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Our story

A Decade of Impact with Our Valued Clients

Over ten years, Siller has grown from a local advisory firm in Austria into an independent partner for strategic, financial and operational decisions across Europe, the Middle East and Asia.

201520252035
90+
Projects delivered
€5B+
Project and portfolio value advised
15+
Client industries served
100%
Privately owned and independent
Our journey

From a local practice to an independent international partner

Thank you to our valued clients for ten years of trust.

Every engagement is led by senior advisors, supported by a network of research associates, industry specialists, engineers, lawyers and tax advisors. Senior advisors remain responsible for client communication and final delivery.