Who We Are
tailax is a specialised tax advisory firm based in Vienna, with a clear focus on complex tax matters. As a young firm, we combine a modern mindset with the many years of experience and in-depth expertise of our partners.
Our firm is led by three partners with complementary areas of expertise. We work as a closely coordinated team: our clients benefit not only from the expertise of their individual contact partner, but also from the combined analysis, discussion and experience of all three partners.
Personal service at the highest professional level is a core part of our approach. Every client is advised directly and personally—from the initial planning stage through to implementation. This ensures clear responsibility, consistent oversight and a high standard of quality throughout.
We deliberately focus on selected areas in which our specialisation enables us to create genuine added value. For related matters, we draw on an established network of experienced lawyers, notaries, auditors, real estate agents and valuation experts. This allows us to coordinate interdisciplinary matters efficiently, seamlessly and through a single point of contact.
Our Philosophy
Florian Riha
Partner | Tax Adviser
Florian Riha is a tax adviser with a background in law and a founding partner of tailax. He advises companies, investors and private clients, particularly on real estate transactions, tax structuring, reorganisations and complex matters of international tax law. He combines in-depth tax expertise with a strong commercial understanding and personally supports his clients from the initial analysis through to implementation.
Nikolaus Putz
Partner | Tax Adviser
As a founding partner of tailax, Nikolaus Putz combines a background in law with in-depth tax expertise, with a particular focus on start-ups and corporate structuring. His work includes reorganisations, international tax matters and the development of sustainable tax strategies for companies and investors.
Christian Strauß
Partner | Tax Adviser
Christian Strauß is a tax adviser and founding partner of tailax, Strauß & Heim Steuerberatung and 50kn. His practice focuses on advising corporate groups, family offices, entrepreneurial families and high-net-worth individuals on tax matters. His key areas of expertise include international tax law, transactions and restructurings, corporate group taxation and transfer pricing. He advises clients on complex cross-border projects and develops practical solutions at the intersection of tax law, corporate law and business strategy.As the author of numerous professional publications, Christian Strauß regularly writes on current developments and issues in international taxation and transaction tax.



