# Sui-sei.Co.ltd

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/sui-sei-co-ltd

- Headquarters: Tokyo, Japan
- Website: https://sui-sei.tokyo
- Total disclosed funding: $0.3M
- Latest round: Seed (Nov 21, 2025)
- Investors on record: 1

## About

Sui-sei.Co.ltd is a Japan-based startup that specializes in developing innovative technology solutions tailored to various industries, enhancing operational efficiency and user engagement through advanced software applications and services.Founded in 2024 and headquartered in Tokyo, Japan, Sui-sei.Co.ltd focuses on creating technology solutions that address industry-specific challenges. The company has completed 1 deal, with its most recent funding round occurring on November 21, 2025, during which it raised JPY 45 million in Seed funding from QR Investment. The firm has not undergone any notable pivots or mergers since its inception.Sui-sei.Co.ltd's primary products include advanced software applications and tailored services designed to enhance operational efficiency across sectors such as healthcare, finance, and consumer electronics. These solutions target small to mid-sized enterprises as well as large corporations in North America and Europe, emphasizing user-centric design to meet market demands.The firm's revenue model is based on subscription-based services and direct sales of its flagship products, allowing clients to engage in annual subscriptions for continuous access to software updates and support. Additionally, Sui-sei.Co.ltd facilitates B2B transactions to enhance its service offerings, generating revenue through sales of premium features and personalized services.In November 2025, Sui-sei.Co.ltd raised JPY 45 million in Seed funding from QR Investment and HED Co., Ltd., which will be utilized to enhance its service development framework and broaden its customer base. The company plans to develop and launch new products that will incorporate AI to advance the complexity of its production process. Sui-sei.Co.ltd aims to expand into new markets within Asia and Europe by the end of 2026.

## Funding rounds

- Seed, Nov 21, 2025, $0.3M — QR Investment

## Investors

- QR Investment (https://capitalatlas.ai/funds/qr-investment) — Seed