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About us

Who we are and what we do at
sonntag corporate finance

Corporate News

At sonntag corporate finance we know:

To build your own business, you need more than just a clever idea.
You need passion, competence and enthusiasm.
We are on hand with the same drive when it comes to managing company successions and thus protecting lifelong enterprises.

As one of the largest providers of Mergers & Acquisitions (M&A) in the German SME sector, we advise our clients exclusively on the sale of companies – and have been doing so for more than 15 years. From anonymous market research to the final signing of the contract, Sonntag stands for professional service and the highest level of discretion.

For our innovative approach, we were already awarded the “Best of Consulting Mittelstand” award in the field of M&A by WirtschaftsWoche in 2018. And this year we can also look forward to 2 further awards as “TOP Consultant” and “TOP 100”.

Tc 21 Member        

100% passion

8 Partners

20 M&A experts

1 central site

> 50 current clients

24 successfully completed projects in 2022

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Why Sonntag Corporate Finance?


In addition to exclusive networks, personal market access and renowned platforms, we work the market ourselves. Intensively, actively and tirelessly. So that no opportunity is missed.


As a pioneer for anonymous bidding processes, we create the perfect decision-making basis for your M&A transaction in just 3 months.


So far we have been able to present relevant offers to all our CUSTOMERS within 3 months. After a mutually signed LOI, we achieve an outstanding success rate in closings.


We cover the entire process spectrum in the M&A sector. From initial tax advice to legal closing support.


Your company and your time are valuable. This is why all our actions are target and result oriented. All processes and reporting are transparent and digital.


We have successfully completed numerous projects in other European countries.

Our services

Anonymous bidding process

We generate real offers on an anonymous basis. Without revealing your identity, you find out what the market can really offer for your company.

Company sale

After we have determined the market value for you, we support you in the transaction all the way to the actual inflow of funds.

Company acquisition

We identify suitable companies for potential acquisition by our clients, contact them and coordinate the entire acquisition process.

Transaction preparation

Through customised structuring, we optimise your company from a tax perspective together with our partners in order to achieve the maximum purchase price.

Early-stage financing

We structure your external financing process, draw up professional business plans and actively refer you to investors.

Our Team

Patrick Seip
Patrick SeipManaging Director
Julian Will
Julian WillManaging Director
Fabian Schmidt
Fabian SchmidtPartner
Benedikt Pohlner
Benedikt PohlnerPartner
Niklas Poppelreuter
Niklas PoppelreuterPartner
David Weidmann
David WeidmannPartner
Sebastian Ringleb
Sebastian RinglebPartner
Sebastian Wissig
Sebastian WissigPartner
Claudia Duchscherer
Claudia DuchschererManagement Assistant
Michael Ganter
Michael GanterAdvisor
Pascal Saake
Pascal SaakeAssociate
Viktoria Derdiyok
Viktoria DerdiyokAssociate
Philipp Spelkus
Philipp SpelkusAssociate
Philipp Panther
Philipp PantherAssociate
Vicky Atzmann
Vicky AtzmannPeople and Culture
Janick Wagner
Janick WagnerAssociate
Dennis Minnert
Dennis MinnertAssociate
Jan Stocker
Jan StockerHead of IT
Norbert Burger
Norbert BurgerHead of Marketing
Timo Schmidt
Timo SchmidtBusiness Analyst
Maximilian Menger
Maximilian MengerProject Support
Johann Keck
Johann KeckBusiness Analyst
Katharina Tiedemann
Katharina TiedemannMarketing Support
Niklas Kern
Niklas KernProject Support
Marleen Mordeja
Marleen MordejaProject Support
Marc Zajonc
Marc ZajoncBusiness Analyst
Luca Hagedorn
Luca HagedornData Analyst
Kevin Tarasewitsch
Kevin TarasewitschBusiness Analyst