Insyde Software (Chinese: 系微公司; pinyin: Xìwēi Gōngsī) is a company that specializes in UEFI system firmware and engineering support services, primarily for OEM and ODM computer and component device manufacturers.

The company's product portfolio includes InsydeH2O BIOS (Insyde Software's implementation of the Intel Platform Innovation Framework for UEFI/EFI[1]), BlinkBoot, a UEFI-based boot loader for enabling Internet of Things devices,[2] and Supervyse, which is a full-featured systems management/BMC firmware for providing out-of-band remote management for server computers.

At that time, Insyde Software's management team consisted of Jeremy Wang, Chairman (also the Chairman of PCT); Jonathan Joseph, President (a former founder of SystemSoft); Hansen Liou, the General Manager of Taiwan Operations and Asia-Pacific Sales, and Stephen Gentile, the Vice President of Marketing.

[5] On 23 January 2003, Insyde Software announced its initial public offering on the GreTai Securities Market (GTSM) based in Taipei, Taiwan.

In December 2023, Binarly (a security firm) published a set of vulnerabilities discovered on a number of bios chips which they termed "LogoFAIL", including Insyde's.