Issue 01
You have a concept but cannot turn it into requirements
You know what you want to achieve and the business problem, but have not organized the required screens, features, data, and priorities.
Development / Commissioned Development
Turn a concept into a launch-ready system.
We listen to the project idea and business challenges, then handle requirements, design, development, testing, launch, and handover end to end. This service is for teams that want to entrust the development itself, rather than support for an in-house implementation.
Starting point / 01
Even without a finished specification, we organize the project from the concept.
Rather than simply implementing a feature list, we confirm whose workflow should change, what information the system will handle, and who will operate it after launch. We turn goals and priorities into requirements, identify the necessary scope, and develop it into something people can actually use.
Issue 02
Workflows and systems are fragmented
Information is scattered among spreadsheets, email, paper, and existing systems, causing duplicate entry and missed checks.
Issue 03
You need a safe production environment, not just a prototype
You need a development process that covers permissions, testing, data protection, launch procedures, and incident checks.
Prices are tax-inclusive estimates. External service fees, license fees, server costs, and changes after formal requirements are confirmed separately.
Scope / 02
Typical use cases and pricing guidance
Instead of defining work by size alone, we determine the development needed from the users, workflow, data involved, and scope of connections to existing systems.
01
AI Operational Improvement Starter Package
We identify workflows suited to AI and, before committing to full development, use candidate assessment and a small prototype to review benefits, risks, and the next investment decision.
- A 90-minute interview and review of the current workflow
- 3 AI candidates and a simple prototype of 1 candidate
- A cost-effectiveness estimate and concise AI usage rules
AI Operational Improvement Starter Package Approx. ¥150,000
The estimated duration is 2–3 weeks. Full implementation is estimated separately based on the results.
02
Small-Scale Automation and Operational Assistance
For routine work such as data entry, aggregation, notifications, and checks, we start with a small solution that does not disrupt the current workflow.
- Review of the current procedure and automation scope
- Implementation of an operational-assistance tool or automated process
- Operational checks and handover of usage procedures
Small-Scale Automation and Operational Assistance From ¥300,000
Estimated after confirming the target workflow and whether external-service integration is required.
03
Internal Business Tool
We develop a tool that handles internal work in one flow, including an admin interface, input forms, lists, CSV export, and permission management.
- Workflow, data, and permission design
- Interface and backend development
- Testing, launch, and handover to the operations team
Internal Business Tool From ¥500,000
Estimated according to the number of users, permission types, and volume of data.
04
Medium-Sized Web App
We develop Web apps for internal and external users with membership features, applications and approvals, external-service integrations, and more.
- User-specific journeys and functional requirements
- Development covering authentication, permissions, and external integrations
- End-to-end testing, launch, and handover of maintenance decisions
Medium-Sized Web App From ¥1,500,000
Estimated according to the number of screens, user categories, external integrations, and non-functional requirements.
05
Production AI and Business System Implementation
We organize the AI-enabled workflow and build a production system covering permissions, review procedures, auditability, and safety so the project does not end as a prototype.
- Design of the AI usage scope, decision boundaries, and evaluation criteria
- Integration development for existing data and systems
- Testing, launch, and handover of usage rules and operations
Production AI and Business System Implementation From ¥500,000
Estimated according to the presence of a PoC, the data involved, accuracy evaluation, and existing-system integrations.
06
Integrated Systems and Core-System Integration
We organize workflows spanning multiple departments and existing systems and develop a foundation for phased integration while controlling migration risk.
- Cross-department requirements and phased adoption plan
- API integration, data migration, and permission design
- Integration testing, migration, and handover to production operations
Integrated Systems and Core-System Integration From ¥2,500,000
Individually estimated according to integration targets, migration data, availability, and adoption phases.
Process / 03
From organizing the concept through handover for production use.
We share interim deliverables and decision rationale and proceed through agreements in reviewable increments.
Step 01
Concept and business-problem assessment
We ask what you want to achieve, the current workflow, users, constraints, and expected outcomes, then clarify the project's purpose.
Step 02
Agreement on requirements and approach
We organize features, data, permissions, external integrations, quality conditions, and priorities and agree on the development scope, team, and estimate.
Step 03
Design and prototyping
We design the screens, data, and system architecture and, when needed, use a prototype to verify user journeys and technical uncertainties.
Step 04
Development and testing
We implement in reviewable increments and verify features, permissions, error behavior, security, and the actual workflow.
Step 05
Launch, migration, and handover
We launch to production or migrate data and hand over the architecture, accounts, update and review procedures, and future maintenance decisions to the operations team.
Technical notes / 04
We publish the design decisions behind production launches.
Acecore Systems technical articles explain implementation decisions that also matter in commissioned development, including architecture, safety, and AI features.
Note 01
Architecture for Extending a Corporate Site with Astro + Cloudflare
An overview of how to separate the static publishing foundation, dynamic features, CMS, and review and publishing flows.
Note 02
Technical Design for Inquiry AI Chat on an Astro Site
An overview of API boundaries, answer scope, Origin checks, rate limits, and safe link rendering for AI features.
Note 03
Secure Static-Site Delivery with Cloudflare Pages
Covers operational decisions about delivery architecture, security headers, CSP, and caching.