ONESTRUCTION

Founded in 2020 and based in Tottori, Japan, ONESTRUCTION Inc. , d. b. a ONESTRUCTION, operates as a nexus between construction and technology offering BIM (Building Information Modeling) technology services and plug-in software.

The company engages in the creation and delivery of the OpenAEC series, the advancement of construction DX solutions, the development of construction AX solutions, the 3D modeling sector, BIM/CIM data consulting services, solution support operations, and contractual work related to bridge repair design. The firm as of April 2024 led by its Representative Director and CEO, Daiho Nishioka, and Director and CTO, Yoshitoshi Miyauchi. In April 2026, ONESTRUCTION Inc. raised an undisclosed amount in venture funding from Mitsui Sumitomo Insurance Venture Capital, Regional, Talent and Future, Albacross, Chugin Capital Partners, San-in Godo Bank, Japan Finance Corporation and Tottori Bank.

The round was part of a larger JPY 910 million venture and debt funding. The company’s core services include openBIM® domain development, where they elevate companies' BIM efforts to international standards through business and solution development. Additionally, ONESTRUCTION specializes in BIM/CIM for architecture, civil engineering, and real estate industries, providing management, document preparation, and modeling services. It also offers software utilization support to maximize the benefits of BIM, reduce costs, and enhance productivity.

ONESTRUCTION’s product offering is an OpenAEC for Bsdd, a tool that fills in the missing links in openBIM and bridges the gap from bSDD to BIM authoring tools. bSDD’s features include an up-to-date dictionary for users to load data into their BIM authoring tool, creating a system of linkage from native data to reliable IFC data. The company plans to utilize the April 2026 funding to develop AI tools for the construction industry, improve BIM software, strengthen hiring, advance core technologies, expand overseas, and build global partnerships.