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VAT'S OUR PASSION

You can know something about everything or know a lot about something.

When we founded KMLZ in 2006, we decided on the latter and concentrated on VAT law. This specialization has since formed the basis for the qualified, practical and successful advice we offer our clients. KMLZ is a name, which has become synonymous with top-level VAT consultancy services.

Over the years, however, we have expanded our expertise to include not only VAT, but also other indirect taxes, such as insurance tax and excise duties, as well as customs law.

Our lawyers are in demand as acknowledged experts who are able to provide clients with clear and precise approaches and solutions. Today, our team, of more than 50 professionals in Munich and Düsseldorf, works on both national and international cases.

Our expertise is underscored by our regular contributions to leading professional publications, as well as by the requests we receive to participate as speakers at significant lectures and seminars.

How we work.

We do not use the subjunctive form. We provide you with clear statements. We commit ourselves because we are convinced. We will demonstrate our conviction – at home and abroad, before the tax authorities, and if necessary, also before the courts.

Our work does not stop at borders.

We advise our clients on matters in Europe and worldwide. We can draw on a strong network of experienced and leading VAT experts, in all Member States of the European Union and beyond, to provide our clients with international advice at the highest levels.

We support both small and large companies.

Our clients include companies of all sizes (from SMC to DAX listed companies). Our clients rely on our VAT expertise both in large and important cases and on a routine day to day basis.

We offer efficiency.

Rely on our expertise and thereby avoid time-consuming research and unnecessary risks. Treat us as your outsourced VAT department.

The Advisor’s Advisor

This is one of our service lines, tailored for tax consultants, lawyers, and certified public accountants.
Instruct us to solve your client’s complex VAT matters. We promise full client protection – we will not poach your client.

KMLZ News
VAT Newsletter 49/2025
Barter Transaction with User Data? New VAT Committee Working Paper

Digital business models are creating new challenges for EU VAT law: Are supposedly free IT services really free – or do we pay with our data? If so, this may qualify as a supply for consideration subject to VAT. A recent working paper from the EU VAT Committee provides further clarification on the existing guidelines and explains when there can be a direct link between IT services and personal data. In our newsletter, we give you a clear overview of the most important updates and background information.

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VAT’S UP ABROAD

A uniform Europe? Well – if you look at the different VAT rates which apply, and the different invoice hints for each member state, you might think otherwise. We have gathered all of the necessary info for you.


List of Countries
Introduction to VAT law

Updated twice a year


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VAT’S OUR BUSINESS
VAT The highest revenue generator of all taxes in Germany more
Customs law In times of globalization more
Criminal law At risk of attracting the attention of authorities more
Procedural VAT is a controversial topic more
Tax compliance Compliance measures as established grounds for minimisation of legal liability risks more
The Advisor’s Advisor Between generalists and specialists more
Excise duties Important for the tax authorities, special handling required more
Abroad / International Other countries, other regulations more
Declarations Knowing where the pitfalls lie and steering safely around them more
Digital Making the most of progress in order to play in the top league more




VAT’S YOUR FUTURE

If you think that VAT might get boring, dry and predictable in the long run, let us give you a very different picture of VAT in our world.


KMLZ AS AN EMPLOYER JOB OFFERS
Our responsibility

As a law firm specialising in VAT advice, it is our aim to provide the best possible service to our clients whilst adhering to ethical and moral standards. This Code of Conduct is intended to ensure that we as a company fulfil our responsibility towards our employees, society and the environment. We are committed to strictly complying with all laws and internal regulations and to creating a working environment based on trust, respect and partnership.


Code of Conduct
KMLZ Donation Projects

Whether it be decorating fir trees or hiding brooms, as the Norwegians do: At Christmas, we all enjoy reviving our most beautiful traditions. Many time-honoured traditions, as well as many new ones – like our fundraising campaign. Although it is only the second time we have organized it, we already know that we want to maintain this tradition to support those in need, into the future. It does not matter whether they are young or old and what kind of challenges they are facing in life.


There is one tradition, which we cannot forego:
to be there for one another.


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VAT’S OUR HOME
VAT’S YOUR PARTNER
Thomas represents our clients in VAT matters when dealing with the German tax authorities and before the tax courts, the German Federal Fiscal Court and the Court of Justice of the European Union.
PROF. DR. THOMAS KÜFFNER
Lawyer, Certified Tax Consultant, Certified Public Accountant
Ronny advises clients on all VAT matters in Germany and abroad. He specializes in cross-border VAT consulting connected to international VAT law and regularly lectures at professional events and in-house client VAT training sessions.
RONNY LANGER
Certified Tax Consultant, Dipl.-Finanzwirt (FH)
Oliver represents our clients in all VAT-related matters before the German tax authorities as well as the tax courts, the Federal Fiscal Court and the Court of Justice of the European Union.
PROF. DR. OLIVER ZUGMAIER
Lawyer
Eveline advises corporate groups and medium sized businesses on all VAT matters, with the majority of her clients operating in the retail and automotive sectors.
EVELINE BEER
Lawyer, Certified Tax Consultant


Christian advises our clients on all aspects of national and international VAT issues and specializes in customs and excise duty matters.
DR. CHRISTIAN SALDER
Lawyer, Certified Tax Consultant
Thomas advises our clients on all national and international VAT matters and issues positioned at the interface between VAT and insolvency law. He represents our clients in VAT disputes when dealing with the tax offices, before the German Federal Fiscal Court and the Court of Justice of the European Union.
DR. THOMAS STREIT, LL.M. EUR
Lawyer
Michael advises clients on all VAT matters and assists them with the structuring of their businesses in order to achieve VAT-optimization.
DR. MICHAEL RUST
Lawyer
Matthias advises both corporate groups and medium sized businesses on all national and international VAT matters.
DR. MATTHIAS OLDIGES
Lawyer


Fresa advises internationally operating clients on VAT matters. She specializes in cross-border VAT issues relating to international VAT law.
FRESA C. AMTHOR
Lawyer, Certified Tax Consultant
Dobrinka has extensive experience in VAT law and advises our clients on all national and international VAT matters. In addition, she specialises in customs and excise law.
DOBRINKA ATANASOVA
Lawyer
Markus advises both corporate groups and medium sized businesses regarding all national and international VAT matters.
Dr. MARKUS MÜLLER, LL.M.
Certified Tax Consultant, Dipl.-Finanzwirt (FH)
Jochen’s work focuses on advising clients on VAT implications in connection with real estate, VAT issues in the public sector and the implementation, realization, and auditing of tax compliance management systems.
DR. JOCHEN TILLMANNS
Lawyer, Dipl.-Finanzwirt (FH)


Atanas specializes in consulting on cross-border VAT issues and offers our clients advice on both domestic and international VAT matters. His work also includes advising on VAT compliance and representing clients in legal proceedings.
DR. ATANAS MATEEV
Dipl. Wirtschaftsjurist (univ.), Certified Tax Consultant