Check Inn Raises ¥200M in Series A Funding

Check Inn, a Tokyo, Japan-based hospitality technology company, has raised ¥200 million in a Series A round.

The round was led by Theta Times Ventures, with participation from Norinchukin Capital Co., Ltd, bringing Check Inn’s total funding to approximately 350 million yen.

Theta Times Ventures is a Japan-based independent venture capital firm focused on backing seed and early-stage startups that aim to drive long-term industrial and societal transformation. Founded in 2025, Theta Times Ventures primarily invests in sectors such as AI, SaaS, deep tech, healthcare, cybersecurity, logistics, energy, consumer platforms, and industrial technology, with a particular interest in startups connecting technology with Japan’s large “real economy” industries.

The company will use the funding to strengthen product development, expand its business operations, and advance AI-powered operational automation solutions for the hospitality industry.

Led by CEO Kentaro Tanaka, Check Inn is a hospitality technology company that provides an all-in-one operational platform for hotels, inns, and accommodation facilities. Its system integrates a site controller, property management system (PMS), and proprietary booking engine into a unified platform designed to streamline reservations, inventory management, room allocation, customer management, and revenue operations. Headquartered in Tokyo, Japan, Check Inn currently focuses on small and medium-sized accommodation types, including boutique lifestyle hotels, ryokans (traditional Japanese inns), luxury villas, guesthouses, and vacation rentals.

Funding Details

Company: Check Inn, Inc.

Raised: $2.4M

Round: Series A

Funding Date: May 2026

Lead Investor: Theta Times Ventures

Additional Investors: Norinchukin Capital Co., Ltd.

Company Website: https://checkinn.jp/

Software Category: Hospitality Management / AI Operations Platform