What we do.

Investor Mediation

We connect international projects with the right investors. Acting as a strategic intermediary, we bring together founders, companies, and capital partners and support the process with strategic guidance and our international network.

Marketing Consulting

With a strong focus on national & international launch strategies, digital transformation as well as the optimization & scaling of business models, we help companies achieve their goals.

Strategic Partnerships

We help you launch, optimize and scale your business or brand. With our network of marketing specialists, investors, mentors and media & trade experts, we accompany you to achieve your goals and beyond.

Who we are.

Markus Siuda

CEO & Founder

Martin Siuda

CEO & FOUNDER

Over the past 20 years, Markus and Martin Siuda have built a strong international network of entrepreneurs, investors, industry experts, and decision-makers. This network is the foundation of their work today: connecting companies with the right partners to scale, expand internationally, and secure strategic funding.

Their background spans startups, agencies, and corporate environments, giving them a deep understanding of how businesses grow at different stages. Through CORVIS, they combined strategic brand building, performance marketing, and international market expertise into a powerful platform for growth.

Today, Markus and Martin work closely with companies, agencies, and investors who rely on their experience, strategic perspective, and global connections. In addition, they are actively involved in international industry organizations and advisory boards, further strengthening their access to high-level networks across markets and industries.

Our Clients.

Get in touch.

SIVEST GmbH | Stubenring 18/8, 1010 Vienna, Austria
VAT: ATU77386605, CRN 565032 f, Juristiction: Vienna • Shareholders: Martin Siuda, Markus Siuda • Terms of Service

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