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Team

Our success is backed by a highly qualified team that achieves the best results for our customers with passion and expertise.

Liss Heller

CEO, Certified Tax Consultant, 
CPA, CMC, MSc

T: +43 1 310 60 10
F: +43 1 310 60 10 - 600
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Certified Tax Consultant
Certified Public Accountant
Certified Management Consultant
Master of Cognitive Neuroscience
CEO Heller Consult Tax and Business Solutions GmbH

Liss Heller

CEO, Certified Tax Consultant, 
CPA, CMC, MSc

T: +43 1 310 60 10
F: +43 1 310 60 10 - 600
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Certified Tax Consultant
Certified Public Accountant
Certified Management Consultant
Master of Cognitive Neuroscience
CEO Heller Consult Tax and Business Solutions GmbH

Mario Dohnal

Senior Tax Associate

T: +43 1 310 60 10 - 240
F: +43 1 310 60 10 - 600
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Markus Trittenwein

Tax Consultant

T: +43 1 310 60 10 - 350
F: +43 1 310 60 10 - 600
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Brigitte Fischer

Tax and Business Expert
Business & Mindset Coach

T: +43 1 310 60 10
F: +43 1 310 60 10 - 600
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Martina Keuschnig

Office Management &
Executive Assistant

T: +43 1 310 60 10 - 210
F: +43 1 310 60 10 - 600
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Gerd Kellermann

Management Consultant
Certified Export
Consultant Senior Consultant International Expansion

T: +43 1 310 60 10 - 580
F: +43 1 310 60 10 - 600
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Nicole Sieg

Accounting

T: +43 1 310 60 10 
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Elisabeth Aigner

Accounting

T: +43 1 310 60 10 
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Peter Karall

Accounting Assistant

T: +43 1 310 60 10 - 340
F: +43 1 310 60 10 - 600
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Milán Kusztor

Junior Tax Consultant

T: +43 1 310 60 10 - 510
F: +43 1 310 60 10 - 600
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Olga Melnychenko

Key Account Manager
Payroll

T: +43 1 310 60 10 - 420
F: +43 1 310 60 10 - 600
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Melani Balucic

Office Assistant
Payroll Assistant

T: +43 1 310 60 10 - 430
F: +43 1 310 60 10 - 600
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Viktor Meszaros

IT & Project-Management
Online-Marketing

T: +43 1 310 60 10 - 250
F: +43 1 310 60 10 - 600
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Stephanie Setc

Marketing
Office Management
Human Resources

T: +43 1 310 60 10 - 410
F: +43 1 310 60 10 - 600
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Hannah Reichl

Marketing
Graphic Design

T: +43 1 310 60 10
F: +43 1 310 60 10 - 600
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Tobias Kutschera

Video Producer
Human Resources

T: +43 1 310 60 10 - 590
F: +43 1 310 60 10 - 600
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Prince Charming

sorgt für gute Stimmung im Büro

T: +43 1 310 60 10
F: +43 1 310 60 10 - 600
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Join our Team!

We're excited to meet you.

Business Hours

Monday to Thursday:
8:30 am to 5:30 pm

Friday:
8:30 am to 3 pm

Contact

Heller Consult Tax & Business Solutions GmbH
Porzellangasse 49, A-1090 Vienna
T: +43 1 310 60 10  |  M: This email address is being protected from spambots. You need JavaScript enabled to view it.

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