designed to give preparers and reviewers of IFRS financial statements a high-level awareness of recent changes to International Financial Reporting Standards. It covers both new Standards and Interpretations that have been issued and amendments made to existing ones.

Taxpayers are required to make quarterly advance payments for Corporate Income Tax (CIT), Municipal Business Tax (MBT) and Net Wealth Tax (NWT).

In a step toward streamlined sustainability reporting, the European Financial Reporting Advisory Group (EFRAG), in collaboration with Directorate-General for Environment (DG ENV) and Directorate-General for Financial Stability, Financial Services and Capital Markets Union (DG FISMA), has identified key synergies between the Eco-Management and Audit Scheme (EMAS) and the Corporate Sustainability Reporting Directive (CSRD).

Grant Thornton Luxembourg, in association with several Grant Thornton member firms in Europe are once again launching a study aimed at establishing an overview of the DPO function (Data Protection Officer) in the main countries of the European Union.

Stay Ahead of Luxembourg Tax Compliance. Take control of your tax obligations and discover new opportunities. Discover our online calendar tool and contact our tax experts to take the first step towards seamless tax compliance.

The Luxembourg Business Registers (“LBR”) has recently introduced new changes to the administrative requirements to be introduced at the Trade and Companies Register (“RCS”) and which will apply as from 12 November 2024.

On November 5, 2024 The Council of the European Union, after long negotiations, announced that the EU’s Taxation Council has reached an agreement on the VAT in the Digital Age (ViDA) package.

On 17 July 2024, the Luxembourgish government announced a list of new measures designed to boost purchasing power, with effect from 1 January 2025. The announcements below are still in draft form and have not yet been definitively implemented.