We draw from 21 years experience as one of the Türkiye’s leading facilities management providers to offer service solutions. (E4 is a member of Erkan Group of Companies http://www.erkaninsaat.com.tr ) From basics like Security and Cleaning , to high-end specialist services we provide custom integrated facilities management solutions to fit the unique needs of your facility. Our Areas of Expertise: Facilities Management Facility Systems Design & Implementation Facility Administrative Functions Security Cleaning Landscape