Luxembourg: Tax

The Omnibus Directive introduces comprehensive amendments to six fundamental EU tax directives, reshaping cross-border taxation frameworks across the European Union.

ATOZ provides comprehensive tax and legal advisory services with a focus on personalized client relationships and pragmatic solutions. The firm publishes regular insights covering international tax developments, regulatory updates, and business guidance across multiple jurisdictions including Luxembourg, UAE, and EU member states.

On 22 January 2026, the Luxembourg Parliament voted through bill of law 8590 introducing a new tax regime for carried interest.

Luxembourg has introduced a draft law establishing a new tax framework for employee stock option plans, creating a favorable regime for qualifying young innovative companies while codifying the general tax treatment for all other stock option arrangements. The proposal aims to defer taxation until share disposal for eligible companies, potentially reducing the effective tax burden to approximately 11.45% while addressing practical liquidity constraints for employees.

Luxembourg is introducing significant changes to its stock option taxation framework, establishing a new statutory regime while codifying treatment under ordinary rules.

The Bill has two components: It introduces a targeted tax regime for stock options granted by young innovative companies (YICs) to their employees, and it separately codifies the existing tax treatment of ordinary...

At its core, the case concerns a Luxembourg holding company (the “Company”) that had contractually agreed to bear the credit risk on loans managed by a related entity’s permanent establishment located in Luxembourg (the “Branch”), without disclosing this arrangement to the Luxembourg tax authorities (the “LTA”) and without receiving any compensation.

In its decision of 22 July 2026 (case 53194C), the Luxembourg Administrative Court, the Luxembourg court of appeal in tax matters, rendered an important transfer pricing judgment concerning the application of the arm's-length principle to the restructuring of intra-group debt and the deductibility of interest expenses.

The European Commission's proposal to recast the Directive on Administrative Cooperation (DAC) represents a significant shift in tax transparency requirements, particularly targeting...

The Administrative Court of Luxembourg has issued significant rulings on the qualification of interest-free loans and the use of corporate tax losses in relation to abuse of law concepts. These decisions provide crucial clarity for corporate tax planning and compliance strategies in Luxembourg.

In its decision of 22 July 2026 (case 53194C), the Luxembourg Administrative Court, the Luxembourg court of appeal in tax matters, rendered an important transfer pricing judgment concerning the application of the arm's-length principle to the restructuring of intra-group debt and the deductibility of interest expenses.

The European Commission challenged Luxembourg's decision to exempt securitisation special purpose entities from EU interest deduction limitations, arguing the exemption list is exhaustive. Advocate General Kokott has now recommended dismissing this infringement action, finding that regulated SSPEs are economically comparable to other exempt financial undertakings and should be treated equally under EU law.