Grades was established in 1999. Over the last twenty years the company has consistently developed and improved its service provision. Grades is one of the leading companies in the field of quality management and consultations. Ours customers are such recognizable campany`s like LMT, RER, LDz, Latvijas pasts, Lidosta Rīga,  Dinotrans, Liepājas tramvajs, Lafivents, Mārupes siltumnīcas, Oberthur, Ventspils composites,  hotel Mercure Riga, Aris Būve.