Expert Tax Litigation Support – When Dealing with Tax Audits and Disputes, Trust the Specialists

Navigating Tax Disputes? You’re Not Alone

Tax matters aren’t just about numbers – they’re about strategic decisions that protect your business, its reputation, and your personal accountability. That’s why Thedy & Partners has created a dedicated Tax Litigation Team – a group of seasoned lawyers and tax advisors who represent clients in interactions with tax authorities, administrative courts, and international institutions.

With a 100% success rate in tax refund proceedings, our experts know how to protect your interests and secure tangible results. In one recent case, we recovered over PLN 25 million in overpaid tax for a client.

What We Do – Key Areas of Tax Litigation and Advisory

Representation in Proceedings

• Tax audits and fiscal inspections

• Administrative tax proceedings and tax assessments

• Requests for individual tax rulings and Binding Rate Information (WIS)

• Litigation before Polish administrative courts (WSA, NSA)

• Representation before the Constitutional Tribunal, the Court of Justice of the EU, European Commission, and the European Court of Human Rights

Overpayment Recovery – With Proven Results

• We initiate and manage tax refund proceedings on behalf of our clients. 100% success rate in identified refund cases
• Full recovery in nearly every case

  Tax Risk Management

• Designing internal procedures to mitigate tax risks

• GAAR and “mini-GAAR” transaction reviews

• Tax scheme analysis and MDR reporting support

• Criminal and fiscal-criminal defence in tax matters

Tax Debt and Enforcement Support

• Calculating and settling overdue tax liabilities and interest

• Applying for tax reliefs (e.g., payment deferrals or instalment plans)

• Gathering evidence to qualify for exemptions or reliefs

• Representing clients in enforcement proceedings

Why Work with Our Tax Litigation Team? Expertise You Can Trust

Our team includes over a dozen seasoned professionals—tax advisors and attorneys with years of experience in complex tax proceedings, litigation, and strategic risk management.

Peace of Mind During Tax Proceedings

We understand how stressful interactions with tax authorities can be. Our involvement removes the burden and allows you to focus on your business while we build a strategy that protects your interests.

Efficient Use of Your Resources

With our deep procedural experience, we help save valuable time and internal resources of your tax or finance teams.

Tailored Strategy, Not Templates

Unlike many firms, we never apply one-size-fits-all solutions. Every case is unique, and we build a tailored argumentation and litigation strategy to match.

Contact Our Tax Litigation Leaders

Michał Nielepkowicz (michal.nielepkowicz@thedy.pl)
Lesław Mazur (leslaw.mazur@thedy.pl)
Piotr Kalemba (piotr.kalemba@thedy.pl)