Corporate Tax 2026

LUXEMBOURG Trends and Developments Contributed by: Romain Tiffon and Marie Bentley, ATOZ Tax Advisers

deeper transparency and alignment with global mini - mum taxation frameworks. Across these developments, the common themes are legal certainty, competitiveness and adaptation to international standards. Businesses and investors operating in Luxembourg in 2026 and beyond will benefit from these clarifications – but must also con - tinue to monitor practical implementation, administra - tive guidance and emerging EU or OECD initiatives that may further shape the landscape.

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