Tax Disputes and Investigations
Comprehensive advice on and represenation within tax disputes and investigations conducted by tax authorities and administrative courts.
Key contact
The tax regulatory environment is becoming increasingly complex, with tax authorities taking a more proactive and assertive approach. CMS advises clients on disputes relating to direct and indirect taxes, tax audits, tax investigations and criminal tax proceedings. We support clients in preventing, managing and resolving tax disputes before tax authorities and administrative courts. Drawing on the strength of the CMS international network, we provide coordinated advice on both domestic and cross‑border tax disputes.
Further reading
Cross‑Border Tax Forecast 2026
Tax Disputes Digest - Summer 2025 Edition
CMS Expert Guide to Transfer Pricing Documentation
Legal experts for Tax Disputes and Investigations
Highlighted experience
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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