Grand Tech
Change the workplace with technology — without stopping what works.
AI development, custom system development, SaaS, and workplace-improvement training, end to end. Rather than replacing your core systems overnight, we extend them with add-on AI and sales systems for efficient, resilient operations.
Building the systems that supportJapan's workplaces.
Custom system development
Contract development of web and business systems — from requirements through design, development, and operations.
AI & LLM implementation
Embedding generative AI and LLMs into your workflow to automate research, drafting, and decisions. Autonomous AI agents too.
In-house products & SaaS
Industry-specific systems and SaaS developed in-house — ready to use, at low cost.
Process improvement & DX training
We organize workflows and support digital adoption hands-on — building systems that actually get used.
Extend with add-ons. Change without stopping.
Add-on extension
We extend your existing core systems with add-on AI and sales systems — without stopping them.
Phased development
From ¥1.5M. Start small and grow step by step — a low-risk way forward.
Workplace-first
We build from real problems on the ground. We don't build systems nobody uses.
Industry-specific systems, ready now.
Start small, grow with confidence.
Assessment
We organize your challenges and current systems, and define requirements.
Proposal & estimate
We present a phased plan with cost estimates.
Phased development
Build and release small, adjusting with feedback from the field.
Operations & improvement
Continuous improvement and extension after launch.
Let's solve your workplace problems with technology.
Custom development or AI adoption — start with a free consultation. Phased development lets you start small.