More than just tax advice for entrepreneurs

Welcome at Heller Consult - Austria's #1 experts for tax optimization. We provide everything you need as a successful “entrepreneur of the future”: tax consulting, business consulting and asset planning.

Book a free initial consultation

Smart setup. Effortless tax management.

... and completely tax-compliant!
As specialists in tax optimization and business consulting in Austria, Liss Heller encourages you: “Be brave and overcome your fear – taxes are no mystery!” We’ve got your back so you can focus on what really matters: your core business.

We are your exclusive InterGest
partner in Austria.

(Online) tax consulting

As an online tax consultant in the heart of Vienna, we are at your disposal for all questions relating to Austrian and international tax law.

Business consulting

We combine tax and business consulting and help you to develop into the “entrepreneur of the future” and achieve your personal freedom.

Asset accumulation

If you want financial freedom, now is the time to decide. We don’t just help you reduce your taxes – we show you how to free up more money for investing and building your wealth.

(Online) tax consulting

As an online tax consultant in the heart of Vienna, we are at your disposal for all questions relating to Austrian and international tax law.

Business consulting

We combine tax and business consulting and help you to develop into the “entrepreneur of the future” and achieve your personal freedom.

Asset accumulation

If you want financial freedom, now is the time to decide. We don’t just help you reduce your taxes – we show you how to free up more money for investing and building your wealth.

Why Heller Consult?

Decide with confidence. Emotionally smart, rationally clear, and tax-legal.

We translate complex tax jargon into clear, understandable language – and support you in matters that go far beyond traditional tax consulting.
Our advisory approach also integrates insights from modern neuroscience, helping you make the right decisions – emotionally, rationally, and fully tax-compliant.

Book a free initial consultation

Our services

Establishing a GmbH

Your business has grown – and now you want to reduce liability and taxes? Ever thought about setting up a GmbH?

Bookkeeping

That monthly date with your bookkeeping...

Payroll accounting

Navigating labor law and social security feels like a jungle? We’ll guide you through.

Expansion consulting

Looking to expand your business activities to Austria?

Asset building

Reduce taxes and build wealth at the same time? It’s possible!

All services

Here’s what Heller Consult customers say

⭐ ⭐ ⭐ ⭐ ⭐
Quick and hassle-free

Ms. Heller is an incredible person who answers all questions competently, thoroughly, and at the same time quickly and precisely. Every conversation with her is highly motivating. Her team also provides full support, and everything is handled swiftly and hassle-free! I’m very grateful to be supported by Heller Consult.

- Sigrid H.

Review via Proven Expert

⭐ ⭐ ⭐ ⭐
Strong support during your company’s launch phase

Thank you for the excellent advice, especially during the startup phase. The bookkeeping is done properly, and there is a great deal of expertise in tax consulting and tax optimization. Highly recommended, with friendly staff.

- THON Baubetreuung GmbH

Review via Google

⭐ ⭐ ⭐ ⭐ ⭐
Heller Consult is on it – every step of the way!

What we appreciate most is that there is always a very acceptable solution! We found ourselves in a delicate situation where other tax advisors gave up — but not at Heller Consult. Their professional expertise is unmatched. What also impresses us is their fearless approach. Always looking forward with courage and moving ahead boldly.

- Mabon Film

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Think outside the box

Heller Consult places great value on personal, individualized advice. Mag. Heller’s ability to think outside the box is exceptional – she immediately recognizes the potential of new business concepts. With her insights, professionalism, and creativity, she is a valuable asset to any company.

- Mr. A. via Proven Expert

Review via Proven Expert

⭐ ⭐ ⭐ ⭐ ⭐
One of the best in the field

Liss Heller impresses with her competence, expertise, and experience as a tax and business consultant as well as a business coach. She always has another idea, a fresh perspective for her clients. Moreover — and this is by no means a given — she is always ready to support and motivate, sometimes even pro bono during times of crisis. She is not only one of the best in her field; she is certainly the very best and most dedicated advocate for her clients.

- Nicole Sofikis, Goodshoes

⭐ ⭐ ⭐ ⭐
Great partner network

Tax consulting and bookkeeping that think outside the box. Extensive knowledge in the online sector, perfect for everyone involved in FBA and e-commerce. Excellent partner network for international expansion. Thank you for the insightful tax advice.

- BIZMEDIA Kommunikationsagentur GmbH

Review via Google

⭐ ⭐ ⭐ ⭐ ⭐
Back on track with Heller Consult

I came to Heller Consult because my previous tax advisor caused complete chaos. Heller Consult and Liss Heller really brought order back, and I feel very well taken care of at Heller Consult.

- Dimche S.

⭐ ⭐ ⭐ ⭐
Attentive & reliable

The support from HELLER CONSULT is not only thorough, attentive, and reliable — it also results in a substantial tax refund! In all my years of professional experience, HELLER CONSULT is by far the BEST tax advisory firm I have worked with! I am confident that they are top-notch in all other areas of their expertise as well!

- Ulli Arnold

Establishing a GmbH

Smart, fast, and hassle-free.
From contract drafting to notary appointment.

Book a free initial consultation

About us

We foster a respectful and friendly atmosphere and aim for a long-term collaboration with you. We meet you as an equal and provide holistic advice covering taxes, business, and your wealth-building journey.