At Siller, sustainability is at the heart of everything we do. As a boutique advisory firm surrounded by the beauty of nature in Altenberg, we feel a special responsibility to protect our environment and act consciously in every decision we make.
We believe in empowering our team and community through knowledge, awareness, and shared values. We promote environmental responsibility among our employees and partners, encouraging everyone to contribute to a more sustainable way of working and living.
Our team consists of experienced consultants with diverse backgrounds and areas of expertise. We are passionate about helping businesses succeed and are committed to delivering exceptional service to our clients.
Located directly beside a natural park, we feel deeply connected to the landscape that surrounds us. Our office operates entirely on solar power, and we use eco-friendly heating and air conditioning systems. Our business car is fully electric, and we prioritize train travel for business trips, taking advantage of Austria’s almost completely green electricity grid. Even our local community reflects our values: Altenberg’s decision to have no street lighting protects both people and wildlife, reducing light pollution and preserving the night sky.
Our office in Altenberg, surrounded by the serene beauty of the Wienerwald and close to the Altarm an der Donau, gives us a deep appreciation for the natural world. This unique location, right beside a protected landscape, reminds us every day of the importance of acting in harmony with nature.
The Wienerwald, often called Vienna’s green lung, is a vibrant mosaic of forests and meadows where around 70 percent of the trees are deciduous species such as beech and oak, joined by maple, linden, cherry, and wild service trees. Conifers like spruce, pine, and fir add to the forest’s resilience. This diversity ensures the forest can adapt and thrive, even in the face of climate change.
Just a short distance from us, the Altarm an der Donau (the old arm of the Danube) forms a calm and life-rich ecosystem that supports countless plant and animal species. The gentle flow of the river and the surrounding wetlands provide a vital habitat for birds, insects, and aquatic life, reminding us how balanced ecosystems sustain life at every level.
Living and working in such an environment is both a privilege and a responsibility. It influences our daily actions and strengthens our determination to operate sustainably. We take inspiration from the resilience and beauty of our surroundings and strive to contribute to their preservation through conscious business practices, renewable energy use, and environmentally responsible choices.
Siller is a business and management consulting firm based in Austria, serving Europe, the Middle East, and Asia. We are recognized for providing independent, objective valuations of companies and projects that give leaders the clarity and conviction to act decisively.
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Siller — Established 2015 Austria
Company Name: Siller Handels GmbH
Address: Gemeindeweg 47, 3422 Altenberg, Austria
Company Register Number: FN 442495 d
VAT Number: ATU69992868
Siller is the consulting brand of Siller GmbH.
Siller GmbH is a limited liability company under Austrian law. The information provided on this website is for general informational purposes only and does not constitute professional advice. Siller GmbH accepts no liability for any actions taken based on this information.
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