Open Systems Integrators (Pvt.) Ltd. (OSI), a proud subsidiary of E-W Information Systems (EWIS), has been delivering innovative and reliable ICT infrastructure solutions for over 25 years. We specialize in enterprise security, cloud services, system integration, software development, and IT consulting—serving both public and private sector clients across Sri Lanka.

With a proven track record of over 580 successful projects and trusted by 300+ clients, OSI is known for its unmatched expertise, commitment to quality, and customer-centric approach. As a Microsoft Cloud Accelerate Partner and recognized reseller, we help organizations transform their IT environments with confidence.

Open Systems Integrators

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