About us

  • Through the direct and dedicated service provided by our qualified team, we guarantee the highest level of personal and professional competence with a strong awareness of adherence to deadlines and efficiency. Through our international network EAI International with its various strategic co-operations, we also guarantee competence and professional consulting services abroad.

Our systematic quality management is subject to regular review by an independent quality control auditor.

Ingrid Mayerhanser-Marx

German Public Auditor, Tax Consultant

Education and career

Main areas of work

  • 1980 – 1982 Training as Tax Assistant

  • 1987 Examination as Accountant

  • 1992 Appointment as German Public Auditor

  • 1993 Appointment as Tax Consultant

  • Since 1992 Managing Partner of TREUHAND UNION GmbH

  • National and international accounting

  • Inheritance and succession consulting

  • Tax-optimized contract structuring

  • Reorganization tax law

  • International tax consulting

  • Transfer pricing documentation

Education and career

  • 1980 – 1982 Training as Tax Assistant

  • 1987 Examination as Accountant

  • 1992 Appointment as German Public Auditor

  • 1993 Appointment as Tax Consultant

  • Since 1992 Managing Partner of TREUHAND UNION GmbH

Ingrid Mayerhanser-Marx

German Public Auditor, Tax Consultant

Main areas of work

  • National and international accounting

  • Inheritance and succession consulting

  • Tax-optimized contract structuring

  • Reorganization tax law

  • International tax consulting

  • Transfer pricing documentation

Werner Schmid

Dipl. oec. Univ, German Public Auditor, Certified Public Accountant (USA), Tax Consultant

Education and career

Main areas of work

  • 1983 – 1988 University of Augsburg, Studies in Economics and Social Sciences

  • 1988 – 1996 Ernst & Young, Munich, Senior Manager

  • 1992 Appointment as Tax Consultant

  • 1994 Appointment as German Public Auditor

  • Since 1997 Managing Partner of TREUHAND Union GmbH

  • 2002 Appointed Certified Public Accountant (USA)

  • International accounting (IFRS, US-GAAP)

  • Group accounting

  • Insolvency audits (over-indebtedness, insolvency)

  • Formation, transformation and merger audits

  • Due diligence investigations

  • Company valuations

  • Integrated financial planning

Education and career

  • 1983 – 1988 University of Augsburg, Studies in Economics and Social Sciences

  • 1988 – 1996 Ernst & Young, Munich, Senior Manager

  • 1992 Appointment as Tax Consultant

  • 1994 Appointment as German Public Auditor

  • Since 1997 Managing Partner

    of TREUHAND UNION GmbH

  • 2002 Appointed Certified Public Accountant (USA)

Werner Schmid

Dipl. oec. Univ, German public auditor, Certified Public Accountant (USA), Tax consultant

Main areas of work

  • International accounting (IFRS, US-GAAP)

  • Group accounting

  • Insolvency audits

    (over-indebtedness, insolvency)

  • Formation, transformation and

    merger audits

  • Due diligence investigations

  • Company valuations

  • Integrated financial planning