SpreadsheetGear is a software company that provides high-performance spreadsheet components for .NET developers. The company offers solutions that enable developers to incorporate advanced Excel-compatible spreadsheet functionalities into their desktop, web, and server applications. Their products support features such as complex calculation models, data visualization, and the ability to programmatically manipulate spreadsheet files. SpreadsheetGear's offerings aim to ensure seamless integration and efficient processing within applications, catering to businesses requiring robust spreadsheet manipulation capabilities.