SOLIZE Holdings Corporation, together with its subsidiaries, provides digital engineering services in Japan, North America, China, India, Thailand, Europe, and internationally. It operates through the Engineering and Manufacturing, and Consulting and Engineering segments. The company engages in digital engineering development support services, including 3D digital tools, styling, design, analysis, XR, and AI; 3D printer parts manufacturing, such as online 3D printing, 3D printer prototype and final product production, and research and development support; 3D printer sales and maintenance; and transformation consulting services for car, energy infrastructure, construction/general contractor, and LCA. It also provides AI comprising SpectA KY-tool, RFQ guide view, and DKM, as well as mathematics and data scientist-type generative AI agent development services; SDV, which includes MBD/MBSE, autonomous driving, and thermal management; cybersecurity and digital forensics; software development services for embedded control and business systems; educational services, such as private after-school care management, after-school care management consulting, after-school care staff training, and human resource development; and business solutions/DX support. SOLIZE Holdings Corporation was formerly known as SOLIZE Corporation and changed its name to SOLIZE Holdings Corporation in July 2025. The company was incorporated in 1990 and is headquartered in Chiyoda, Japan.