Tax Consultancy 4.0 – Welcome to ETL Hannes & Kollegen

We are a Berlin tax office with a digital orientation. We stand for modern tax advice with regard to current topics.

We love technology. With our electronic tenant PISA and our up-to-date newsroom, which provides a lot of interesting information and work aids, we provide you with a comprehensive entrepreneurial portal for your tax issues.

We live quality. Our quality management is DQS tested. We are certified according to ISO 9001: 2008 and are regularly checked by TÜV Rheinland. Our services always meet the specific needs of your company.

Learn more about us, our services and current tax news.