Concept
Think of us as your "tech department," not an "outsourcer." A dedicated engineer who gets on the ground and accelerates your business.
Nexa Engineering is not a dev shop that builds to spec and walks away. Drawing on 15 years of "floor sense" from the factory, we embed deeply in your workflow. We think with you about "what the real problem is," and keep implementing and improving the small mechanisms that solve it by the shortest path.
Price Policy
"No opaque estimates." We make "what cost what" fully transparent. Instead of a lump-sum quote padded with risk buffers, we offer a quasi-delegation–based model grounded in actual work and technical value.
Hourly rates
Three tiers by technical difficulty (excl. tax, per hour).
- Standard
¥5,000/ hr
Automation & tooling. Low-code with n8n / Looker Studio / LINE & Slack bots.
- Advanced
¥8,000/ hr
App & cloud. Full-stack with AWS / Python / Docker / API integration.
- Expert
¥10,000/ hr
AI R&D & data science. LLMs / MCP servers / predictive models.
Monthly plans
For running continuous improvement as your in-house tech function. No per-task approval needed, so improvements move fast.
Light
¥50,000/ mo
~10 hrs / mo
Maintain & advise
1–2 regular meetings a month, chat support, small improvements and upkeep.
- Recommended
Partner
¥100,000+/ mo
~20+ hrs / mo
Transform & build
Weekly decisions, a dedicated build slot, and priority response when urgent.
* Hours are an estimate at the Standard rate. We adjust the rate when Advanced–Expert work is involved.
Spot development (Project Based)
When you have a clear, specific requirement for "just this feature."
- LINE/Slack business AI bot: from ¥50,000
- Meeting transcription & analysis AI: from ¥50,000
- Management dashboard: from ¥100,000
- MCP server development: from ¥300,000
Model Case
Track record: a real-estate sales company — A case where intensive development ran for the first three months, and after the system was in place, they moved to the Light plan to continue maintenance and improvement.
| Phase | Period | Example work | Monthly cost (approx.) |
|---|---|---|---|
| Onboarding | Month 1 | Foundation build & chatbot rollout | approx. ¥150,000 |
| Expansion | Month 2 | Sales-support AI & management dashboard | approx. ¥300,000 |
| Adoption | Month 3 | Feature expansion & deeper automation | approx. ¥200,000 |
| Operation | Month 4+ | Maintenance, minor fixes, small improvements | approx. ¥50,000 |
- A model based on actual billing. We adjust flexibly to your budget.
First, tell us about the challenge on the ground
We handle everything from small troubles to cutting-edge implementation. Even a question like "could you do this?" is welcome.