About Us

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Natalia Razheva - US Taxland

Natalia Razheva

Natalia is an experienced US Tax professional, providing tax compliance and consulting services in many areas of US tax law for more than 15 years.

Natalia is a Certified Public Accountant (CPA) licensed in California. She holds Master of Science degrees in Taxation and Accounting from Golden Gate University, San Francisco.

Natalia started her career in US taxation in a San Francisco boutique CPA firm that specialized in international aspects of US tax law. After moving to Switzerland in 2015, she acquired a great amount of expertise and experience in helping clients with voluntary disclosure programs, expatriation tax planning and compliance, and other matters that are unique for Americans living abroad. Natalia is highly regarded by her clients for her knowledge and professionalism.

Natalia speaks fluent English and Russian.

Professional credentials


Jan Rintelen - US Taxland

Jan Rintelen

Jan is a Technical Director and Web Administrator with many years of experience in web development, and IT and technical support.

Jan graduated from the University of Zurich with Master's degree in Sociology, International Law and Political Science. He has a diverse professional background, from working in an embassy to running a media licensing department in a publishing house. Jan always had a passion for software and web development that grew into a fulfilling and successful career.

Jan speaks fluent German, Swiss German and English.


We are a team of dedicated professionals happy to take the burden of US tax filings off your shoulders and make your life a bit easier. We have many years of experience helping US based and international clients with annual tax filings, submissions under voluntary disclosure programs, expatriation tax planning, and with many other US tax matters.

You can find the full list of our US tax services here.

Our principles

We take pride in what we do, and satisfaction of our clients is very important to us. We adhere to principles that we believe are essential in delivering the highest quality professional services:

  • We are reliable
    We answer e-mails within one business day, and we keep you updated on where things stand
  • We are fair with our prices
    Our fees are based on scope of work and will not exceed the amount that you agree on before work is started
  • We have time for you
    We understand that US tax is not an easy subject. We take time to explain things and answer your questions
  • We deliver on time
    We always meet deadlines and deliver work within the given estimated time frame
  • We protect your privacy
    To ensure security of highly sensitive personal and financial data, we exchange information with clients via an easily accessible secure cloud-based portal

As each person is unique, and so is their tax situation, contact us for further information and assistance.

What can we do for you?

If you would like to send us confidential documents, please use our secure client portal.

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Our key services

Expatriation consulting and tax compliance
Gifts – giving and receiving
Foreign owner of US single member LLC
Form 8858 – Foreign rental, Foreign self-employment, US owner of foreign disregarded entity

Services overview