
Turn your ideainto something real.Touch it before you commit. That's how you eliminate risk.
Prototype delivered in 2–4 weeks.
At 1/2–1/10 the cost of major consulting firms,
we handle everything from design to operations.
Do Any of These Sound Familiar?
Worried About Cost
Consulting firms and development companies seem expensive, making it hard to even reach out.
Worried About the Deliverable
I don't want to end up with something that's totally different from what I had in mind.
Not Sure Where to Start
Even when I know I need to digitize or leverage AI, I have no idea where to begin.
Most Services Target Large Enterprises
For startups and sole proprietors, most services are built for big corporations and feel out of reach.
TwinsTechConsulting was built to solve exactly these problems.
An engineer with a top consulting background delivers systems at low cost, high speed, and zero risk — powered by AI-driven development.
3 Steps. Zero Risk.
Each step is an independent contract. You decide whether to stop or continue — every time.
Free Consultation
FreeWe clarify your goals via online meeting or email. We'll share a rough cost and timeline estimate. This step is completely free.
Book a Consultation →Prototype Development
Contract ①A working prototype delivered in 2–4 weeks. Touch it, validate it, then decide whether to proceed. Stopping here is always an option.
Full Development & Release
Contract ②Full development begins with a locked-in spec. No rework, no misalignment — a smooth path to release.
Why Choose Us
Three strengths. Zero risk.
1/2–1/10 the Cost
Dramatically Lower Cost
AI-driven development slashes labor costs, giving startups and sole proprietors the realistic option they've been locked out of by budget walls.
Validate First
Touch It Before You Decide
We build a working prototype first, then refine the spec by actually using it. No more "that's not what I meant" — misalignment can't happen.
End-to-End
End-to-End from Design to Operations
An infrastructure engineer-turned-consultant handles design, development, release, and maintenance. Zero coordination overhead.
What We Do

Web Apps & Business Systems
End-to-end from requirements to release. AI-driven development delivers high-quality results quickly.
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AI & Business Automation
Automate repetitive work and boost productivity with AI. We propose concrete, actionable improvements.
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Infrastructure & Cloud Setup
Design, build, and optimize by an AWS full-stack engineer. From security to cost optimization.
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System Consulting & Tech Selection
Technology selection, architecture design, and project management. Experienced engineers by your side.
Learn more →About Us

Kato Chisei
KATO CHISEI
System Consultant / Cloud Engineer
Background
End-to-end experience at a major financial SIer and a leading consulting firm — covering requirements, architecture, build, and operations for large-scale financial and government systems, with a focus on infrastructure.
Founded TwinsTechConsulting by combining hands-on enterprise expertise with AI-driven development.
Our Strengths
Optimal Architecture Design
We design cloud architectures right-sized from day one — scalability, cost, and security built in from the start.
AI-Powered Rapid Prototyping
We turn ideas into working software in 2–4 weeks. Touch it, test it, decide — before committing to full development.
Consulting × Engineering
Structured problem-solving plus real engineering execution — from strategy through to production deployment, under one roof.
FAQ
Yes, the initial hearing and consultation are completely free. Please feel free to reach out.
Yes. You can request prototype development only. After reviewing the results, you can decide whether to proceed to full development.
It depends on the scale, but roughly 2–4 weeks for a prototype and 1–3 months for full development. We'll give you a more precise estimate after the initial hearing.
Yes, we offer ongoing post-release support. This requires a separate contract, typically provided at a monthly flat rate.
Absolutely. We welcome inquiries from sole proprietors and freelancers.
We deliver something working in 2–4 weeks.
Start with a free consultation. Touch it, validate it, then lock the spec — risk-free, 3-step development.
Start with a Free Consultation →



