Company Profile

FeelFlow Inc. is a Tokyo-based AI solutions company and the pioneer of AI Spec-Driven Development. Our mission is to lower the barriers to AI adoption and build a society where people and AI thrive together.

Company name
FeelFlow Inc. (株式会社フィールフロウ)
Established
April 1, 2025
Representative
Jun Hattori, Representative Director
Capital
JPY 10,000,000
Business
AI technology development, AI consulting, FeelFlow AI products (SaaS) development & operation, and contracted AI development
Parent company
SDW Holdings, Inc.
Headquarters
Shibuya Mark City West 22F, 1-12-1 Dogenzaka, Shibuya-ku, Tokyo 150-0043, Japan
Corporate number
3011001168888

History

Apr 1, 2025

FeelFlow Inc. founded

Started business centered on AI Spec-Driven Development and opened the head office in Shibuya, Tokyo.

Jul 28, 2025

AI Spec-Driven Development (AISDD) published(opens in a new tab)

Released the AISDD methodology documentation on GitHub, presenting a prototype of the AI-era development process.

Apr 19, 2026

Launched feelflow.net

Opened this site as the home of our products and services.

Apr 21, 2026

Launched AI Agent Hub

Released a free library of AI agents and prompts.