MARKETS

Audit & Tax

Your sparring partner for the audit and consulting market — from regulation and ESG to digitalisation, data-driven and independent.

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Audit & Tax

Figures that make the difference

The audit and tax consulting market is under pressure due to new regulatory requirements, ESG reporting, digital platforms and automation, which are changing business models and competitive structures for both the Big Four and medium-sized providers. Lünendonk offers guidance amid this complexity. Our market analyses provide dependable data for strategy, positioning and growth. Perfect if you want to keep a handle on the audit and tax market and ensure your decisions are smart ones.

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Lünendonk-Studie 2026: Tax Technology 3.0

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Lünendonk-Blitzumfrage 2025: Rückblick und Ausblick auf die deutschen B2B-Service-Märkte

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Lünendonk-Dossier 2025: Zukunft der Steuerberatung – Systemdruck, Strukturbruch und Strategien für den Wandel

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With knowledge that delivers impact – for everyone who wants to shape markets.

Our focus topics

In the constantly evolving B2B services markets, it is crucial to identify relevant trends early and prepare them for the target audience.

This is exactly where Lünendonk comes in: With studies, topic dossiers, white papers and magazines, we shed light on current trends and future developments and complement our annual market analyses to create a holistic picture.

There are concepts for all studies. Focus topics are defined jointly with the survey partners.

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IT modernisation & cloud transformation IT modernisation & cloud transformation
FinOps & cloud economics FinOps & cloud economics
CSRD reporting & twin transformation CSRD reporting & twin transformation
AI scaling AI scaling
Cyber security Cyber security
Digital sovereignty Digital sovereignty
Digital transformation in the mid-market Digital transformation in the mid-market
Digital Outlook: Health insurance funds Digital Outlook: Health insurance funds
Digital Outlook: Energy industry Digital Outlook: Energy industry
Digital Outlook: Insurance Digital Outlook: Insurance
WITH KNOWLEDGE THAT DELIVERS IMPACT – FOR EVERYONE WHO WANTS TO SHAPE MARKETS.

Our references

With our commitment, expertise and personalised approach, we have earned your trust and consistently delivered exceptional results.

All references

“The Lünendonk survey provides an interesting analysis of our entire industry. It also repeatedly offers very good insights into current developments in the market.”

Andrea Bruckner

Chair of the Executive Board, BDO AG Wirtschaftsprüfungsgesellschaft

“The Lünendonk survey on the audit market is one of the key reference works for anyone interested in our industry. It provides a good overview of the development of the audit market and the topics that are shaping professional services firms.”

Christoph Schenk

Managing Partner Audit&Assurance, Deloitte Germany

“The Lünendonk survey is an established benchmark for assessing the audit and tax advisory market and, for us, an important tool in market and competitive analysis.”

Prof. Dr. Andreas Blum

Senior Partner, dhpg

“The survey is important to us because it provides a current 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 to assess and compare our own development as well as that of our competitors.”

Prof. Dr. Christian Zwirner

Partner, Dr. Kleeberg & Partner

“As an audit and consulting firm, it is important for us to always keep a close eye on the market. What drives the competition? What are the latest trends and developments? The Lünendonk survey provides comprehensive insights on these and many other questions, making it essential reading for us.”

Dr. Christoph Regierer

CEO, Forvis Mazars

Managing Partner

Jörg Hossenfelder

Management, Audit

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NEWS & INSIGHTS

Alles auf einen Blick

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Zwei schwarze Kondensatormikrofone auf Mikrofonstativen mit Spinnenhalterungen, aufgenommen aus der Froschperspektive vor hellen Fenstern mit blauem Himmel – Symbolbild für die Podcast-Produktion bei Lünendonk.

#63 Zwischen Flaute und Aufbruch: Der deutsche IT-Dienstleistungsmarkt im Check

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Podcast

Der deutsche IT-Dienstleistungsmarkt steht an einem Wendepunkt: Während die konjunkturelle Zurückhaltung das Wachstum bremst, sorgen Künstliche Intelligenz, Cloud Transformation und steigende Nachfrage aus kritischen Branchen für neue Dynamik. Mit der Veröffentlichung der neuen Lünendonk-Listen der führenden IT-Beratungen und IT-Service-Unternehmen ist es der ideale Moment für einen tiefen Blick hinter die Zahlen. In dieser Podcast-Episode spricht…

Laptop auf einem hellen Büroschreibtisch zeigt die Lünendonk®-Liste 2026 der führenden IT-Beratungs- und Systemintegrations-Unternehmen in Deutschland. Im Hintergrund ein modernes, offenes Büro. Neben dem Laptop befinden sich eine Topfpflanze, ein Stiftehalter, ein Notizbuch, eine Brille und Haftnotizen.

Lünendonk-Listen 2026: IT-Dienstleistungsmarkt zeigt kaum Dynamik

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Presseinformation

Konjunktur bremst: IT-Dienstleister wachsen in Deutschland nur um durchschnittlich 2,9 Prozent | Uneinheitliche Nachfrage: Schwäche in Automotive und Industrie, Wachstum in KRITIS-Sektoren | Sehr hohes Effizienzpotenzial durch KI: IT-Dienstleister erwarten rückläufigen Personalbedarf bis 2028 | Gedämpfter Optimismus: Jeder zweite CIO plant 2027 zwar Budgeterhöhungen, allerdings auf einem geringen Niveau