Broad & Deep
Know-how that is impressive.

We are T&R! In our team, we bundle extensive know-how and many years of experience in order to offer you first-rate services. Our employees are not only highly trained, but undergo continuous further training to stay up to date with the latest developments and requirements. Together, we work towards the same goal – your success.

Marc Aellen

Marc Aellen

Partner
Certified accountant
Certified tax expert
Senior auditor

+41 33 736 88 88
m.aellen@troag.ch

Mislav Bakovic

Mislav Bakovic

Apprentice

+41 33 736 88 88
m.bakovic@troag.ch

Melanie Brand

Melanie Brand

Certified business administration specialist

+41 33 748 78 88
m.brand@troag.ch

Eric Brügger

Eric Brügger

Partner
Certified tax expert

+41 33 655 80 80
e.bruegger@troag.ch

Sergio Colombo

Sergio Colombo

Bachelor's degree in Business Administration and professional certificate in accounting

+41 33 748 78 88
s.colombo@troag.ch

Ana de Moura

Ana de Moura

Partner
Certified accountant
Senior auditor

+41 33 748 78 88
a.demoura@troag.ch

Patrick Eggenberg

Patrick Eggenberg

Certified business administration specialist

+41 33 748 78 88
p.eggenberg@troag.ch

Kim Espelleta

Kim Espelleta

Finance and accounting specialist with Federal PET Diploma

+41 33 655 80 80
k.espelleta@troag.ch

Michelle Gasser

Michelle Gasser

HR specialist with Federal PET Diploma

+41 33 748 78 88
m.gasser@troag.ch

Gottfried Ginggen

Gottfried Ginggen

Certified business administration specialist

+41 33 736 88 88
g.ginggen@troag.ch

Elian Griessen

Elian Griessen

Prokurist
Certified fiduciary expert

41 33 736 88 88
e.griessen@troag.ch

Cristan Haldi

Cristan Haldi

Partner
Certified accountant
Senior auditor

+41 33 748 78 88
c.haldi@troag.ch

Fabienne Kohli

Fabienne Kohli

Certified HR officer

+41 33 736 88 88
f.kohli@troag.ch

Tiemo Krebs

Tiemo Krebs

Certified business administration specialist

+41 33 655 80 80
t.krebs@troag.ch

Krystek Bogumila

Bogumila Krystek

Master of Arts in Finance and Accounting

+41 33 655 80 80
b.krystek@troag.ch

Matthias Ludi

Matthias Ludi

Partner
Certified fiduciary expert
Senior auditor

+41 33 748 78 88
m.ludi@troag.ch

Doris Maurer

Doris Maurer

Certified business administration specialist

+41 33 748 78 88
d.maurer@troag.ch

Niklaus Mösle

Niklaus Mösle

Prokurist
Certified fiduciary expert
Senior auditor

+41 33 655 80 80
n.moesle@troag.ch

Lilian Mösle

Lilian Mösle

Fiduciary TREUHAND I SUISSE
Certified business administration specialist

+41 33 655 80 80
l.moesle@troag.ch

Sandra Mülchi

Sandra Mülchi

Certified fiduciary officer

+41 33 736 88 88
s.muelchi@troag.ch

Marco Reinle

Marco Reinle

Prokurist
Bachelor of Science (FH) in Business Administration

+41 33 748 78 88
m.reinle@troag.ch

Katja Rieder

Katja Rieder

Apprentice

+41 33 736 88 88
k.rieder@troag.ch

Raffaella Rindlisbacher

Raffaella Rindlisbacher

Certified business administration specialist

+41 33 655 80 80
r.rindlisbacher@troag.ch

Karin Romang

Karin Romang

Finance and accounting specialist with Federal PET Diploma

+41 33 748 78 88
k.romang@troag.ch

Mary-Jo Rossier

Mary-Jo Rossier

Certified business administration specialist

+41 33 748 78 88
m.rossier@troag.ch

Melanie Rösti

Melanie Rösti

Apprentice

+41 33 748 78 88
m.roesti@troag.ch

Aline Rösti

Aline Rösti

Apprentice

+41 33 748 78 88
aline.roesti@troag.ch

Alexandra Schopfer

Alexandra Schopfer

VSH qualified business administrator

+41 33 748 78 88
a.schopfer@troag.ch

Franziska Trachsel

Franziska Trachsel

Fiduciary with Federal PET Diploma

+41 33 655 80 80
f.trachsel@troag.ch

Corinne Ueltschi

Corinne Ueltschi

Certified business administration specialist

+41 33 748 78 88
c.ueltschi@troag.ch

Marc von Felten

Marc von Felten

Partner, lic.rer.pol
Senior auditor

+41 33 736 88 88
m.vonfelten@troag.ch

Caroline von Graffenried

Caroline von Graffenried

Bsc (Hons) Equine Business Management

+41 33 748 78 88
c.vongraffenried@troag.ch

Kim von Grünigen

Kim von Grünigen

Certified business administration specialist

+41 33 748 78 88
k.vongruenigen@troag.ch

Herbert Walker

Herbert Walker

Prokurist
Certified business administration specialist

+41 33 748 78 88
h.walker@troag.ch

Patrick Welten

Patrick Welten

Prokurist
Master of Science in Business Administration

+41 33 748 78 88
p.welten@troag.ch

Michaela Zeller

Michaela Zeller

Certified business administration specialist

+41 33 736 88 88
m.zeller@troag.ch

Gabriela Zeller Haldemann

Gabriela Zeller-Haldemann

Fiduciary with Federal PET Diploma

+41 33 736 88 88
g.zeller@troag.ch

Nadine Zioerjen

Nadine Ziörjen

Finance and accounting specialist with Federal PET Diploma

+41 33 736 88 88
n.zioerjen@troag.ch