Buchhaltungs und Revisions AG

Our offices

Main office

Buchhaltungs und Revisions AG Zug

Bundesstrasse 3, P.O. Box
CH - 6302 Zug, Switzerland

Tel. : +41 41 729 51 00

Company introduction

In tandem with you finding safe upwinds, based on experience, competence and local values.

We exceed client expectations – our credo.

We advise our clients, who primarily include SMEs and private individuals, in a spirit of partnership on all financial and business matters.

We provide our clients guidelines for taking commercial, financial, tax and business decisions, from the establishment of a company to financial planning and succession planning.

Our subject expertise and our excellent network spanning government offices, law offices and banking institutions in Switzerland and abroad lay the foundation for the excellent quality of our services.

For foreign companies we are the perfect local partner providing comprehensive financial management, advisory and fiduciary services.

We are member of the Swiss Institute of Certified Accountants and Tax Consultants | Swiss Fiduciary Association (EXPERTsuisse/Treuhand Suisse).


Michael ANNEN

Many years of experience with international accounting firms, main areas of practice: auditing and advisory services, tax advisory services for private individuals and corporate clients.


Audits SCO / FER and IFRS; audits of pension funds, audits of groups; special purpose audits (restructurings, capital increases, foundations, liquidations, due diligence).

Markus ITEN

Advisory services in finance and accounting; tax advisory services for legal entities and private individuals; audits of SMEs and public institutions; administration of companies (especially associations) incl. financial accounting; accounts receivable and payable; payroll accounting


Advisory services in finance, accounting and payroll administration; tax consulting for legal entities and private individuals; VAT advisory; audit of SMEs and public institutions.


Many years of experience with international accounting and advisory firms.

Simon Baumgartner

Audit and advisory services (due diligence, project and company valuation services, financial and liquidity planning, special audits, process optimization); accounting advisory services; tax advisory services for legal entities and private individuals, supervision of foundations.


  • Accounts preparation - Limited company
  • Accounts preparation - Not for profit organisations
  • Accounts preparation - Public sector
  • Auditing - Limited company
  • Auditing - Not for profit organisations
  • Auditing - Public sector
  • Payroll
  • Special - Business valuations
  • Special - Corporate finance
  • Special - Forensic
  • Special - Insolvency
  • Special - Management consultancy
  • Special - Outsourcing
  • Tax - Estate
  • Tax - International
  • Tax - Corporate compliance
  • Tax - Corporate consultancy
  • Tax - Personal compliance
  • Tax - Personal consultancy
  • Tax - Sales

Languages spoken

  • English
  • French
  • German
  • Spanish