High-quality consulting

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International corporate law

nbs partners advises mid-sized and capital market-oriented companies as well as private individuals from Hamburg. Personal. Interdisciplinary. Forward looking. For more than 40 years.

Our aspiration: We stand by your side. At all times. We make your project our joint project – and create real added value. By not only guiding, but also pointing out new opportunities and paths. We understand entrepreneurs, because we are entrepreneurs. You can count on that.


We understand the law – and look after your rights.


We do not just audit your financials. We examine your opportunities.


We know what you need to know – create room for you to manoeuvre.


nbs partners has received the certificate “Climate Neutral Company”

We have received the certificate "Climate Neutral Company" for the first time. This means that we have reduced our emissions of Greenhouse Gases to zero emissions by reduction and compensation. We are pleased that we have taken this first step and thereby made a small contribution to climate protection. Supporting the 17 Sustainable Development Goals (SDGs) of the United Nations for sustainable development on an economic, social and ecological level is a matter of personal concern to us. However, we are clearly aware that this is just the starting point and that we must work together to contin…

Germany’s best tax advisors 2024 – nbs partners receives award again

Germany’s most renowned financial newspaper Handelsblatt has once again honored tax advisory firms in the field of tax advisory for the year 2024. nbs partners is once again one of the top tax advisory firms in Germany and receives the "Best Tax Advisors 2024" award from Handelsblatt. "It fills us with pride that our quality has also been confirmed externally in this way," says Boris Michels, partner and tax consultant at nbs partners.  In the study conducted by the Hamburg-based market research company S.W.I. Finance Deutschland on behalf of Handelsblatt, the aim is to answer speci…

Germany’s best auditors 2024 – nbs partners again receives award

Germany’s most renowned financial newspaper Handelsblatt has honored CPA firms in the field of auditing for the year 2024. nbs partners is once again one of the top CPA firms in Germany and receives the "Best CPAs 2024" award from Handelsblatt. "We are very proud that our auditors have once again been recognized by Handelsblatt. This once again confirms our own claim, which we also see in the growth segment of sustainability reporting and its auditing in the coming years," says Tobias Schreiber, partner and auditor at nbs partners.  In the study conducted by the Hamburg-based market…

Two new Sustainability-Auditors (IDW) at nbs partners

We are very happy to announce that our CPAs Boris Michels and Daniel-André Danneberg have both received the qualification of Sustainability-AuditorIDW. They are among the first group of German and Swiss CPAs who have passed this new exam organized by the German Institute of Certified Public Accountans and Expert Suisse for the first time in 2023. By this, we are in an outstanding and first mover position to advise our clients in setting up state of the art sustainability reports or audit / review such reports. Do you need support? Then please contact us, we will be happy to help you.…

CSDDD: Corporate Sustainability Due Diligence Directive – what companies need to know now

On 14 December 2023, the European Council and the European Parliament reached a provisional agreement on the Corporate Sustainability Due Diligence Directive (CSDDD). The directive, which is also known as the European Supply Chain Act, is intended to improve the human rights situation, protect environmental concerns and advance international climate protection goals. The downstream value chain must also be taken into account. Scope of application The CSDDD will cover large companies with more than 500 employees and a global net turnover of more than EUR 150 million. Companies with more t…



Boris Michels


German Public Auditor  · CPA · Tax Consultant · CVA

Daniel Danneberg

Senior Manager

German Public Auditor · Tax Consultant

Dirk Kohlenberg


Attorney at Law

Dr. Karsten Bornholdt


Attorny at Law · Certified Lawyer for Banking and Capital Market Law

Dr. Martin F. Köhler

Of Counsel

Attorney at Law – Exec. MBL (HSG, St. Gallen) – Corporate Compliance Professional (FSFM)

Jaroslaw Norbert Nowak LL.M.

Rechtsanwalt · zertifizierter Compliance Officer (TÜV) · zertifizierter Datenschutzbeauftragter (TÜV)

Nadine Garir

Attorney at Law  · Specialist lawyer for information technology law  · Data Protection Commissioner (TÜV)

Olaf Matschernus

Attorney at Law

Pascal Verma


Attorney at Law

Tino Rühmkorb


German Public Auditor

Tobias Schreiber


German Public Auditor · CPA

Wolfgang Paul

Attorney at Law