Welcome to

Your are reaching limits in finding optimized tax and corporate solutions or would like to avoid unnecessary tax and legal risks?

We are a law firm specialized in tax law, international taxation, structuring and corporate matters. Simple, fast, reliable, trustworthy with international experience and a comprehensive understanding of tax, legal and economic topics. Specialized tax and legal advice for advisors, professionals, private clients and expats.

Our Team

Dr. Mario Perl, LL.M.
Certified Tax Advisor

2002 – 07 | Business Studies, Vienna Business University (Mag. rer. soc. oec.)
2003 – 07 | Law Studies, Vienna University (Mag. iur.)
2007 – 10 | Doctoral Studies, Vienna University (Dr. iur.)
2009 – 10 | Postgradual Programm International Tax Law, Vienna Business University (LL.M.)
2007 – 09 | Research Assistant, Institut of Tax Law, University of Vienna
2010 – 12 | Tax Associate New York CPA Firm
2013 | Certified Public Accountant New York State (CPA)
2013 – 18 | Lawyer and Attorney at Schönherr Rechtsanwälte GmbH
2019 | Establishment of PERL TAX & LAW Law Firm
2021 | Certified Tax Advisor (StB)
Author of several books and articles in the area of tax law
Lecturing positions at several institutions and universities

Sifa Asan

2013 – current | Law Studies, Vienna University
2012 – 2014 | Erste Bank AG
2017 – 2018 | Willem C. Vis International Arbitration Moot Court
2018 – 2019 | Austrian Law Firm, Associate

Markus Leitner

2007 – 2013 | Business Studies, Vienna Business University (BSc.)
2013 – 2015 | Business and Entrepreneurial Studies, FH bfi Vienna (MA)
2015 – 2020 | Austrian Tax Advisor Firms, Tax Associate
2020 – current | Business Education Studies, Vienna Business University
2020 – current | Teaching positions

Our Five Core Values

1. Experts for Complex Matters

We are specialized and provide advice also in complex matters in domestic and cross-border situations. Based on that approach, we have years of experience in these matters and gained expert status. Get in contact with us to see how we may help you.

2. Cooperative & Team Players

We offer special services in tax and law for tax advisors, lawyers, notaries and accountants – to optimize or avoid tax risks. Thereby focusing on the cooperation with the advisor to offer the client the best solution. Contact us to extend your network and options for your clients.

3. Efficient & Cost Transparent

Cost transparency and efficiency are of highest importance. Quality has its price. However, it does not prevent a cost-efficient implementation of a project based on a lean cost structure. We may always provide you upfront with either a fixed fee arrangement or at least a fee estimate.

4. Connected & Networkers

As a boutique firm, we are permanently in contact with advisors in different areas and countries and built up a network. Based on that, we are able to recommend specialists in other areas to our clients. You do not know who is the right match for you? Get in contact with us – we may help you with our network.

5. Digital & Eco-Friendly

We run our firm mostly digital. We communicate via electronic means and avoid using and printing paper as much as possible. Our team is dedicated to use (excellent) public transporation in Vienna to and from work.

If you are interested in more information please get in contact with us:

E office@perltaxlaw.at
T +43 664 516 3886

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