H2 Corporation Raises Pre-Series A Extension

H2 Corporation Raises Pre-Series A Extension

H2 Corporation, a Toyo, Japan–based construction technology startup, has raised a pre-Series A extension round.

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.

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.

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