Incorporated in 1992 by Subash Menon, Subex is the leading global provider of Operation Support System solutions (OSS) with a mission to empower communication service providers to achieve competitive advantage and deliver new service experiences to subscribers.

With a start up capital of Rs 20,000 in 1992, it has won a client list that includes 32 of the world's 50 largest telecommunications service providers within a period of 17 years. It has more than 300 installations across 70 countries worldwide. Subex migrated into the software space in 2000.

It is organized into three distinct business units namely: Revenue Maximization Solutions BU, Fulfillment and Assurance Solutions BU (formerly Syndesis) and BT Business BU.

The company pioneered the strategic concept of the Revenue Operations Center  -- a centralized and integrated infrastructure for end-to-end monitoring, measurement and control of the operator's revenue chain -- to foster operational dexterity and, hence, sustained profitability.

Subex offers a wide range of solutions namely Revenue Assurance, Fraud Management, Credit Risk Management, Interconnect Billing, Interparty Management, Route Optimization and Cost Management.

Acquisitions:

 * 2001- Acquired Canada based Magardi Inc, 
 * 2004- Acquired Alcatel FMS Biz , Lightbridge FMS business,
 * 2006- Acquired Azure Solutions, UK
 * 2007- Acquired Syndesis , Canada

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