QuestByte Ltd.& Co. KG is an independent vendor of software development services based in Cologne, Germany. QuestByte was founded by senior IT experts in order to respond to the growing market demand for high-quality IT services. The vision of QuestByte is to continue expanding its role as a leading Pan-European company focused on modern software technology and its efficient implementation. QuestByte provides its services based on the CMMI quality assurance standards.

QuestByte's customers come from various EU countries and many industries, including software vendors, consulting companies, telecommunication companies, logistics companies, and automotive enterprises.