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At Siller, we welcome conversations with leaders who are shaping tomorrow’s decisions. Please share your details, and our team will reach out to you within 3–5 business days. We look forward to connecting.
Although Siller is located just outside Vienna, we frequently meet international clients in Vienna by appointment. The city provides a central and well‑connected setting for professional discussions and project coordination.
Siller GmbH
Established 2015 Austria
Full Name: Siller Handels GmbH
Address: Gemeindeweg 47, Altenberg, 3422 Austria
Email: info@siller.gmbh
Company Register Number: FN 442495 d
Court of Registration: Regional Court of St. Pölten
VAT Number: ATU69992868
Date of Incorporation: 2015-10-29
Managing Director: Laszlo Siller
Managing Director: Agnes Peter
Shareholding: Laszlo Siller 75.5 %, Agnes Peter 24.5%
Siller is the consulting brand of Siller GmbH.
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.
At Siller, every engagement is led by senior advisors. We are supported by an expert network of research associates, industrial specialists, engineers, lawyers, and tax advisors who provide in-depth analytical and technical expertise. Client communication and final delivery always remain with senior e
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.
© 2015–2026 Siller GmbH. All rights reserved.
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