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First CH — Web & Software Studio (Japan)

Websites and software for businesses that want results.

First CH is a Japan-based studio building corporate websites, landing pages, and custom systems. We don't stop at launch — we stay involved with analytics and improvements so the work keeps paying off.

Selected work → Get in touch

日本語をご希望の方は 日本語トップページ へ。

What we do

Service

01

Web Production

Corporate sites and landing pages, built with WordPress, React, or Next.js. Designed around your goal and audience — not a template.

02

System & App Development

Business systems, AI-assisted tools, and API integrations. From an outcome-based coupon-measurement bridge to full custom builds.

03

Maintenance & Growth

After launch, we handle your requests for small edits and send a monthly analytics report. Server management is a separate annual plan.

Proof

Selected Work

Medical-legal matching platform — WordPress rebuild WordPress RebuildMedical-Legal Matching Platform — 43 days from contract to launch AI health-assessment tool with outcome-based pricing Outcome-Based PricingAI Health-Assessment Tool — paid per confirmed booking Precision manufacturing company website Brand & IdentityPrecision Manufacturing — a dark industrial identity, built in React

Built for ourselves

Products

First CH Tools screenshot First CH ToolsFree browser utilities for everyday production work. Everything runs locally — nothing is uploaded. First CH Designs screenshot First CH DesignsA gallery of production-grade UI sections — every specimen is real, working code. First CH Apps screenshot First CH AppsSmall web apps we design, build, and run ourselves. First CH Games screenshot First CH GamesBrowser games that start the moment you open them — no install, no sign-up.

Have a project in mind?

Tell us what you're building. We reply in English and usually within one business day.

Get in touch →