After joining Sieber as my Real Estate Broker, I have deposited all of their experience and support with all my confidence. Sieber International is dedicated to providing its clients an array of Real Estate services in Miami and New York. With diligence and a top level team, Sieber is one of Miami and New York?s most prominent boutique real estate firms. Sieber International delivers New York and Miami to the world and it does so by giving international investors every facility to purchase real estate as if they were buying in their own country.