?Custom software development has been listed as one of the leading services in demand from various industry sectors. There are many software development companies providing software outsourcing services for more than a decade. These companies have been providing innovative solutions to projects outsourced to them, through the extensive knowledge base acquired while doing variety of opportunities that came through their way. It is known fact that software outsourcing is cost effective. The projects are outsourced to places that have low resource costing. But with due vigilance, outsourced custom software development services can further be economized. For custom software development, the clients specify their expectations. The specific requirements for system technology to be used, the treatment of business specific data provided, and the specifications on time and budget constraints are discussed at the start of any project. The environment of the developed products or services too has important final implementation effects, so it is preferred to finalize all the details to its finest detail at initiation phase of the project. Other factors that are defined include application design, development, testing, and deployment procedures in sync with the software development life cycle (SDLC). Once the project is outsourced to a custom software development company, it is the responsibility of the company to determine the necessary processes for achieving the desired outcomes. The project outcomes are pre-defined, measurable, and clearly agreed by both the parties involved in the project. It is made feasible to measure the progress in software application development in comparison to the development plan made during the initial discussion phase of the project. The company who receives the project has the responsibility to hire a team that is suitable in performing for the customers business domain. Proper attention is paid to resource training schedules, setting of standards and meeting them, providing reviews and applying corrective measures to the existing procedures in case of loop-holes. It is seen that constant improvement in knowledge of team and acquiring of refined technology skills is made possible as office undertaking. Once the project is complete in terms of coding and testing phase, it is sent to client for demonstration. On-time feedback from the client is essential to ensure the bug free delivery of the project. Custom software development services focuses on project outcomes. These tailor-made services aim at meeting the specific needs of the client. Custom software development is taken up for mobile, desktop and internet based applications.