IT system integration is the process of connecting and integrating various information technology (IT) systems, software, and applications into a single, complex system. This connection and integration enables efficient data exchange between different systems, more effective management of business processes, and optimization of IT infrastructure.

A wide range of IT system integration services are offered to businesses, including application development, software integration, data integration, data warehousing, and business intelligence solutions. The advantages of IT system integration include more cost-effective operation, more efficient operation of business processes, and greater data security.

Specialized knowledge and expertise are required for IT system integration services, so these services are typically performed by professionals.