OnestopTaxPrep's business model is based on sustainability rather than growth and expansion. By carefully balancing the volume of clients against the level required to sustain the business, you, as our client, can count on more attention and better service.

OnestopTaxPrep was formed in 2009 and headed by Ashwin Dwarkasing.


Ashwin Dwarkasing


Now with over 20 years of specialization in international Dutch and U.S. Income Tax for individuals, Ashwin started his career in 1998 with the international tax division of PricewaterhouseCoopers NV in Amsterdam. At Pricewaterhouse Coopers he specialized in providing integrated Dutch and U.S. consultancy to expats and their employers, mainly large multinationals. In 2005, Ashwin joined TaXpat BV in Amsterdam focusing more on personal Dutch and U.S. taxation matters of the expats. The first step towards better addressing the needs of the most important factor; the person behind the tax return.


Click here for a full profile of Ashwin Dwarkasing.


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Anela Peša


Since February 2013, Anela has been assisting Dutch and U.S. taxpayers with their income tax concerns. Anela obtained her law degree in 2009 at the University of Zagreb, Croatia, after which she worked as a legal associate at Wolf Theiss. In 2013 she achieved her LL.M. degree in International and European Law at the University of Amsterdam. Now as an authorized U.S. tax preparer (Enrolled Agent), her focus is on consulting the U.S. citizens residing outside of the U.S. as well as the U.S. green card holders and residents with respect to the correct, yet the most beneficial reporting of their assets located in other countries and income deriving therefrom. Anela is the main point of contact for our Croatian/CEE clients.


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Lyritza Dwarkasing


Lyritza joined the onestopTaxPrep team in February of 2015. She studied International Business Management while working at ING Bank as a mortgage professional. Leaving ING after 10 years, she educated herself in graphic and web design. Now, finding her place at onestopTaxPrep, she focuses mainly on all matters related to Dutch taxation. Besides individual income tax, she also provides entrepreneurs with Dutch tax and administrative services. Lyritza will be finishing her Dutch Tax Law course in 2016.


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Lauma Jākobsone


Lauma is authroized U.S. tax preparer (IRS Enrolled Agent) and is the main point of contact for artists and musicians with U.S. tax filing obligations. She has graduated with distinction The Hague University of Applied Sciences, obtaining LL.B. degree in International and European Law with specialisation in commercial law. Lauma has an academic background in international and European taxation, multinationals and corruption and international investment law. She has written LL.B. thesis arguing the unfair and unproportionate effects of citizenship-based taxation on U.S. expatriates. Her experience in working and studying in multicultural environment gives her better understanding of the needs of international clients.


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Paul White


Paul is an American expatriate and long-term Dutch resident who joined the onestopTaxPrep team in 2016. He has a Bachelor of Business Administration degree in Accountancy from the University of Notre Dame, and a Master of International Management degree from the Thunderbird School of Global Management. Paul began his career as an auditor with Price Waterhouse in Boston, Massachusetts. With an international business career that spans more than 20 years, he has lived and worked in several European countries. Paul currently focuses on tax projects involving U.S. individuals.


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+31 85 8000 095

+31 20 8208 756

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+31 85 8000 092



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Mailing address:

P.O. Box 3959

1001 AT Amsterdam

The Netherlands


Visiting address:

Keizersgracht 241

2nd floor


The Netherlands

About us

OnestopTaxPrep has over 17 years of specialization in providing combined Dutch and U.S. tax preparation and consulting services. This specialization has assisted U.S. nationals living and / or working in The Netherlands and Dutch nationals living in the U.S.A.


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