BYKO is an Icelandic hardware store chain.
History.
In 1962 Guðmundur H. Jónsson and Hjalti Bjarnason opened a hardware store on Kársnesbraut in Kópavogur under the name Byggnadsvaruverslun Kópavogur. In 1972, the store was moved to Nýbýlavegur 6, and by 1988 the store had moved once again to a larger premises 
BYKO currently operates stores in six locations around the country, with the flagship store being in Reykjavik.