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WEBSITE & APP DEVELOPMENT

We build your
website or app.

From idea to live site in 2 weeks. ¥49,800/month — no setup fees, no surprises.

Get a quotefrom ¥49,800/month · zero setup fee
32Projects delivered
2 wksAvg launch
¥0Setup fee
WebsitesMobile appsBusiness systemsAll-inclusive
INFRASTRUCTURE

Systems that scale with you.

Cloud-native architecture. Production-grade performance.

WHAT WE BUILD

What you can have built

Pick what fits your business. Everything's included in the monthly ¥49,800.

SOFTWARE

Web Apps & Tools

Subscription apps, internal dashboards, customer portals.

2.4K
Users
$18K
MRR
98.2%
Uptime
MOBILE

iPhone & Android Apps

Native apps your customers download from the App Store and Google Play.

STORE

Online Stores

Sell online. Payments, inventory, shipping — all included.

INTERNAL

Business Systems

Replace spreadsheets with a real system. Inventory, finance, HR.

IDStatusValue
KGA-001Active¥120K
KGA-002Pending¥88K
KGA-003Active¥214K
KGA-004Done¥55K
OUR PROCESS

How we deliver.

Four stages. Maximum efficiency.

Discovery

We map your business, objectives, and success metrics in a structured session.

TECHNICAL BRIEF

Architecture

We design the tech stack, database, APIs, and required integrations.

SYSTEM DIAGRAM

Development

Weekly sprints with code review, testing, and continuous deployment.

STAGING ENVIRONMENT

Launch

Production deploy with monitoring, SLA, and dedicated support.

SYSTEM IN PRODUCTION
LIVE PLAYGROUND

See before you hire.

Interact with the types of interfaces we deliver.

INTERFACE PREVIEW v2.4
Receita
R$1.2M
+12%
Usuários
4.382
+8%
Satisfação
94%
+2%
Weekly Activity
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Revenue Trend
Mobile UX

Perfect experience at your fingertips

A signup flow for a bike-sharing app. iOS-native quality UX, delivered on the web.

9:41
Welcome

CycleGo

Find and unlock bikes near you instantly.

SOLUTION MAP

What we build.

Explore the product categories we deliver. Click any node.

Tech stack

Best tools. Best work.

We combine industry-standard technologies to build scalable, maintainable systems that grow with you.

Next.js
React
TypeScript
Tailwind
Prisma
PostgreSQL
Redis
Node.js
Docker
GitHub
Cloudflare
Vercel
Internal benchmarks

Numbers that speak

Results measured across our internal pilot projects. All figures from controlled internal environments.

0.0%

Uptime achieved

3-month avg in prod-equivalent env

0

Lighthouse score avg

Performance / Accessibility / SEO / Best Practices

0.0×

Avg page speed gain

Before/after refactoring comparison

* All data from internal projects (社内検証). Not from paid client deployments.

PRICING

The math is simple.

Compare the costs and see why ¥49,800 is the smartest decision.

OptionMonthly CostWhat you get
Senior in-house engineer¥600K+1 person, no management included, benefits, PTO...
Traditional agency¥300K+Shared team, slow, expensive per hour
vs
KGA IT¥49,800/monthFull team: eng, design, devops, PM + SLA + 24h support
Monthly Plan
¥49,800/month
Cancel anytime
A team that handles everything
Design included
Hosting & launch handled
One person, always the same
Code is 100% yours
Weekly check-in calls
Up 24/7 — we keep it running
Fast support when you need it
ONE-TIME PAYMENT

Prefer to pay once?

We offer a one-time payment option with no monthly fees. Contact us for a custom quote.

Talk to a specialist
NEXT STEP

Ready to start?

A complete engineering team for ¥49,800/month. No surprises, no overhead.

¥49,800/month
Get started
No lock-in contract
Setup included
Dedicated engineer from day 1