A real estate agent’s best friend.

Immoviewer is an innovative technology company which develops powerful and easy to use products for the real estate industry.

What we’ve built

European leader
for virtual tours with customers in 9 countries

World’s first supplier
of broker-run virtual property tours

First German supplier
of automated property videos

property videos created for our customers

virtual property tours created since 2015

users who work with our products worldwide

satisfied real estate brokers, financial institutions, developers and housing industry companies

International Customer Care
in German, English, Spanish, French and Italian

What we value

We create solutions to facilitate the work of agents and customers to create an outstanding real estate experience.

Where we’re headed

We are convinced that when our customers use immoviewer they are helping the digital transformation of the real estate industry itself.

We work with a team of 25 International employees who understand the challenges and goals of our customers.

We are transforming technology into reality – and we are not finished yet …

Arne Stoldt


About Arne

Arne Stoldt directs daily business strategies and development of products at immoviewer. Before immoviewer he was a Managing Consultant at PricewaterhouseCoopers and VP of Design Management at Deutsche Telekom. He has 15 years of management experience in start-ups of the digital economy.

Ralf von Grafenstein

Founder and CEO

About Ralf

CEO Ralf von Grafenstein founded and built immoviewer from day one. He manages product portfolio development, key accounts and internationalization. Before immoviewer Ralf was Sales Director and VP of Strategical Alliances at Netviewer AG. Netviewer AG was acquired by the US listed company Citrix Systems (CTXS) in 2011.

René Blanke

Head of Inside Sales / Cooperation

About René

René Blanke is the director of the internal sales team. Before immoviewer René was a real estate specialist for Germany’s largest residential real estate company LBS Immobilien and was a Key Account Manager and team leader for Europe’s largest Real Estate Portal, ImmobilienScout24.