Valter Mainetti

Castelgandolfo 2008 SpA is an Italian company that leases real estate properties. The private company is based in Brescia, Italy.

Associazione Nazionale tra le Società di Promozione e Sviluppo Immobiliare operates as a non-profit organization for real estate entrepreneurs. It represents the interests of its members by associating with companies that invest in enhancement and development initiatives, transformation, management, and recovery of buildings and building areas. The company was founded in 1993 and is headquartered in Milan, Italy.

Sorgente Group SpA is engaged in providing investment services. The firm focuses on the acquisition of income generating property, both fully completed and to be restored, as well as on development projects. The company was founded in 1910 and is headquartered in Rome, Italy.

Sorgente SGR SpA is the real estate management subsidiary of Sorgente Group Italia SpA in Italy. The firm was founded in 1999 by Paolo Emilio Nistri and Valter Mainetti. Headquartered in Rome, Sorgente SGR provides a range of real estate investment solutions primarily for pension funds, insurance companies, foundations, banks and professional associations.

The Brasilinvest Group provides real estate, financial, technology, infrastructure and energy services. It supports sustainable development and socially responsible iniatives through different not-for-profit organizations. technological development, green economy, human rights, legal integration, clean energies, growth economies, international trade & investment, education and poverty alleviation. The company was founded in 1975 and is headquartered in Sao Paulo, Brazil.

Dual Real Estate Investment SA engages in the investment in real estate properties. It invests in residential and mixed properties in the canton of Geneva. The company was founded in 2012 and is headquartered in Fribourg, Switzerland.

Part of Sorgente Group SpA, Main Source SA is a Luxembourger company that provides banking services. The company is based in Luxembourg, Luxembourg.

Milanosesto SpA is a holding company, which engages in the development, redevelopment, and sale of real estate properties. Its project portfolio includes residential, office, retail, hotel, industrial, and recreational properties. The company is headquartered in Sesto San Giovanni, Italy.