SquareOne

Founded in 2009, SquareOne is a custom software and AI development company based in Seoul, South Korea, serving clients worldwide. The company brings together planning, design, engineering, and ongoing support to help businesses launch new products, improve existing platforms, and put AI to work in their operations.

SquareOne builds web applications, mobile apps, and business systems, with expertise in AI integration, document processing, workflow automation, and system integrations. Its team also takes over existing software projects, modernizes older platforms, and provides maintenance, monitoring, and continued development after launch.

With 100+ projects delivered, SquareOne has experience across finance, sports, gaming, ecommerce, and other industries. Its client portfolio includes Hyundai Motor, Korea Investment & Securities, CJ ENM, and Riot Games. Through clear communication and a commitment to long-term partnerships, SquareOne supports clients from the first idea through launch and ongoing operation.