
Independent valuation and financial decision support in complex transaction and investment contexts
Siller Advisory provides independent valuation and financial advisory services to owners, executives, investors, and institutions facing complex financial decisions. Our work supports transactions, investments, restructurings, and strategic capital decisions where valuation accuracy, market realism, and defensible assumptions are critical.
We operate as an independent advisor, delivering objective analysis and clear judgment in situations where financial outcomes are material and long‑term.
Our valuation and financial advisory services focus on decision‑critical situations, including:
Our role is to ensure that financial decisions are grounded in robust analysis, transparent assumptions, and market‑consistent logic.

A defining element of our valuation work is the direct integration of market benchmarks, price forecasts, and macro‑economic scenarios into financial analysis.
We incorporate:
This approach reduces reliance on static assumptions and ensures that valuation outcomes remain robust and defensible across scenarios.

Within Valuation & Financial Advisory, we support M&A and transaction processes through independent, analytical decision support, including:
We do not act as a broker. Our role is to strengthen governance and decision quality through independent analysis.

Our valuation and financial advisory work is supported by advanced analytics and decision‑science frameworks that allow us to assess uncertainty, stress‑test assumptions, and evaluate outcomes across a wide range of scenarios.
We apply structured quantitative methods to:
These analytics capabilities ensure that valuation conclusions are robust, defensible, and decision‑relevant.

Credible valuation depends on realistic forward‑looking assumptions. We therefore integrate long‑term price forecasts and independent market benchmarks directly into valuation and transaction analysis.
Our price‑forecasting and benchmarking work supports:
By grounding valuation inputs in independent, market‑anchored forecasts, we improve the durability and credibility of valuation outcomes.

Valuation & Financial Advisory engagements are designed to deliver:
Our focus is clarity, independence, and decision relevance.

Managing Partner, Valuation & Strategy

Managing Partner, Client Engagement

Partner, International Tax & Restructuring

Partner, Legal, Compliance & Risk
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.
Clarity. Direction. Results.