Grant Thornton Luxembourg is a leading provider of Audit & Assurance, Business Advisory, Tax & Accounting, Financial Services and Technology services for all entities in Luxembourg. With more than 340 people and with 25 partners, we apply strong technical guidance and breadth of experience to ensure that clients receive a truly different experience. Privately owned enterprises, listed companies and their subsidiaries and public sector organisations come to us for our global scale, quality and deep technical expertise. They also value our knowledge of their regulatory landscape and industry standards. Grant Thornton Luxembourg is the Luxembourg member firm of Grant Thornton International Ltd., a network of independent assurance, tax and advisory firms, made up of 80,000 people in 150 countries. And we’re here to help ambitious companies unlock their potential. We’ve got scale, combined with local market understanding. That means we’re everywhere you are, as well as where you want to. For further information, please visit www.grantthornton.lu
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The Grant Thornton Luxembourg annual revenue was $50.3 million in 2026.
Laurent Decaen is the Partner of Grant Thornton Luxembourg.
284 people are employed at Grant Thornton Luxembourg.
The NAICS codes for Grant Thornton Luxembourg are [54121, 54, 541, 5412].
The SIC codes for Grant Thornton Luxembourg are [872, 73, 87, 8721].