Prefab, a Tokyo, Japan-based provider of AI-SaaS solutions for the construction industry, has raised ¥41.5 million in Seed funding.
Investors
The round was led by ANOBAKA, with participation from East Ventures, Mint, and four angel investors.
ANOBAKA Inc. is a venture capital firm based in Tokyo, Japan, specializing in seed and early-stage investments in technology and internet-related businesses.
Prefab Use of Funds
The company will use the funding to expand recruitment across key roles and accelerate the development of its AI-powered construction estimation platform.
About Prefab
Led by CEO Noriaki Teramachi, Prefab focuses on automating estimating operations in the construction industry using AI. Spun out of the University of Tokyo, the company has developed AI specialized in reading blueprints to automate the quotation process. By simply uploading construction drawings, the AI automatically recognizes components and dramatically reduces manual workload. Headquartered in Tokyo, Prefab aims to revolutionize the construction industry's estimation process with AI, creating an environment where people can focus on more creative work.
Funding Details
Company: Prefab, Inc.
Raised: ¥41.5M
Round: Seed
Funding Date: September 2025
Lead Investor: ANOBAKA Inc.
Additional Investors: East Ventures, Mint
Company Website: https://corp.prefabdeli.com/
Software Category: Construction Tech / AI Blueprint & Estimation Automation
Source: https://prtimes.jp/main/html/rd/p/000000001.000168689.html