Clarity. Direction. Results.
Independent valuations and trusted advice, bringing clarity, direction, and results.
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Independent valuations and trusted advice, bringing clarity, direction, and results.
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.

Driving decarbonization strategies, green finance, and sustainable investments across industries.

Leveraging new technologies to optimize operations, reduce risks, and enhance decision-making.

Building robust, diversified, and sustainable supply chains in a volatile global market.

From industrial real estate to renewable infrastructure — redefining how capital is allocated.

Structuring investments and securing bankable projects that align with ESG and investor mandates.

Responding to evolving demographics, digital commerce, and ESG-driven retail formats.

Navigating EU policy shifts, local permitting, and cross-border investment challenges.

International expertise based in Austria, with a focus on the DACH and CEE regions. Our multilingual team and international network support clients across Europe and beyond.
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.
🌐 Language: English | Deutsch | Magyar
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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Clarity. Direction. Results.
Independent perspectives on markets, transformation, and the systems shaping economies