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This Lünendonk Survey provides relevant key figures, data, developments and insights into the audit, tax & advisory market in Germany, based on comprehensive information from 82 audit firms and networks/alliances. The survey is aimed at auditing and tax consulting companies, market observers, academics, associations and politicians. In addition to information on market developments, it enables detailed benchmarking of companies with similar market positioning.
14 August 2025
February to May 2025
English, German
2.500,00 € – 3.000,00 €
excl. VAT | Alle Preise verstehen sich excl. VAT zzgl. Versandkosten
Key figures for the auditing and tax consulting market, such as revenues, markets, structures, trends and fees
All results of the comprehensive survey on structures, strategies, plans and restrictions of the 25 leading and 45 other medium-sized and smaller audit firms as well as twelve networks/alliances, included as a graphical evaluation and commented on and classified based on many years of market observation
Answers to a variety of relevant questions on market development, challenges, market forecasts and trends as well as an overview of what will happen in the market for auditing and tax consulting in the future – with assistance for strategic planning for provider and client companies
the Lünendonk ® List 2025 “Leading Audit, Tax and Advisory Companies in Germany”
“The Lünendonk Survey provides an interesting analysis of our entire industry. It also offers excellent insights into current developments in the market.“
Andrea Bruckner
Chairperson of the Board of Directors, BDO AG Wirtschaftsprüfungsgesellschaft
“The Lünendonk Survey of the Auditing Market is one of the key reference works for anyone interested in our industry. It provides a good overview of developments in the auditing market and the issues that concern professional services firms.“
Christoph Schenk
Managing Partner Audit & Assurance, Deloitte Germany
“The Lünendonk Survey is an established benchmark for assessing the market for auditors and tax consultants and is an important tool for us in our market and competition analysis.“
Prof. Dr. Andreas Blum
Senior Partner, dhpg
“The survey is important to us because it provides an up-to-date and independent overview of the market and current developments. We value the reliability and robustness of the data and the objectivity of the analysis. For us, the survey was an important benchmarking tool for assessing and comparing our own development as well as that of our competitors.“
Prof. Dr. Christian Zwirner
Partner, Dr. Kleeberg & Partner
“As an auditing and consulting firm, it is important for us to keep a close eye on the market. How is the competition performing? What are the latest trends and developments? The Lünendonk Survey provides comprehensive insights into these and many other questions, making it essential reading for us.“
Dr. Christoph Regierer
CEO, Forvis Mazars
“Lünendonk’s idea of bringing transparency to the auditing market through structured and well-founded market analysis convinced us right from the start. That is why we have been supporting the Lünendonk Surveys as a partner since the first edition. In addition to the interesting market insights, we benefit from the personal dialogue with Lünendonk, which helps us to classify our company and verify our strategic considerations.“
Martin Wambach
Managing Partner, Rödl & Partner
Insights that matter!
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