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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

  1. STEP 1

    Requirements

    Visualize the workflow and set priorities.

  2. STEP 2

    Design and prototype

    Validate UI and data design early.

  3. STEP 3

    Build and test

    Short cycles with working software to review.

  4. 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.

See all questions

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