COL is a leading IT services company in Hong Kong with over 36 years of experience. COL offers a full range of IT infrastructure and application services to our customers. Our data centre and business continuity solution is the flagship product in our service portfolio with 80% market share in the financial industry and the MNC sector. To ensure a high-quality standard, three of our data centres, two of our business recovery centres and tape vault services in Hong Kong have received the ISO/IEC 20000:2005 and ISO/IEC 27001:2005 certifications.

System integration is another core competence of COL. COL possesses sophisticated network solution design and implementation capabilities with gold partner accreditation from Cisco. To better address the increasingly complex solution demand, COL has developed comprehensive professional services capabilities with CMMI Level 3 qualification. COL's application implementation services cover budgeting & planning, ERP & Supply Chain management solution, as well as HRMS solutions. COL is also an EMC Velocity Partner, a Hyperion Consulting & Reseller Partner for Business & Management Planning, a Microsoft Certified Partner, and a world-wide Oracle Certified Partner.