WTS Klient received an excellent rating, i.e. Tier 2 classification, in three categories in the ITR World Tax 2026 ranking, which means that the company is among the best tax consulting firms in Hungary after Big 4. Five of our advisers were included in ITR World Tax Leaders 2026, the ranking of the world’s best tax experts.
ITR World Tax 2026
In mid-October 2025, ITR (International Tax Review) published its current rankings of the world’s most recognised tax consulting firms and tax practitioners. ITR World Tax 2026 lists WTS Klient in Tier 2 in three categories:
- General corporate tax: Tier 2
- Indirect tax: Tier 2
- Transfer pricing: Tier 2
ITR World Tax Leaders 2026
In the country-by-country ranking of the world’s best tax practitioners, ITR World Tax Leaders 2026, five of our advisers were included again this year, similarly to last year.
- Réka Kiss, Director at WTS Klient, received a “Highly regarded” rating in the general corporate tax category
- Tamás Gyányi, Senior Partner at WTS Klient, received a “Highly regarded” rating in the indirect tax category
- András Szadai, Partner, Head of Tax Services at WTS Klient, received a “Highly regarded” rating in the indirect tax category
- Tamás László, Director at WTS Klient, received a “Rising star” rating in the indirect tax category
- Zoltán Cseri, Senior Manager at WTS Klient, received the title of “Rising star” in the indirect tax category
According to the ranking, Tamás Gyányi and András Szadai are among the nine best indirect tax advisers in Hungary, while Réka Kiss is one of the four best general corporate tax experts in the country. Tamás László and Zoltán Cseri were named “Rising Stars” for the third time. A total of eight young tax professionals in Hungary received this title this year.
Meet WTS Klient’s renowned tax advisers!
Réka Kiss started her professional career as a tax adviser assistant at Noerr Hungary before joining the WTS Klient team, where she currently holds the position of tax director. She spent a year in the VAT department of WTS Germany’s Munich office. Her main areas of expertise are global expatriate tax services, mergers and due diligences before acquisitions.
After his years at a Big4 company, Tamás Gyányi joined Klient in 2004. His name is synonymous with the establishment of the company’s tax consulting division, which has since become one of the strongest bastions of WTS Klient. In 2014, he was appointed a tax partner of the firm, then in March 2022, a senior partner of the tax advisory, payroll and later the HR services divisions. He has been ranked as “Highly regarded” in the ITR World Tax Leaders 2026 for the 10th time, meaning he has been awarded this title every year since 2017.
András Szadai started as a trainee in the tax team of Klient in 2006, after his college studies. He worked as a tax adviser in London for two years and gained experience also in the transfer pricing group of WTS in Munich for 4 months. Since 2022 he has been head of the tax consulting division of WTS Klient as a partner.
Tamás László economist, tax consultant and certified VAT expert. He mainly deals with VAT issues and tax representation for international companies, handling tax and transfer pricing advice, VAT registration, tax audits, tax planning and due diligence, and he is an outstanding expert in digital solutions in taxation and the related IT-developments.
Zoltán Cseri started his professional career as an intern at WTS Klient. He is a tax consultant, a certified tax adviser, qualified transfer pricing expert and environmental product fee expert, so his main areas of expertise include VAT, transfer pricing and expatriate tax advice, as well as environmental product fee and EPR consulting.
