Sify is among the largest Managed Enterprise and Consumer Internet Services companies in India, offering end-to-end solutions with a comprehensive range of products delivered over a common telecom data network infrastructure reaching 500+ cities and towns in India.

A significant part of the company's revenue is derived from Corporate Services, which include corporate connectivity, network and communications solutions, security, network management services, enterprise applications and hosting. Sify is recognized as an ISO 9001:2000 certified service provider for network operations, data center operations and customer support, and for provisioning of VPNs, Internet bandwidth, VoIP solutions and integrated security solutions, and ISO 27001 certified for Internet Data Center operations. Sify has licenses to operate NLD (National Long Distance) and ILD (International Long Distance) services and offers VoIP back haul to long distance subscriber telephony services. The company is India's first enterprise managed services provider to launch a Security Operations Center (SOC) to deliver managed security services. A host of blue chip customers use Sify's corporate service offerings.