With a highly qualified team, we provide our customers with comprehensive and personal support.

The success of our customers is at the center of everything we do. Our customer relationships are based on mutual trust and are geared towards sustainability and the long term.


Horst Mantay – German Public Auditor, Tax Adviser

Horst Mantay looks back on almost 30 years of professional experience as an auditor and tax consultant, among others at KPMG and RölfsPartner (Baker Tilly).

  • In 2001 he founded MSW. Horst Mantay has since developed MSW into a company specializing in auditing and advising small and mid caps with a focus on the capital market.
Main areas of work
  • Advice to Capital Market oriented Companies / IPOs
  • Company Valuation/Due Diligence
  • Audit of Annual Financial Statements/Consolidated Financial Statements
  • Reorganization/Restructuring


Dr. Mathias Thiere – Wirtschaftsprüfer, Steuerberater

As a partner of MSW, Dr. Thiere heads the "Audit" and "Quality" divisions.

Most recently, Dr. Thiere spent 12 years at KPMG, where he was responsible for auditing and advising listed companies but also worked for several years in the department of professional practice (DPP).

Dr. Thiere has a teaching assignment for "International Financial Reporting (IFRS)" at the Brandenburg University of Technology in Brandenburg an der Havel.

Main areas of work
  • Audit of Annual Financial Statements/Consolidated Ffinancial Statements according to HGB and IFRS
  • International financial reporting (IFRS)
  • Valuation of Corporations
  • Financial Due Diligence


Kathrin Gottschalk – Tax Adviser

Ms. Gottschalk joined MSW's tax department as a senior manager in 2019.

  • She was most recently employed as a team leader in a medium-sized law firm. After graduating in 2010 with a degree in business administration, she successfully passed the tax consultant exam in 2014.
Main areas of work
  • Ongoing tax advice and tax declaration
  • Financial accounting and preparation of annual financial statements
  • Preparation of Annual Financial Statements
  • Tax Declaration
  • Corporate Taxation
  • Management Consultancy


Christine Hammerschmidt - Certified Public Accountant, Tax Adviser

Ms. Hammerschmidt joined MSW's tax consulting department in 2018 as a senior manager.

Previously, she worked as a managing director in a tax consulting firm from 1999 to 2018.

Main areas of work
  • Ongoing tax advice and tax declaration
  • Preparation of financial statements (mainly of corporations)
  • Consolidation of Individual Financial Statements
  • Preparation of Consolidated Financial Statements According to Commercial Law.
  • Tax Structuring Advice
  • Financial accounting and preparation of annual financial statements


Steffen Mating – Tax Adviser

Mr. Mating has been employed as a senior manager in the tax consulting department of MSW since the end of 2018.

After completing his studies in industrial engineering at the Technical University of Berlin, Mr. Mating initially worked for several years as an audit assistant for PricewaterhouseCoopers AG WPG (Berlin branch) in the Energy/Utilities division.

He then moved to the accounting department of EnBW Trading GmbH in Karlsruhe in 2006. He passed his tax advisor exam in Stuttgart in 2009 and was subsequently appointed as a tax advisor by the Chamber of Tax Advisors of North Baden.

Until 2013, Mr. Mating worked as an in-house tax consultant for EnBW Trading GmbH. This was followed by 5 years as a representative of a Berlin tax office.

Main areas of work
  • Conversion and structuring advice
  • Tax Planning/Optimization
  • Value added tax
  • Preparation of Annual Financial Statements and Tax Declarations
  • Financial Due Diligence/Tax Due Diligence Analyses
  • Consulting/Auditing Transfer Pricing Documentation
  • Conversion tax law


Karolina Pauk 

Bachelor of Science (B.Sc.) in Betriebswirtschaftslehre
Master in European Studies (M.A.)

Ms. Pauk has been employed as manager in the audit department of MSW Auditing Company since October 2020. Most recently, she worked for KPMG AG Auditing Company since November 2013 in the following positions and areas.

  • 2016 – 2020 Assistant Manager, Audit Corporate
  • 2014 – 2016 Senior Associate, Audit Corporate
  • 2013 – 2014 Associate, Center of Competence Datenanalyse

Prior to that, she worked in the finance department of a medium-sized company in the renewable energy sector during her studies from 2010 - 2013.

Main areas of work
  • Audits of Annual Financial Statements/Consolidated Financial Statements according to the German Commercial Code (HGB) and IFRS
  • International financial reporting (IFRS)
  • Valuation of Corporations
  • Financial Due Diligence


Sabine Kuhrig

Ms. Kuhrig has been employed as a manager in MSW's audit department since July 2018. Ms. Kuhrig's professional career is as follows:

  • 2014 – 2018 Manager in two medium-sized auditing companies.
  • 2011 – 2013 Interim manager (deputy head of department) in the accounting and regulatory reporting department of a bank
  • 2007 – 2011 KPMG AG, Berlin, Manager in the Accounting Advisory Services department
  • 2000 – 2006 Ernst & Young AG, Wirtschaftsprüfungsgesellschaft, from 2003 Manager, previously Senior Associate Audit Financial Services

Prior to that, after completing her professional training, she worked in the internal audit department of a bank and as a senior accountant in the area of group accounting. She also gained initial auditing experience as an audit assistant.

Main areas of work
  • Audit of Annual Financial Statements/Consolidated Financial Statements (HGB and IFRS)
  • Accounting Advisory International Financial Reporting (IFRS) incl. Preparation of Financial Statements
  • Quality Assurance


Stefanie Beier - Management Assistant

Ms. Beier has been the executive assistant of MSW since its foundation in 2001.

  • From 1996 to 1998, she was a team assistant in the secretariat of the Berlin branch manager of RölfsPartner Group (Baker-Tilly).
  • In 1998 she was appointed head of this secretariat.
Main areas of work
  • Responsible for administrative tasks,    
  • communication with clients,
  • Team coordination and planning 


Sylvia Volles – Team Assistant

Sylvia Volles is a trained office administrator and has been strengthening the MSW secretariat as a team assistant since 2019.

Previously, she worked in a medium-sized tax consulting firm as a secretary and in the back office of a partnership of tax consultants, lawyers, auditors and business consultants.

Main areas of work
  • Supporting the teams in all administrative and organizational matters