MTR Legal Law Firm Germany
Lawyers for Self-Disclosure
MTR Legal Law Firm Germany
Lawyers for Self-Disclosure
- Professional Advice
- immediate Help
- Protecting Your Rights






MTR Legal Law Firm Germany
Your law firm with a focus on Tax Law
MTR Legal has established itself as an experienced firm in the field of tax voluntary disclosures and is regarded as a competent partner for complex tax matters requiring discreet and expert guidance.
With a deep understanding of the nuances of tax audits, the determination of foreign income, tax defense, as well as the implementation of voluntary disclosures and subsequent notifications, MTR Legal provides comprehensive support. The firm has extensive experience advising clients faced with the necessity of accurate disclosure to tax authorities and offers strategic solutions to effectively minimize potential tax risks. MTR Legal is committed to providing individual and trustworthy client care, with the aim of achieving the best possible results while safeguarding the discretion and interests of clients.
Our services in the Area of Voluntary Disclosure
We invite you to learn more about our services in detail
Audit
- Legality of the addition
- Criminal tax proceedings
- Representation in appeal proceedings
- actual communication
- Tax investigation
Determination of foreign Income
- Determination of income
- Creation of a subsequent declaration
- Submitting a refund request
- Crediting of withholding tax
- Exemption and crediting
Tax Criminal Defense
- Comprehensive criminal defense
- Representation in the main hearing
- criminal notification
- Avoidance of fines and imprisonment
Self-disclosure / Late Registration
- Representation in criminal tax proceedings
- Determination of income
- Subsequent reporting of foreign income
- Objection to back payment interest
- Checking the interest on arrears
Internationally represented
As a member of the international network of lawyers IR Global, we are your contact for cross-border matters and also represent you in an international context.
Team of experienced Tax Law Lawyers
Extensive know-how, experience and assertiveness in the area of self-disclosure

Marc Klaas
- Lawyer, Partner
- Marc Klaas, a partner at MTR Legal, specializes in complex legal proceedings
- He advises both nationally and internationally across various industries, including aerospace and automotive
- Marc Klaas has an outstanding reputation and has been recognized multiple times as a top lawyer

Alexander Gottstein
- Lawyer, LL.B., Salary Partner
- Educated at Bucerius Law School and Chicago-Kent College of Law
- Extensive experience at leading law firms such as CMS Hasche Sigle and DLA Piper
- Extensive academic and practical experience for precise, strategic advice

Gökçe Aşkar
- Lawyer, Associate
- Business law attorney specializing in commercial law, international law, inheritance law, and procedural law.
- International communication in German, English, Turkish, and Spanish
- Studied law at the University of Cologne
About us - MTR Legal
Your full-service law firm with a focus on Tax Law
The law firm MTR Legal is distinguished by its particular focus on tax law, especially in the sensitive area of tax voluntary disclosures. Our team of experienced lawyers combines extensive knowledge with discretion and a deep understanding of the individual needs and concerns of our clients. We recognize that matters concerning voluntary disclosures not only have a legal dimension but also a personal one, and we place great importance on building a trusting and empathetic client relationship. MTR Legal stands for transparent, goal-oriented consultation aimed at achieving the best possible legal and tax results for our clients, while ensuring the protection of their privacy and interests.





5000+
Mandates
Team
prof. Lawyers
experienced lawyers
Global
Internationally active
8
Offices
Competence that convinces.
Trust in the expertise of our Tax Lawyers and put your Tax matters in the right hands.
Legal advice from MTR Legal: Your path to a solution
Your legal roadmap: First steps, sound advice, targeted solutions
1. Schedule Appointment
Use our callback form for an easy appointment arrangement that suits your schedule. If you prefer an immediate conversation, you can of course also call directly.
2. Individual Analysis
After you make contact, MTR Legal provides detailed legal advice. Your situation will be analyzed carefully, legal parameters established, and an individual strategy developed for an effective solution to your issue.
3. Assistance & Representation
We advocate for your interests, whether in out-of-court negotiations or in court proceedings. With a deep knowledge of the law and a strong focus on a solutions-oriented approach, MTR Legal aims to achieve the best outcome for you.
Your first step to legal clarity!
Book your consultation – choose your preferred date online or give us a call.
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