Here are five of more than 30 risk points to address in the construction of an MSOW. You should consider all program risk points prior to signing off, rather than waiting until after the signing of the MSOW to conduct the first risk assessment.
Source: 5 mistakes to avoid when developing a SOW with Accenture, Deloitte, and IBM | CIO
The top 10 IT outsourcing service providers of the year | CIO
Top 10 IT service providers of the year Accenture TCS Cognizant Wipro HCL Capgemini IBM Infosys