We believe each Partner is a long-term partnership and that's why we chose the best partners for Development and Hospitality Management for our projects. Our Business. LOG IN. Philanthropy With over N10bn investment in education and entrepreneurship, we understand that the progress of a society is largely dependent on giving back. Quantum Capital is a Real Estate Investment Company that is focused on delivering unique hospitality and commercial projects in Portugal by leveraging our partnerships and expertise with our private investors, offering them the best opportunities in the market. To date, every investment has been successful.