KS Consulting

Who we are, what we do, what our values are

Specialized tools.
Knowledge from experience.


We provide high quality
advisory services in business transactions.






KS Consulting is an independent consulting company that serves exclusively the interests of its clients.


As a member of the NBB, we follow the guidelines of the International Business Brokers Association (IBBA) and the M&A Source Code of Ethics, which place emphasis on ethical principles such as independence, responsibility, competence, loyalty and confidentiality.


We are committed to maintaining the privacy of the information provided by our customers in accordance with international guidelines and methodologies.


We advise solely on value building, succession and mergers and acquisitions.
From the analysis, reporting and strategy consulting to the succession, re-organisation or sale of the company.


As a certified Value Builder Advisor and member of the NBB M&A Advisors network, we have the knowledge and tools to succeed in our projects.

“Price is what you pay, value is what you get”


Warren Buffet, Investor

Your advisor
Klaus Sonntag

Klaus Sonntag

Partner & Managing Director

Klaus Sonntag is an economist (University of Bremen and Heidelberg). Klaus is a certified advisor for corporate restructuring at the IFUS Institute in Heidelberg.

He has been a managing director and entrepreneur in Poland for many years.
As a consultant he runs internationalization and controlling projects.
In the area of mergers and acquisitions, he advises companies and investors in Poland and Europe on the acquisition and sale of companies as a partner of NBB M&A Advisors. He is also a certified advisor in Value Builder, a unique method of increasing the company value.