H2 Corporation, a Toyo, Japan–based construction technology startup, has raised a pre-Series A extension round.
Investors
The round was led by New Enterprise Associates (NEA), with participation from existing investors Spiral Capital, JAFCO, MetaProp, One Capital, and Boost Capital.
NEA is a global venture capital firm focused on helping entrepreneurs build transformational businesses across multiple stages, sectors, and geographies. Founded in 1977, NEA had more than US$28 billion in assets under management as of June 30, 2025, and invests in technology and healthcare companies at all stages of a company’s lifecycle, from seed stage through IPO. The firm’s track record includes 284 portfolio company IPOs and more than 500 mergers and acquisitions.
H2 Corporation Use of Funds
The company will use the funds to accelerate global expansion, enhance R&D on proprietary AI models, expand the AISekisan Platform’s features, and hire top engineering and go-to-market talent.
About H2 Corporation
H2 Corporation was founded in 2020 with the mission of providing technology that significantly increases operational efficiency in the construction industry, where labor shortages are a growing challenge. Led by CEO Keiji Kawashima, its flagship product, the AISekisan Platform (AISP), is an AI-native system of record for the construction industry that automates estimating and order placement processes. Headquartered in Minato-ku, Tokyo, the platform integrates domain-specific AI with the key functions required by construction enterprises.
Funding Details
Company: H2 Corporation, Co, Ltd.
Raised: Undisclosed
Round: Pre-Series A extension
Funding Date: December 2025
Lead Investor: New Enterprise Associates
Additional Investors: Spiral Capital, JAFCO, MetaProp, One Capital, Boost Capital
Company Website: https://www.h2corporation.co.jp/
Software Category: AI Platform / Construction / Estimation Automation
Source: https://prtimes.jp/main/html/rd/p/000000004.000148057.html