# shizai.inc

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/shizai-inc

- Industry: Packaging
- Headquarters: Tokyo, Japan
- Website: www.shiza1.com
- Total disclosed funding: $12M
- Latest round: Series B (Jun 30, 2025)
- Investors on record: 4

## About

Shizai.inc is a Tokyo-based company specializing in optimizing material specifications and costs, primarily offering tailored packaging solutions to manufacturers, logistics firms, and e-commerce businesses.Founded in 2020 in Tokyo, Japan, Shizai.inc focuses on providing efficient packaging solutions through a network of manufacturers. The company has completed 4 deals to date, with its latest funding round, Series B, raising JPY 420 million in February 2025 from Japan Post Capital and Monoful Venture Partners. The founder has a background in creating business strategies that enhance operational efficiency.Shizai specializes in optimizing the cost and specifications of various materials, focusing on packaging solutions for a diverse clientele that includes manufacturers, logistics warehouses, and e-commerce businesses. The company offers an extensive range of products such as outer cardboard boxes, individual packaging, and various types of packing materials like bags, cards, wrapping paper, and paper tubes. Their core service includes selecting optimal manufacturing facilities from a nationwide network of hundreds of primary production factories, enabling an average cost reduction of 20% while maintaining quality. Shizai’s products cater to e-commerce and direct-to-consumer sectors and larger industrial clients across Japan and other regions interested in sustainable packaging solutions.Shizai operates a B2B business model that involves partnerships with manufacturers and retailers, including direct sales to clients. The company provides customized packaging solutions with production starting from a minimum order of 1,000 units. The revenue model is based on service agreements for material procurement and potentially recurring contracts for ongoing supply needs. Shizai's proprietary order management tool streamlines procurement and reduces management costs, enhancing purchasing efficiency for clients. Specific pricing information is not disclosed, allowing for tailored solutions to meet unique packaging requirements.In February 2025, Shizai.inc raised JPY 420 million in Series B funding to expand its software offerings, enhance its packaging materials business, and strengthen strategic partnerships in logistics. The company plans to introduce new products designed for emerging market needs and expand into new geographic regions, potentially targeting additional Asian markets by late 2025.

## Funding rounds

- Series B, Jun 30, 2025, $4.3M — Japan Post Capital, Monoful Venture Partners
- Series B, Feb 25, 2025, $2.8M — Japan Post Capital, Monoful Venture Partners
- Series A, Jun 8, 2022, $3.7M — Global Brain, ANRI
- Series A, Apr 5, 2021, $0.9M — Global Brain, ANRI

## Investors

- Global Brain (https://capitalatlas.ai/funds/global-brain) — Series A
- ANRI (https://capitalatlas.ai/funds/anri) — Series A
- Japan Post Capital (https://capitalatlas.ai/funds/japan-post-capital) — Series B
- Monoful Venture Partners (https://capitalatlas.ai/funds/monoful-venture-partners) — Series B