"Tonus-Les" LLC was founded in 2000 as a wholesaler of medicine and medical devices. The company is the official representative of a number of foreign partners not only in Armenia but also in Georgia and Kazakhstan. "Tonus-Les" is the first pharmaceutical company which in 2009 put into operation its office building complying with GDP standards. That structure provides convenient environment for more efficient work of the company's employees. Expanding its scope of activities, today "Tonus-Les" offers contract research services as well.