Zwirner Law
Swiss Attorney - Debt Bankruptcy & Financial Law
Swiss Attorney - Debt Bankruptcy & Financial Law
Swiss Attorney | Debt Bankruptcy & Financial Law Specialist
Sonia Eichenberger-Zwirner is a Swiss-qualified attorney specializing in debt bankruptcy, fund recovery, and international financial disputes. Based in Schwyz, she represents individuals and institutions in complex, cross-border cases involving debt restructuring, bankruptcy proceedings, and financial misconduct.
In fraud cases, timing is critical. We prioritize rapid case evaluation, emergency asset preservation, and immediate legal measures to prevent dissipation or further wrongdoing.
Discretion is paramount. We maintain strict confidentiality throughout engagement, protecting client identity and sensitive case details through privileged communications and secure information handling.
We focus on measurable outcomes: asset recovery, fund protection, regulatory compliance, or dispute resolution. Every legal action is designed with the client's strategic objective in mind.
We work according to applicable regulations and laws, including MIFID2 standards and Swiss Bar Association requirements. We apply regulatory frameworks to ensure compliance and maximize recovery potential.
Sonia's practice has resulted in significant recoveries and successful outcomes for clients across diverse financial and debt bankruptcy disputes.
Due to our privacy agreement with our clients, we do not disclose full client information. The following testimonials are provided with client initials and location only.
"Sonia's rapid response to our internet fraud case made all the difference. Within 48 hours, she had filed emergency motions and coordinated with financial institutions. The speed and expertise were exceptional."
"We needed discreet, high-level counsel for a sensitive financial dispute. Sonia delivered both confidentiality and decisive legal strategy. Highly recommended."
"As a fintech platform, we required comprehensive AML compliance review. Sonia provided practical guidance that was both rigorous and implementable. Her understanding of regulatory landscape is invaluable."
These controls provide institutional clients and high-net-worth individuals with verifiable assurance that every mandate is executed under Swiss and European legal best practices.
Sonia Eichenberger-Zwirner is listed in professional legal directories and maintains active membership with Swiss regulatory and professional organizations.
Verified member of the Swiss Bar Association (SAV). Full compliance with professional ethics and continuing education requirements.
Licensed attorney registered with the Canton of Schwyz Bar Association (AVSZ). Admitted to practice since 2020.
Expertise in FINMA regulatory compliance. Advises financial institutions on AML/KYC requirements and regulatory matters.
Practices in accordance with Swiss federal law, including the Debt Enforcement and Bankruptcy Act (SchKG) and Money Laundering Act (GwG).
Sonia offers confidential consultations to assess your legal options and develop a strategy tailored to your specific situation.