Application maintenance is the most critical part of any business. As needs for business changes constantly, application deployed to manage business also needs to accommodate business changes as well as additional features are required to be developed. It is also a challenge for an application outsourcing service provider to work on an existing business critical system. Over the time, we have developed process which understands importance of critical business applications, thus Spiro assists you not only in customized application development but also maintaining them which ensures smooth operations and reduces the cost of redeveloping and redeploying applications.