Founded in 2001, Sirena-Travel is one of the leading providers in the field of next generation Passenger Service System (PSS). Developed by Sirena-Travel, Leonardo PSS is a universal IT platform, which intended to use by all categories of air carriers. Leonardo PSS is a passenger-centric intelligent airline platform which ensures “the all-in-one solution” in combination with affordable price policy, tight implementation deadline and quick time to market in all sales channels. Sirena-Travel provides hosting for 50+ airlines and processes over 40M Passenger Boarded annually. Being an IATA Strategic Partner, Sirena-Travel was certified by IATA as NDC capable IT provider - Level 2.