4Mobility SA, formerly E-Solution Software SA, is a Poland-based company engaged in the provision of passenger car rental services. The Company focuses on the development of car sharing services under the 4Mobility brand name. It operates a number of car rental facilities located nearby business centers in Warsaw, Poland. The car users register an account online and download a mobile application (app). Through the app, customers book an available car, open cars with 4Mobility card or smartphone, as well as process payments using a credit card. The Company offers various types of calculating rental cost, including per minute, per hour, per night and per weekend. In addition, it provides custom solutions for businesses and individuals.