About us


Who Are We?

John Kouroupis founded Grant Signs in 1986. Equipped with years of experience and excellent knowledge on silk-screen printing and constructions, he managed to create a business environment with complete mechanical equipment such as CNC Router, CNC Laser, Digital Printing machines.

He discovered Plexi Glass at 1990 and started working on its infinite possibilities. Always fascinated by this beautiful material, he never stops experimenting and surprising us with his ideas and unique constructions.

Browse Plexi Grant and do not hesitate to contact us for any information!