Frequently Asked Questions

We provide strategic advisory, corporate finance, valuation, transaction advisory and decision science. Typical engagements include business case and investment evaluation, financial modeling, commercial due diligence, price forecasts and benchmarks, and second-opinion reviews of internal or external assumptions.

We focus on regulated, capital-intensive and market-driven industries: energy and power, gas and commodities, infrastructure, industrial value chains, financial institutions and the public sector.

We work with corporates, investors, financial institutions, public authorities and advisory firms. We also support international consulting and audit firms as a specialist partner on energy and valuation topics.

We are headquartered in Austria and work across Europe, with a particular focus on Central and Eastern Europe. Selected engagements extend to the Middle East and other international markets.

We are privately owned and have no affiliation with banks, asset managers, developers or technology vendors. We run a conflict check before every engagement, and our conclusions are not influenced by transaction outcomes.

No. We provide business and management consulting, including corporate finance, valuation and transaction advisory. Legal and tax matters are covered by the client's counsel or by partner firms. We do not provide regulated investment advice.

Engagements are scoped in a written proposal with defined deliverables, timeline and team. Pricing is based on a fixed fee or on agreed daily rates, depending on scope. For selected transaction engagements, the fee may include a success-linked component. Such components are agreed in advance and do not affect our analysis or conclusions.

We sign non-disclosure agreements on request before any data is shared. Client data is stored in a dedicated, access-controlled Microsoft 365 environment. Team members receive access only to the information required for their work.

Yes, in a controlled way. We use enterprise-licensed AI tools (Microsoft 365 Copilot and Anthropic Claude) to support research and analysis. Client data is not used to train AI models, and all conclusions are reviewed and signed off by senior team members.

Every engagement is led by a partner or associate partner, who remains the client's main point of contact. Senior experts and analysts support the work as required, and partner firms contribute specialist expertise where needed.

We work in English, German and Hungarian. Deliverables are typically prepared in English.

Use the Speak with a Partner form, or contact us at office@silleradvisory.com. For procurement, vendor registration and tender documentation, contact office@silleradvisory.com.