Tax litigation lawyer

At AlterTax, our specialization in tax litigation offers unrivalled expertise in defending your interests in the event of a tax dispute. Our team is equipped to handle both private and corporate litigation, offering strategic and legally compliant solutions.

Why choose us as your tax litigator?

Our firm stands out for its in-depth expertise and commitment to managing tax disputes. We combine in-depth knowledge of tax law, a personalized approach to each client, and a commitment to providing effective and compliant defense solutions. Choose AlterTax for reliable representation tailored to your tax litigation needs.

Committed to excellence

AlterTax is committed to excellence in tax litigation management. We aim for impeccable quality in our defense strategies, paying meticulous attention to every detail to ensure optimal solutions tailored to your specific situation.

In-depth expertise

With many years’ experience in tax litigation, our firm offers in-depth expertise in managing tax disputes. We ensure that our defense strategies are both robust and fully compliant with current tax laws.

Customized approach

As each customer is unique, we take a tailored approach to managing tax disputes. We work closely with you to understand your specific challenges and develop customized defense strategies, precisely tailored to your needs.

Commitment to customer satisfaction

Your satisfaction is our priority in managing your tax disputes. We are committed to providing clear recommendations, answering your questions promptly, and establishing a lasting relationship of trust, based on the quality of our legal representation.

At AlterTax, our mission is to provide exceptional added value in the management of tax disputes. We meet our customers’ specific needs with personalized, specialized services. Our customer-focused approach enables us to gain a deep understanding of your tax issues and develop tailor-made defense strategies, optimizing your chances of success.

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Our services as tax litigation specialists

Our firm excels in managing tax disputes, offering expertise dedicated to both individuals and businesses. We focus on tailor-made solutions, from tax audit defense to litigation representation. Our mastery of national and international tax regulations enables us to propose customized, effective defense strategies.


Tax lawyer

As a specialisttax lawyer, we offer in-depth legal advice to effectively manage your tax obligations and entitlements. Our expertise extends to all aspects of taxation, ensuring a comprehensive approach for both individuals and businesses.

Tax advice

We offer strategic tax advice, aimed at optimizing your tax situation while complying with current regulations. Our aim is to help you navigate the complex tax landscape with confidence and clarity.

Tax audit lawyer

As atax audit lawyer, our team offers expert representation to defend your interests. We intervene at every stage of the process to minimize the risks and potential impact on your financial situation.

International tax lawyer

Our expertise asinternational tax lawyers can help you manage the tax challenges associated with cross-border operations. We provide legal advice on how to effectively navigate multiple and complex tax regulations.

Tax litigation lawyer

As alawyer specializing in tax litigation, we represent and defend your interests in tax disputes. Our approach is aimed at resolving disputes with the tax authorities effectively, with priority given to amicable solutions or representation before the courts.

Wealth lawyer

We offer specialized legal expertise in wealth management, with a particular focus on real estate taxation. We help our customers optimize the tax impact of their real estate assets, whether for management, acquisition or transfer.

It’s good to be informed, but it’s even better to be accompanied by an expert tax lawyer.

Let’s get in touch.

Tax litigation in Paris and worldwide

Based in Paris, our firm specializes in tax litigation, offering its expertise not only in the capital but also in several major French cities and abroad. Whether you’re based in Toulouse, Bordeaux, Lyon, Marseille or anywhere else in the world, our team is ready to help you with your tax disputes. We master local and international tax specificities, guaranteeing first-rate assistance wherever you are.

FAQ on tax litigation services

Here are some frequently asked questions about working as a tax litigator:

What is the role of a tax litigation lawyer?

A tax litigation lawyer specializes in resolving disputes between taxpayers and tax authorities. He advises and represents clients in dispute procedures, tax audits and negotiations with tax authorities.

When is it necessary to call on the services of a tax litigation lawyer?

It is advisable to call on the services of a tax litigation lawyer if you disagree with the decisions of the tax authorities, if you receive a notice of tax reassessment, or if you are the subject of a tax audit or investigation.

What kind of services does a tax litigator offer?

Services include representation before courts and tax authorities, negotiation of settlements, preparation of defenses against penalties or charges of tax fraud, and assistance with tax audits.

How can a tax litigation lawyer help reduce my tax penalties?

A tax litigator can negotiate with the tax authorities to reduce or cancel penalties, often by demonstrating the taxpayer’s good faith or identifying errors in the administration’s assessment.

Is it possible to challenge a tax ruling without going to court?

Yes, tax disputes can often be resolved through negotiation or administrative procedures before reaching the judicial stage. A tax litigator can help you explore and use these options.

Can a tax litigator handle international tax cases?

Yes, many tax litigators (like us) have the expertise to handle cases involving international tax laws and tax treaties between countries.

What's the difference between a tax lawyer and a tax litigator?

A tax lawyer generally focuses on tax planning and compliance, while a tax litigator specializes in resolving disputes and litigation with tax authorities.

Can tax litigation lawyers assist all types of clients?

Yes, they can represent a wide range of customers, including individuals, businesses, non-profit organizations and government entities.

Are the services of an international tax lawyer expensive?

Rates vary according to the complexity of your tax situation and the level of expertise required. It is advisable to discuss fees during the initial consultation. Please contact us to find out more.

What is the average duration of a tax dispute?

The duration of a tax dispute can vary considerably depending on its complexity, the administrative or legal procedures involved, and the speed of negotiations between the parties.

A tax litigation lawyer anywhere in the world? Is it possible?

As tax lawyers, we can intervene in most tax disputes before the tax authorities and administrative courts without geographical constraints. We also act for foreign administrations, whether to plead, advise or represent our clients in any city or country.