Access the World’s Most Exclusive Real Estate Opportunities Today

​​Luxury Real Estate Investments in South Florida

At Sieber International, we curate exceptional real estate opportunities in Miami and New York. With precision, insight, and expertise, we craft strategies that transform investments into lasting luxury and enduring value

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More than an agent, we are your partner within the United States

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Property management in the United States at unbeatable prices

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Up to 90% financing for national investors

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Ruedi Sieber and His Team: Strategic Vision. Proven Expertise. Lasting Value.

Your strategic ally for investing securely in the United States.

Ruedi Sieber leads a results-driven team recognized for its deep market insight and personalized approach to high-end real estate. With a focus on Miami and New York’s premier markets, Sieber International delivers tailored strategies that align investment potential with lifestyle aspirations—where every client relationship is built on trust, precision, and performance.

  • In Closed Sales

    +850M

  • Luxury Units Sold

    +600

  • Active Properties under management

    +200

  • Locations covered in Miami and New York

    +40

  • Languages for Global support

    +8

The Future of Miami and New York Is Being Built Today

Investing in Tomorrow’s Skyline

Discover exceptional opportunities in both pre-construction and move-in ready developments across Miami and New York. These dynamic markets continue to lead in growth, value, and design—offering unmatched potential for long-term appreciation and elevated living

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Our Services

Sieber International delivers personalized real estate guidance with a seamless, end-to-end approach. From purchasing in a new city to managing multiple properties, we provide strategic insight, transparent service, and lasting value at every step.

A Trusted Partner for Your Investments

Put your investments in the hands of professionals

Put your real estate investments in the hands of proven professionals. More than agents, we act as your partners and advisors in the U.S. market—bringing over 20 years of experience, strategic insight, and exceptional portfolio management.

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Financial Analysis & Market Intelligence

We monitor market movements daily to ensure your decisions are informed and secure.

Our team provides the most relevant insights—delivering accurate data, trend analysis, and financial intelligence that directly impact the value and performance of your real estate investments.