Wolfgang Heinze
Business school graduate
Chartered Accountant
Certified Tax Advisor
Wolfgang Heinze has been working for the firm since 2005. Before that, he had many years of experience in interdisciplinary services working for well-known medium-sized auditing companies. Wolfgang Heinze specialises in national and international tax law, the preparation and auditing of annual statements, advice on corporate finance, prospect auditing, and conceptional tax consultancy in connection with real estate.
Further Information about Wolfgang Heinze (Datasheet pdf, 28 kb)
Dr. Marc Oliver Wenk
Business school graduate
Chartered Accountant
Certified Tax Advisor
Dr. Marc Oliver Wenk has been working for the firm since 2012. Before that, he had many years of experience in interdisciplinary services working for well-known medium and big-sized auditing companies. Dr. Marc Oliver Wenk specialises in national and international tax law, the preparation and auditing of annual statements, advice on corporate finance and questions regarding national and international accounting.
Further Information about Dr. Marc Oliver Wenk (Datasheet pdf, 69 kb)
Gert Haux
Business school graduate
Chartered Accountant
Certified Tax Advisor
The auditing and tax consultancy company was founded in 1972 with Gert Haux being a foundation member. Gert Haux specialises in national and international tax law, support in tax planning, conceptional tax consultancy in connection with real estate, and litigation before fiscal courts.
Michael Eichberger
Business school graduate
Certified Tax Advisor
Michael Eichberger joined the firm in 1977. Before that, he worked for one of the big auditing companies. Michael Eichberger specialises in national and international tax law, support in tax planning and conceptional tax consultancy in connection with media, venture capital, and real estate.
Heidi Walter
Business school graduate
Heidi Walter has been working for the firm since 2014. Mrs. Walter looks back on many years of experience in interdisciplinary services working for well-known medium-sized auditing companies. Heidi Walter specialises in the preparation and auditing of annual statements and consolidated financial statements according to national and international accounting.
Susanne Buchholz
Executive Assistant
Susanne Buchholz has been working at FIDIA since 2015. Her tasks include supporting the Managing Directors in all administrative matters and the completion of all work related to administration, correspondence and client support.
Eden Niedermeier
Executive Assistant
Eden Niedermeier has been working at FIDIA since 2024. Her tasks include supporting the Managing Directors in all administrative matters and the completion of all work related to administration, correspondence and client support.
Mandy Ahiante
Business Economist
Qualified accountant
Mandy Ahiante joined the firm in 2014 as a tax compliance assistant and qualified accountant. She specialises mainly in the preparation of annual financial statements and tax returns and regular payroll and financial accounting.
Hülya Cakir
Tax compliance assistant
Qualified accountant
Hülya Cakir joined the firm in 1997 as a tax compliance assistant. During her employment with FIDIA she passed the qualified accountant examination in 2004. She specialises mainly in the preparation of annual financial statements and tax returns and regular payroll and financial accounting.
Janine Lutz
Bachelor of Arts
Tax assistant and auditor
Janine Lutz has been working for the firm since 2016. She specialises in the preparation and auditing of Financial Statements and ongoing tax consulting and business advisory services.
Claudia Profanter
Tax specialist
Claudia Profanter has been working for the firm since 2014 as a tax consultant assistant. She specialises mainly in the preparation of annual financial statements and the preparation of tax returns and in regular payroll and financial accounting.
Caroline Schmidt
Tax specialist
Qualified accountant
Caroline Schmidt joined FIDIA in 2010. Her main areas of expertise include the preparation of annual financial statements and tax returns as well as the management of ongoing payroll and financial accounting.
Rinaroye Schmitzberger
Tax specialist
Rinaroye Schmitzberger joined FIDIA in 2024. Her main areas of expertise include the preparation of annual financial statements and tax returns as well as the management of ongoing payroll and financial accounting.
Melanie Unzeitig
Assistant tax consultant
Qualified accountant
Melanie Unzeitig joined FIDIA in 2019. Her main areas of expertise include the preparation of annual financial statements and tax returns as well as the management of ongoing payroll and financial accounting.
Lisa Westner
Master of Science
tax and audit assistant
Lisa Westner joined FIDIA in 2019. Her main areas of expertise include the preparation and auditing of annual financial statements as well as consulting in tax and business management issues.
Lisa Ukelli
Apprentice
Lisa Ukelli joined FIDIA as an apprentice in 2023.