We facilitate spaces where the future takes shape.

Our Philosophy

We consider ourselves passionate team players, united by a shared vision: to achieve the best possible results for our clients by combining our diverse expertise. Trust, respect, and honesty form the ethical foundation of our work, intrinsically linked to our professional competence and extensive experience.

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Our History

Seit über 20 Jahren sind wir in der Wiener Immobilienbranche tätig – mit einem klaren Fokus auf Gewerbeimmobilien und Investments. Unsere Geschichte ist geprägt von nachhaltigem Wachstum und langfristigen Partnerschaften.

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Our Team

Christian Schmück

Management and Investment
Our Story & Contact

Christian Schmück

Management and Investment

After two formative stints at renowned Viennese real estate law firms, Christian Schmück founded colourfish Real Estate Immobilienmakler GmbH in 2006.

His extensive experience in real estate investment covers a broad spectrum. This ranges from the valuation and structured sale of complex Viennese Gründerzeit buildings, including both single and two-stage bidding processes, to classic investment properties such as office and retail spaces.

Thanks to his extensive experience, Christian Schmück possesses an excellent network and profound investor expertise. His daily work is centered on personal interaction and a deep, lasting understanding of market dynamics and client needs.

Languages: German, English

Marija Marjanović

Investment
Our Story & Contact

Marija Marjanović

Investment

Marija brings about 15 years of experience in the real estate industry, as well as extensive leadership experience, and has in-depth expertise in real estate financing and brokerage. At colourfish Real Estate Immobilienmakler GmbH , her focus colourfish Real Estate Immobilienmakler GmbH on the investment sector, with a particular emphasis on apartment buildings.

With an analytical approach and a keen understanding of market dynamics, she consistently operates with a clear objective, staying abreast of current trends. Her extensive network, cultivated over many years, provides her with excellent industry connections. She is distinguished by her clear methodology, her ability to efficiently articulate complex matters, her structured work ethic, and her reliable, direct communication style.

Languages: German, English, Serbian

Leonhard Pranter

Investment
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Leonhard Pranter

Investment

Following professional roles in London and Vienna, Leonhard Pranter founded NEXT SPORTS MARKETING, a venture in which Christian Schmück was also involved. To this day, his team manages international football personalities such as Marko Arnautović, providing support for their real estate affairs as well.

Concurrently, Mr. Pranter has a long history of working within Vienna's apartment building sector. Currently, his expertise is dedicated to brokering and strategically guiding real estate investments for family offices, as well as national and international clients, including professional footballers both domestically and abroad.

Languages: German, English

Andrea Fiedler

Commercial
Our Story & Contact

Andrea joined the team at colourfish Real Estate Immobilienmakler GmbH in February 2026. In addition to her extensive expertise, she brings her friendly demeanor, plenty of energy, and a positive attitude to her daily work.

With over 20 years of experience in the real estate sector and a keen understanding of commercial properties, particularly office spaces, Andrea is an invaluable asset to the team. She expertly guides clients through increasingly intricate and extensive leasing processes and actively supports project management. Her work consistently prioritizes personalized advice, structured procedures, and sustainable solutions.

Languages: German, English

Florian Rainer

Commercial
Our Story & Contact

Florian Rainer has been part of the team at colourfish Real Estate Immobilienmakler GmbH since the fall of 2022 colourfish Real Estate Immobilienmakler GmbH has more than 15 years of experience in the real estate industry.

His expertise is concentrated on the Vienna office and commercial real estate market. Leveraging his in-depth market knowledge, he assists companies in optimizing their current locations and in identifying suitable new premises.

Florian Rainer serves his clients as a dependable and experienced partner, guiding them from the development of a customized requirement profile and the selection of suitable properties through to the negotiation of contracts. His daily work centers on personal interaction and providing focused, sustainable advice.

Languages: German, English, Italian

Sophie Schmück

Commercial
Our Story & Contact

Sophie Schmück has been with colourfish Real Estate Immobilienmakler GmbH since 2019 colourfish Real Estate Immobilienmakler GmbH brings more than 20 years of experience in the real estate industry to the company.

Her primary focus is on the retail sector and the leasing of office properties. She provides comprehensive support to both tenants and landlords throughout the entire leasing process, ensuring a structured and efficient transaction.

With her extensive experience and profound market understanding, Sophie Schmück possesses a strong aptitude for sustainable solutions. Clients benefit from her expert advice and consistently positive and cheerful demeanor. Her daily work emphasizes personal interaction and collaborative partnerships built on trust.

Languages: German, English

Siegbert Sappert

Historische Immobilien
Our Story & Contact

Siegbert Sappert

Historische Immobilien

Die Begeisterung für Burgen und Schlösser begleitet Siegbert Sappert seit Kindesbeinen. Über 3.000 Burgen und Schlösser weltweit hat er bereits besucht und sich dabei ein außergewöhnliches Wissen über historische Bauten und ihre Geschichte angeeignet.

Fachlich fundiert ist diese Leidenschaft durch sein Architekturstudium in Wien mit Schwerpunkt Kunstgeschichte und Denkmalpflege zuzüglich seiner Weiterbildung in Krems in den Bereichen Sanierung und Revitalisierung historischer Gebäude sowie Kulturgüterschutz. Er ist Mitglied bei ICOMOS Österreich sowie im Verband österreichischer Kunsthistorikerinnen und Kunsthistoriker. Außerdem ist er aktiv tätig im Verein historischer Gebäude Österreich (ehemals Burgenverein).

Seit über zehn Jahren arbeitet Siegbert Sappert in der Immobilienwirtschaft mit dem Schwerpunkt historische Immobilien und hat in diesem Zeitraum den Verkauf von über 20 Burgen und Schlössern erfolgreich begleitet. Dadurch kennt er die Besonderheiten historischer Objekte aus der täglichen Praxis.

Languages: German, English

Laura Kropatschek

Back Office & Marketing Coordination
Our Story & Contact

Laura Kropatschek

Back Office & Marketing Coordination

Laura Kropatschek has been with colourfish Real Estate Immobilienmakler GmbH since early 2022. After completing her bachelor’s degree, she is currently pursuing an MSc in “Geographies of Global Change and Sustainability Transformations” with a specialization in spatial planning, which is allowing her to further deepen her professional knowledge and build a valuable network.

At colourfish, Laura Kropatschek enhances the back-office operations and serves as a crucial link between the team and the marketing department. She supports internal organization, ensures seamless processes, and plays a key role in implementing new marketing initiatives. Her structured approach and dedication are instrumental in ensuring projects are executed efficiently and the team receives optimal support.

Languages: German, English, French, Spanish

Emma Hirschmann

Back Office
Our Story & Contact

Emma Hirschmann

Back Office

Emma Hirschmann unterstüzt die colourfish Real Estate Immobilienmakler GmbH seit September 2026 im Back Office. Sie hat die HTL am Camillo-Sitte-Bautechnikum abgeschlossen und studiert derzeit Wirtschafts- und Sozialwissenschaften an der WU Wien. Damit bringt sie technisches Verständnis ebenso mit wie ein solides wirtschaftliches Fundament.

Im Team ist Emma für ihre ruhige und genaue Arbeitsweise bekannt. Sie ist stets hilfsbereit und entgegenkommend und behält auch bei vielen parallel laufenden Aufgaben aufmerksam den Überblick. So trägt sie wesentlich dazu bei, dass interne Abläufe reibungslos funktionieren und das Team optimal unterstützt wird.

Languages: German, English

We invite you to consult with us.

Tailored advice for your real estate projects – expert, personal, and efficient.

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