Guardsquare is a privately owned enterprise security company founded in 2014 and headquartered in Belgium. The company provides mobile application security solutions to protect against threats such as reverse engineering, tampering, and fraud. Guardsquare's main product is a software development kit (SDK) that integrates with mobile applications to provide security features such as code obfuscation, anti-tampering, and runtime application self-protection. The company has over 130 employees and generates less than $25 million in annual revenue as of 2023.