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  • 2026 Annual Tax and Customs Control Plan: Key Issues and Risk Areas for Taxpayers
    13 Mar 2026 2 min read
  • EU–India FTA – Entering India’s Automotive Market
    03 Feb 2026 10 min read

In today’s globalised environment, tax regulation is becoming more and more complex from both a domestic and international perspective, especially when considering the continuous amendments being made to domestic legislation in order to adapt to international law requirements. Such complexity poses a significant challenge to individuals and enterprises in view of the need to remain up-to-date with the tax regulation affecting their activities.

The numerous tax authorities are progressively doing more to prevent fraud in their territories and increase collaboration between jurisdictions via the exchange of information, thus reinforcing the need for lawyers with a comprehensive grasp of tax regulation. The CMS network employs more than 500 tax professionals with vast knowledge of both domestic and international tax law, comprising a multinational specialist organisation covering all tax-related aspects.

Such level of organisation enables us to provide comprehensive advice to clients on the application of the regulatory norms of different taxes and the procedures to follow in order to comply with tax obligations, not forgetting, of course, the possibility of challenging the tax authorities when considering their actions to have breached legal provisions.

Tax Insights

2026 Annual Tax and Customs Control Plan: Key Issues and Risk Areas for Taxpayers

13 Mar 2026 2 min read

Cross‑Border Tax Forecast 2026

26 Feb 2026 2 min read

EU–India FTA – Entering India’s Automotive Market

03 Feb 2026 10 min read

CMS International Disputes Digest – 2025 Winter Edition

17 Dec 2025 3 min read

Pillar One – Amount B: What it is and why it matters

03 Dec 2025 6 min read

CMS Expert Guide to Transfer Pricing Documentation

12 Nov 2025 2 min read

CMS Expert Guide to Pensions

06 Oct 2025 2 min read

CMS Annual Tax Conference 2025

26 Mar 2025

Events

  • Spain
    08 Apr 2026

    CMS at Fordham IP & Policy Conference

  • Spain
    16 Apr 2026

    Green claims in focus

  • Spain
    21 Apr 2026

    On the Pulse webinar series 2026 - Spring/Summer

  • Spain
    28 Apr 2026

    IP Insights webinar series 2026

  • Spain
    02 May 2026

    CMS at INTA 2026

  • Spain
    05 May 2026

    Joint seminar with CMS and Tannenbaum Helpern - A global perspective on securing, maintaining, and enforcing...

  • Spain
    28 May 2026

    CMS International Crypto Forum 2026

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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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