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Trust is the foundation of all relationships.

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Philosophy

Our firm  Being a medium size auditing and consulting firm, we are the partner for ambitious and demanding – mostly internationally oriented – small and medium size clients. Our clients include companies and private investors, as well as trusts and charitable institutions.
For our clients, we develop tailor-made solutions. We offer the found know-how of an experienced team of generalists and specialists for 360° audit and consulting services.
Our values All of our services are centered around our client’s needs. We attend to our client’s respective goals, needs and requirements in detail – our interdisciplinary services lead to added value for our clients. Based on our tailor-made approach, we are able to audit efficiently and effectively. Our services always live up to our client’s personal circumstances and needs.
Teamwork stands above everything. Auditors, tax advisors and lawyers are working together in teams to reach the best solutions for our clients. We are designating at least two partners to every client – both of those partners are always up to date with the specific aspects that are important to the respective client.

Partner & Team

Our team

partner & team
of WTG


WTG Wirtschaftstreuhand
Dr. Grüber PartG mbB

Auditing firm
Tax consultancy firm


WTG Dr. Grüber GmbH
Legal consultancy firm

Our 9 partners share a broad knowledge in auditing, tax consulting and corporate law. We perform our services based on the pillars “Tradition” and “Improvement” while striving to always fulfil our clients’ demands. Our partners either started their professional careers at WTG or joined our firm after having gained professional experience at Big4 accounting firms, international law firms or the German tax authorities.

WTG has 50 partners and employees, in total. The share of certified professionals (auditors, tax advisors, lawyers) is very high: approximately half our employees hold university diplomas and professional certifications.

Master in Business Economics

Anke Düsterloh


Cert. Public Accountant & Cert. Tax Advisor

Master in Business Economics

Anke Düsterloh


Cert. Public Accountant & Cert. Tax Advisor

EDUCATION

Business Economics Studies
at Ruhr University Bochum


PROFESSIONAL QUALIFICATIONS

1993 Accreditation as Certified Tax Advisor
1996 Accreditation as Certified Public Accountant


PROFESSIONAL CAREER

1990 to date WTG


AREAS OF EXPERTISE

  • Auditing and Assurance services
  • Tax consultancy, in particular tax structuring and restructuring
  • M&A transactions (acquisition and sale of companies) › company valuations
  • Due Diligences and expert opinions
  • Business consultancy
  • Auditing and consultancy of doctors and medical practices
  • Auditing and consultancy of subsidiaries of foreign groups in accordance with national and international accounting standards
  • Corporate succession consultancy

Other

  • Supervisory Board member
  • Ambassador of the City of Wuppertal

Master in Business Administration

Henrik Sónyi


Cert. Public Accountant & Cert. Tax Advisor

Master in Business Administration

Henrik Sónyi


Cert. Public Accountant & Cert. Tax Advisor

EDUCATION

Business Administration Studies
at the University of Cologne


PROFESSIONAL QUALIFICATIONS

1981 Accreditation as Certified Tax Advisor
1984 Accreditation as Certified Public Accountant


PROFESSIONAL CAREER

1986 to date WTG


Tätigkeitsschwerpunkte

  • Auditing and Assurance services
  • Tax consultancy, in particular tax structuring and restructuring
  • M&A transactions (acquisition and sale of companies operating internationally)
  • Company valuations
  • Due Diligence
  • Business consultancy
  • Representation of shareholders › Execution of wills and testaments

Other

Member of the Administrative Council of the Institute of Public Auditors in Germany.

Master in Business Administration

Martin Krause


Cert. Public Accountant & Cert. Tax Advisor

Master in Business Administration

Martin Krause


Cert. Public Accountant & Cert. Tax Advisor

EDUCATION

Business Administration Studies
at the Düsseldorf University of Applied Science


PROFESSIONAL QUALIFICATIONS

1992 Accreditation as Certified Tax Advisor
1997 Accreditation as Certified Public Accountant


PROFESSIONAL CAREER

1988 to date WTG


AREAS OF EXPERTISE

  • Auditing and Assurance services
  • Auditing and consultancy of subsidiaries of domestic and foreign Groups
  • Auditing and consultancy of German parent companies with foreign subsidiaries
  • Consolidated Group accounts
  • Special purpose audits
  • Tax consultancy
  • Tax structuring consultancy/restructuring
  • M&A transactions (acquisition and sale of companies)
  • Business consultancy
  • Expatriates consultancy
  • Special income tax questions

 

Master in Business Administration

Peter Schüttrich


Cert. Public Accountant & Cert. Tax Advisor

Master in Business Administration

Peter Schüttrich


Cert. Public Accountant & Cert. Tax Advisor

EDUCATION

Business Administration Studies at
Philipps University Marburg and the
University of Illinois, Urbana Champaign, USA


PROFESSIONAL QUALIFICATIONS

1997 Accreditation as Certified Tax Advisor
1998 Accreditation as Certified Public Accountant


PROFESSIONAL CAREER

1993 to date WTG 


AREAS OF EXPERTISE

  • Auditing and Assurance Services
  • Auditing and consultancy of subsidiaries of foreign groups under national and international accounting standards
  • Tax consultancy › tax structuring consultancy/ restructuring
  • M&A transactions (acquisition and sale of companies)
  • Company valuations
  • Due Diligence
  • Business consultancy
  • Execution of wills and testaments

Master in Business Economics

Thorsten Knaup


Cert. Public Accountant & Cert. Tax Advisor

Master in Business Economics

Thorsten Knaup


Cert. Public Accountant & Cert. Tax Advisor

EDUCATION

Business Economics studies
at Ruhr University Bochum


PROFESSIONAL QUALIFICATIONS

1999 Accreditation as Certified Tax Advisor
2001 Accreditation as Certified Public Accountant


PROFESSIONAL CAREER

1995 – 2002 Arthur Andersen, SME consultancy, Düsseldorf
2002 to date WTG


AREAS OF EXPERTISE

  • Auditing and Assurance Services
  • Auditing and consultancy of German parent Groups with foreign subsidiaries
  • Consolidated Group accounts
  • M&A transactions (acquisition and sale of companies)
  • Company valuations
  • Due Diligence
  • Corporate Succession consultancy
  • Tax consultancy
  • Tax structuring consultancy/restructuring
  • International transfer pricing
  • Expatriates consultancy

Dr. Han-Dirk Möller


Attorney at Law & Cert. Tax Advisor

Dr. Han-Dirk Möller


Attorney at Law & Cert. Tax Advisor

EDUCATION

1988 – 1993 Law School at the Universities of Marburg and Würzburg
1993 – 1995 Internship at Bamberg Higher Regional Court
1998 Doctorate from University of Würzburg ›Assignment as Security under Value Added Tax Legislation‹


PROFESSIONAL QUALIFICATIONS

1999 Accreditation as Attorney at Law
2001 Accreditation as Certified Tax Advisor


PROFESSIONAL CAREER

1995 – 1998 Assistant Lecturer, Institute for Commercial and Taxation Legislation at the University of Würzburg
1999 – 2002 Schäfer Pott (now Sernetz Schäfer), Düsseldorf, and Menold Aulinger (now Luther), Essen
2002 to date WTG


AREAS OF EXPERTISE

  • Company Law
  • Tax structuring consultancy
  • Restructuring/ change of corporate form
  • M&A transactions (acquisition and sale of companies)
  • Preparation of expert opinions/ legal due diligence including those for German subsidiaries of foreign Groups
  • Mediation in company law adaptation proceedings
  • Corporate succession consultancy
  • Public corporation law
  • Representation in stock corporation law judgement proceedings
  • Taxation legislation remedial procedures and financial court proceedings
  • Advisory Board activity
  • Execution of wills and testaments

 

Master in Business Administration

Christian Clingen


Cert. Public Accountant (GER and USA)

Master in Business Administration

Christian Clingen


Cert. Public Accountant (GER and USA)

EDUCATION

Business Adminstration Studies at the European Business School, Oestrich-Winkel,
the École supérieure de commerce de Dijon, France
and San Francisco State University, USA


PROFESSIONAL QUALIFICATIONS

2004 Accreditation as Certified Public Accountant (USA)
2007 Accreditation as Certified Public Accountant (Germany)


PROFESSIONAL CAREER

2001 – 2002 Arthur Andersen GmbH, Eschborn
2002 – 2010 Ernst & Young GmbH, Eschborn and New York
2010 to date WTG


AREAS OF EXPERTISE

  • Auditing and Assurance services
  • Auditing and consultancy of subsidiaries of foreign groups under national and international accounting standards
  • Consolidated Group accounts
  • Tax consultancy
  • M&A transactions (acquisition and sale of companies)
  • Company valuations
  • Business consultancy

 

Master in Business Administration

Henning Lau


Cert. Public Accountant & Cert. Tax Advisor

Master in Business Administration

Henning Lau


Cert. Public Accountant & Cert. Tax Advisor

EDUCATION

Business Administration studies at the Leipzig Vocational University


PROFESSIONAL QUALIFICATIONS

2006 Accreditation as Certified Tax Advisor
2009 Accreditation as Certified Public Accountant


PROFESSIONAL CAREER

1999 – 2002 Dresdner Bank AG, Leipzig
2002 to date WTG


AREAS OF EXPERTISE

  • Auditing and Assurance Services
  • Consolidated Group accounts
  • Tax consultancy
  • Tax structuring consultancy/restructuring
  • M&A transactions (acquisition and sale of companies)
  • Company valuations
  • Due Diligence
  • Business consultancy

 

Christian Stommel


Attorney at Law & Cert. Tax Advisor

Christian Stommel


Attorney at Law & Cert. Tax Advisor

EDUCATION

1994 – 1999 Law School at the University of Bielefeld
2000 – 2002 Internship at Düsseldorf Higher Regional Court


PROFESSIONAL QUALIFICATIONS

2002 Attorney at Law
2006 Taxation Legislation Specialist Attorney
2008 Accreditation as Certified Tax Advisor


PROFESSIONAL CAREER

2002 – 2004 LutherMenold/Aulinger, Attorneys at Law, Bochum
2004 to date WTG


AREAS OF EXPERTISE

  • Tax structuring consultancy
  • Company Law
  • Restructuring/change of corporate form
  • M&A transactions (acquisition and sale of companies)
  • Preparation of legal opinions/legal due diligence (including those for German subsidiaries of foreign Groups)
  • Inheritance consultancy /design of wills and testaments
  • Commercial lease law › real estate law
  • Taxation legislation remedial procedures and financial court proceedings

 

Clients

Client structure  We support companies of all sizes and corporate structures, in particular GmbH and GmbH & Co. KG in the trade, medical, services and asset management sectors plus German subsidiaries of foreign groups, private individuals and charitable organisations.

Automotive Mechanical Engineering Metalworking/Joining Technology Production Paper Processing and Suppliers Textile Industry/Chemicals High-Tech Electronics Wholesale and Retail Trades Construction Companies Real Estate Companies Medical Centres Doctors, Medical Practices Services Companies Public Companies › Public Private Partnerships Foundations and Associations  Freelance Professionals Private Individuals

Client Events We offer our clients regular conferences on current topics as well as art events so as to exchange experiences in a relaxed out-of-work atmosphere.
Client Events We offer our clients regular conferences on current topics as well as art events so as to exchange experiences in a relaxed out-of-work atmosphere.

see activities »

WTG activities

Specialist presentations   We regularly offer our clients exciting conferences on current subject areas. In those conferences we provide our clients with up-to-date information regarding new developments in the areas of taxation, accounting and special topics. Below you will find an overview of our conferences in recent years.

Active in Sport  The range of WTG activities of course is auditing, taxation and legal consultancy plus business consultancy. At the same time our WTG Team is constantly on the go with regard to sport. A team of male and female colleagues has participated from the outset in the local Companies Run and also in the Röntgen Run in Remscheid. We are also pleased to support our staff members who participate in marathon or triathlon events. In addition there is a football squad which meets regularly for training and games. Beside our business outings sport and fun take prime place. In addition to sailing trips, canoeing or (soft) adventures rafting, team challenges are very popular.

Social commitment  For many years, we have been active on behalf of charitable institutions and initiatives in the fields of social work, the arts and culture. Our aim is support and sustained promotion of initiatives of a role-model nature. By participating in voluntary unpaid social projects we aim to help keep Wuppertal attractive for the citizens of the city. So not least our staff members are offered an environment with a high quality of life. We are committed in Wuppertal to keeping our city vibrant and attractive as a place to live and work, amongst other things:

in the rich-in- tradition Von der Heydt Museum and the Wuppertal Arts and Music Association von-der-heydt-museum »
active in Wuppertal wuppertal-aktiv »
as Ambassadors of the City of Wuppertal wuppertal-marketing »
in support of charitable foundations and associations
in the Wuppertal movement wuppertalbewegung »
in other areas and service clubs

see activities »

History

Gründer Dr. Fritz Grüber

Dr. Fritz Werner Grüber

Erster Jahresabschluss

Historischer Jahresabschluss

Heutiger Firmensitz der WTG

Heutiger Firmensitz der WTG

It is not without pride that we look back on a successful Company history stretching back more than 80 years. From this we also derive the claim to represent in the best possible way the interests of our clients in the future with professional competence and forward-looking commitment.

1930 Foundation stone is laid for the Company by opening a one-man practice by Dipl.-Kfm. Dr. Fritz Grüber in Wuppertal

1959 Formation of a Certified Public Accountants practice between Dr. Fritz Grüber and his son Dr. Fritz Werner Grüber, both of them Certified Public Accountants and Certified Tax Advisors

1965 Foundation of Wirtschaftstreuhand KG Dr. Grüber & Co. Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft (›KG‹) by Dr. Fritz Werner Grüber

1988 Foundation of the practice of Dr. Grüber Dr. Schmidt-Hermesdorf Certified Public Accountant and Attorney at Law

1996 Change of corporate form of the practice to GP Dr. Grüber & Partner Partnerschaftsgesellschaft (›GP‹)

2005 WTG celebrates its 75th anniversary

2010 Change of ›KG‹ corporate form to
WTG Wirtschaftstreuhand Dr. Grüber PartG mbB and change of ›GP‹ corporate form to WTG Dr. Grüber GmbH Rechtsanwaltsgesellschaft