T+R AG

Clear structures lead
straight to the goal.

Organisation

Thanks to our experienced consultants and specialists, we are your discussion partner of choice for all matters of advisory services, audit services and tax consulting. Our creative and prudent solutions make space for you. Use your precious time for your core business – we look after your interests and help you to progress

Thanks to our efficient management structure with short decision-making routes and a lean organisation, we adapt rapidly to prevailing market circumstances. We meet your changing needs with the necessary degree of flexibility and prudence by acting and not reacting.

The Partners, which are also members of the Board of Directors, ensures the independence and the freedom of decision of the T+R Ltd.

Photo of Daniel Leuenberger

Daniel Leuenberger

  • Swiss Certified Accountant
  • Bachelor of Science in Business Administration
  • Partner, Chairman of the Board of Directors

Contact
Telephone: 031 950 09 50

daniel.leuenberger(at)t-r.ch

more Information

Photo of Daniel Leuenberger

Career

1991–1995 Auditor in a major consultancy company
Qualification as graduate auditor
1996–1999 Tax consultant in a major consultancy business
Course to qualify as graduate tax expert
1999 Joined T+R Ltd.
2001–2018 Head of Tax Consulting Division
2001 Partner and Member of the Board of Directors
2006–2018 Member of the Management Committee
2010–2018 Chairman of the Management Committee
2015 Member of the Board of Directors
2018 Chairman of the Board of Directors


  • Lecturer and speaker at various institutions and professional events
  • Publicist on value added tax matters

Industry experience

  • Industry
  • Trade
  • Services
  • Local authorities and NPOs
  • Value added tax on restructuring transactions
Photo of Beat Kiener

Beat Kiener

  • Swiss Certified Accountant
  • Authorised audit expert
  • Partner, Member of the Management Committee
  • Head of the Advisory Services & Division

Contact
Telephone: 031 950 09 48

beat.kiener(at)t-r.ch

more Information

Photo of Beat Kiener

Career

1988–1996 General trustee and assistant auditor with an international audit company
1994 Training to become a Swiss certified trustee
1996 Training to become a graduate auditor
1997–2005 Account manager in the areas of auditing, management consulting, financial statement and tax consultancy with a regional audit company
2006 Joined T+R Ltd.
2007 Partner
2013 Member of the Board of Directors
2018 Member of the Management Committee
Head of the Advisory Services & Division

Industry experience

  • Succession planning
  • Company valuations
  • Strategic financial management instruments
  • Holistic consultancy
Photo of Adrian Steffen

Adrian Steffen

  • Swiss Certified Fiduciary Expert
  • College of Higher Professional & Education and Training (PET) Degree in Business Administration
  • Master of Advanced Studies FH in auditing and management consultancy
  • Authorised audit expert
  • Partner, CEO - Member of the Management Committee

Contact
Telephone: 031 950 09 47

adrian.steffen(at)t-r.ch

mehr Infos

Photo of Adrian Steffen

Career

1992–1995 Bank auditor
1996 Joined T+R Ltd.
1994–1997 Qualification as HF management consultant
2001–2003 Qualification as trustee with Federal certificate
2003 Manager
2009–2011 Qualification as graduate trustee
MAS FH (Masters Degree) in auditing and management consultancy
2012 Director
2014 Partner
2015 Member of the Board of Directors
2018 CEO - Member of the Management Committee

Branch experience

  • Service branch
  • Ancillary construction trades
  • Commerce and business enterprises
  • Non-profit organisations
  • Public law institutions
Photo of Beat Kiener

Beat Kiener

  • Swiss Certified Accountant
  • Authorised audit expert
  • Partner, Member of the Management Committee
  • Head of the Advisory Services & Division

Contact
Telephone: 031 950 09 48

beat.kiener(at)t-r.ch

more Information

Photo of Beat Kiener

Career

1988–1996 General trustee and assistant auditor with an international audit company
1994 Training to become a Swiss certified trustee
1996 Training to become a graduate auditor
1997–2005 Account manager in the areas of auditing, management consulting, financial statement and tax consultancy with a regional audit company
2006 Joined T+R Ltd.
2007 Partner
2013 Member of the Board of Directors
2018 Member of the Management Committee
Head of the Advisory Services & Division

Industry experience

  • Succession planning
  • Company valuations
  • Strategic financial management instruments
  • Holistic consultancy
Photo of Martin Roethlisberger

Martin Roethlisberger

  • Attorney-at-Law
  • Swiss Certified Tax Expert
  • Partner, Member of the Management Committee
  • Head of the Tax Consulting Division

Contact
Telephone: 031 950 09 19

martin.roethlisberger(at)t-r.ch

mehr Infos

Photo of Martin Roethlisberger

Career

2004-2005 Activity in a law office with main focus on commercial law
2006-2013 Tax and legal consultancy with an international tax and audit company in Berne with main focus on consultancy on behalf of individuals and companies in the field of direct taxation; graduation Swiss Certified Tax Expert in 2010
2013 Joined T+R Ltd.
Director
2016 Partner and Member of the Board of Directors
2018 Member of the Management Committee
Head of the Tax Consulting Division


Branch experience

  • Industry
  • Trade
  • Services
Photo of Vincent Studer

Vincent Studer

  • Swiss Certified Accountant
  • Bachelor of Science in Business Administration
  • Authorised audit expert
  • Partner, Member of the Management Committee
  • Head of the Audit Services Division

Contact
Telephone: 031 950 09 33

vincent.studer(at)t-r.ch

more Information

Photo of Vincent Studer

Career

1989–1991 Assistant auditor with an international audit company in Lausanne
1991–2008 Auditor, partner of an international audit company in Berne
2008 Joined T+R Ltd.
Partner
Member of Management Committee
Head of the Audit Services Division
2015 Member of the Board of Directors

Industry experience

  • National and international companies and groups
  • Industrial companies
  • Wholesale and retail companies
  • Health care providers and pharmaceuticals
  • Finance companies
  • Insurance (life and non-life)
  • Pension funds and foundations