FIXER Inc. (5129.T) is a Japan-based cloud integrator that designs, constructs, and operates information systems specializing in cloud platforms, primarily Microsoft Azure. The company provides project-type services including new system development and cloud migration of existing systems; resale of cloud and software licenses from public cloud vendors; managed services encompassing operation, maintenance, troubleshooting, and 24/7 monitoring via its proprietary full-managed service cloud.config; and software-as-a-service (SaaS) offerings developed from high-demand functions identified through operations. Founded in 2009 and headquartered at Seavans South Building 24F, 1-2-3 Shibaura, Minato-ku, Tokyo, FIXER serves enterprise customers across industries such as finance, automotive, gaming, medical, and government in Japan. In recent developments, FIXER has expanded into generative AI with its enterprise service GaiXer, which enables secure use of large language models and has seen deployments in municipalities including Anjo City, Kanoya City, and Sendai City, as well as partnerships like with Fujita Health University for a medical discharge summary system and with Sakura Internet for a domestic-cloud version. Additionally, in November 2025, FIXER announced the launch of an AI edge workstation combining Lenovo's ThinkStation PGX hardware with GaiXer, targeting DX in government, healthcare, and enterprises starting in January 2026.