Sigma is involved in the offshore industry with core competency in Application Development and Maintenance (ADM) services on a Fixed Price SLA Model. Sigma 's suite of Application Management Services (AMS) is well supported by a robust Offshore Delivery Center (ODC) model that provides better flexibility, scalability and seamless integration options for our customers.

Sigma's suite of Application Management Services include:
Application Portfolio Analysis Services to help decide the Retain-Extend-Retire (R-E-R) alignment of the application portfolio.Sigma's Application Portfolio analysis Services guide enterprises to assess the application portfolio and identify improvement opportunities. Our Application Portfolio Analysis approach ensures that decisions are made to align IT initiatives with business objectives.

Application Maintenance Outsourcing
(AMO) Services to help keep 'Retained' application portfolios up and running. Sigma's AMO service offering help reduce the Total Cost of Ownership (TCO) of the application through knowledge management, early offshore leverage and application betterment solutions.

Application Migration Service
providing proven methodology based services to help migrate applications to newer platforms and databases.