Information Strategy & Technology Co., Ltd. Information Strategy & Technology Co., Ltd. (155A.T) provides digital transformation (DX) support services to large enterprises in Japan, specializing in Tier 0 system development and the White Box future matching platform; Tier 0 system development employs an agile methodology enabling collaborative development between customers and engineers through iterative proposals and consultations adaptable to changing business conditions, while White Box connects system development companies and freelancers with projects requiring elite talent. The company operates primarily in the software and IT services sector, targeting industries such as finance, retail, gaming, real estate, and human resources through direct partnerships with major corporations; it employs 170 people and focuses on in-house DX support to eliminate multi-layered subcontracting structures in system integration. Founded in 2009 and headquartered in Tokyo, Japan, the company recently agreed to acquire AK Plus Co., Ltd., a provider of system engineering services, cloud system integration, and AWS-focused infrastructure operations, for ¥800 million in February 2025 with a second tranche scheduled for May 2025 to expand DX in-house support capabilities; it also completed an equity buyback of 200,000 shares, or 1.92% of its outstanding shares, announced in September 2025 and listed on the Tokyo Stock Exchange in May 2024.