Welcome to
TaxConcept Steuerberatung AG

Your partner for tax consultancy and fiduciary services

Your partner for tax consultancy and fiduciary services

«As an experienced tax consultant and fiduciary, I provide you with personal and overall advice and support».


We take the time to get to know you, understand your questions and goals and offer you solutions that are precisely tailored to your individual requirements. We don't just look at isolated problems or concerns, but also focus on your overall life situation, your goals and your values. In this way, we can ensure that our advice is long-term and sustainable. 

We are here to accompany and support you on your journey. Whether it's tax issues, financial planning, business advice or other services, you can rely on us to be by your side.


Contact us today to find out more about how we can help you.




Verband für Rechnungslegung, Controlling und Rechnungswesen

«To see clear, it often needs a change of perspective only.»

Antoine de Saint-Exupéry

Our Services


  • Tax declaration
  • Verifying of the tax dispositions
  • Appeal procedure
  • Tax consulting, planning and optimisation
  • Inheritance and donation
  • Real estate in the tax law
  • Withholding tax

Accounting / HR

  • Accounting for SMEs
  • VAT accounting
  • Annual accounts
  • Payroll accounting / wage administration
  • Settlements with social insurance companies, salary statements, etc.

SME management consultancy

  • Set-ups and restructuring
  • Company liquidation

Advisory services for private individuals

  • Retirement planning
  • Inheritance advice
  • Succession planning

Your contact person


  • Financial Planner, Federal Diploma of Higher Education
  • Certified Fiduciary, Federal Diploma of Higher Education
  • Business school KLZ
  • Business apprenticeship banking


Many years of professional and management experience in fiduciary services and public administration

  • Owner and Managing Director of TaxConcept Steuerberatung AG since 2008 (until 2014 as sole proprietorship TaxConcept Steuerberatung Patricia Killer)
  • 9 years at the Zurich Cantonal Tax Office in the functions of tax commissioner and inspector, most recently as head of the inspectorate department
  • 7 years in financial / fiduciary services




TaxConcept Steuerberatung AG
Rellikonstrasse 11
8124 Maur

Opening hours by arrangement



+41 44 887 79 53