ERNI Immobilien, founded in 1991, is a specialized real estate management company based in Ostermundigen, Switzerland. The company offers comprehensive services in operating cost accounting, energy management, and building technology consulting. Their team combines expertise in building technology, accounting, and tenancy law to deliver transparent and understandable cost statements for property owners and tenants. ERNI Immobilien serves both residential and commercial properties, including notable reference projects such as Wankdorf-Center Bern, D4 Business Village Luzern, Mall of Switzerland Ebikon, and Letzipark Zürich.