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Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

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CMS lawyers can provide future-facing advice for your business across a variety of specialisms and industries, worldwide.

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Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

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As local and international tax regulations become more prescriptive, dealing with them in a cross-border context presents you with a significant challenge. The number and complexity of tax investigations conducted by authorities is rapidly escalating and the need for tax adjustments is rising accordingly. Luxembourg being a key jurisdiction in cross-border tax structuring, we understand the tax pressures you face. That is the reason why we endeavour to provide you with innovative and tailor-made solutions.

Whether you are a financial institution, multinational, fund, investor or high net worth individual, CMS Luxembourg Tax team can help you manage tax control cases and deal with tax authorities as well as manage tax litigation cases. The right tax advice can make a material difference to transaction costs and, in some cases, avert serious consequences.

CMS Luxembourg’s Tax lawyers are able to provide advice on a vast range of transactions to both domestic and international clients. As an example we regularly assist our funds department on the tax aspects of the structuring of regulated and unregulated real estate, private equity or debt assets funds. In addition, we are able to cover most of the countries in which you are doing business thanks to our close collaboration with highly qualified CMS experts.

Indeed CMS alliance is composed of more than 350 tax lawyers who are supported by strong technical tax intelligence teams that identify developments in tax law and policy affecting your business. This multi-disciplinary approach helps you develop robust structures that maximise tax effectiveness in alignment with your commercial strategy.

Our teams work together across Europe and beyond in the key areas affecting your business including VAT, international taxation, transfer pricing, e-commerce, M&A and investment funds, tax planning and financing.

Awards & Recognitions
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  • Quote
    "Bilingual team; pleasant to work with; very friendly in their communication; keeping deadlines most of the times, pragmatic approach."
    Legal 500, 2022
  • Quote
    "The whole team managed to provide efficient advice in line with our needs."
    Legal 500, 2022
  • Quote
    "Good knowledge regarding transfer pricing."
    Legal 500, 2022
  • Quote
    "Very strong on international/cross-border tax issues."
    Legal 500, 2022
  • Quote
    "The CMS team is always extremely responsive and can work very efficiently, even with tight schedules."
    Chambers and Partners, 2025
  • Quote
    "Their ability to provide tax advice that is not only compliant but also strategically aligned with our business goals is invaluable."
    Chambers and Partners, 2025
  • Quote
    "Their commitment to client service, responsiveness and proactive approach make them a valuable partner in managing our tax-related matters."
    Chambers and Partners, 2025
  • Quote
    "CMS has a highly sophisticated team, with a very good sense of prevailing regulations outside of Luxembourg."
    Chambers and Partners, 2025
  • Quote
    "CMS handles complex matters in a very straightforward way, with positive results. The whole team shows a great level of commitment."
    Chambers and Partners, 2025
  • Quote
    "The team has years of experience working in specialized sectors, giving them a nuanced understanding of market trends, regulations, and challenges."
    Legal 500, 2025
  • Quote
    "What makes this practice truly unique is its blend of deep expertise and an innovative approach to problem-solving."
    Legal 500, 2025
  • Quote
    "Compared to other firms, this practice differentiates itself through its combination of cutting-edge innovation and a personal, client-focused approach."
    Legal 500, 2025
  • Quote
    "The practice is recognized not just for its technical excellence but also its ability to innovate and adapt in an evolving industry landscape."
    Legal 500, 2025

Events

  • Scenic of panorama view of sunrise skyline and cityscape with light tail on road into metropolis, Bangkok, Thailand
    Luxembourg
    24 Apr 2025

    Cross-Border Financial Services 2025 webinar series

  • Luxembourg
    07 May 2025

    On the Pulse webinar series 2025 - Spring/Summer

  • Luxembourg
    14 May 2025

    AI Internal Governance in the Financial Sector

  • Luxembourg
    17 May 2025

    CMS at INTA 2025

  • Luxembourg
    21 May 2025

    WEBINAR | Practical impacts of Luxembourg establishment law

Local market knowledge. Global outlook

We provide future-facing legal advice to help your organisation thrive. Combining local market knowledge and a global perspective, and with lawyers in locations worldwide, your organisation benefits from the expertise it needs, even across borders.

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