Built from scratch around your operations.
Web & Business System Development
End-to-end development of web applications and business systems (accounting, reservations, CRM, and more) with React / Next.js / Laravel / Python, from requirements through maintenance.
Overview
When packaged software doesn't fit, we build the workflow as a custom web system. TypeScript / React / Next.js on the front end and Laravel / Python / Java / Node.js on the back end, chosen per requirement.
We have shipped in accounting, finance, construction, education, and AI startups, and we take over, refactor, and modernize systems built by others — starting with a candid assessment of code and infrastructure.
Adding generative-AI features (document generation, search, classification) to existing systems is a growing part of our work. Designing AI, cloud, and application together is our strength.
What we offer
Web application development
Fast, usable web apps centered on Next.js / React.
Business system development
Accounting, reservations, CRM, workflow — optimized for your operation.
Takeover and modernization
Legacy improvement, framework upgrades, cloud migration.
Maintenance and operations
Ongoing support from incident response to feature work.
How it works
- STEP 1
Requirements
Visualize the workflow and set priorities.
- STEP 2
Design and prototype
Validate UI and data design early.
- STEP 3
Build and test
Short cycles with working software to review.
- STEP 4
Release and maintain
Keep improving after launch.
FAQ
How long does development take?
Roughly 1–2 months for a small web app and 3–6 months for a business system. We commit to a schedule after requirements are defined.
Talk to us about Web & Business System Development
AI agents, cloud, or software — reach out by form or email. We work remotely with clients across Japan.
Initial consultation and quotes are free
Hamamatsucho Diamond Bldg. 2F, 2-2-15 Hamamatsucho, Minato-ku, Tokyo 105-0013, Japan