Service

サービス

Preferred leverages its accumulated technology and experience with an end-to-end service delivery model to support businesses across every industry.

150

Clients

300+

Projects

4.8

Satisfaction

All Services

Up to 75% OFF with subsidies

AI-Driven Development Training

AI-Driven Development / FDE Training

Practical training programs for AI-driven development and FDE adoption. Up to 75% OFF with workforce development subsidies.

AI-Driven Dev TrainingFDE Adoption SupportDX Talent DevelopmentSubsidy Support
Up to 75% OFF with subsidies

e-Learning

e-Learning

Online training for AI, generative AI, digital marketing, and DX. Learn anytime, anywhere.

AI & GenAI TrainingDigital MarketingDX FundamentalsProgress Tracking

ISMS Support

ISMS Support

Support for ISMS certification, operational framework setup, and security policy development.

ISMS CertificationInternal Audit SupportSecurity PolicyOperational Setup

System Development

System Development

Building systems optimized for your business needs, including enterprise systems, web apps, and API development.

Enterprise SystemsWeb ApplicationsAPI DevelopmentMobile App Development

Business Assessment

Business Assessment

Rapid assessment covering current workflow visualization, issue diagnosis, and improvement proposals.

Current State DiagnosisIssue VisualizationImprovement ProposalsPriority Planning

Generative AI

Generative AI Implementation

Implementation support and customization for integrating generative AI like ChatGPT and Claude into your workflows.

AI ConsultingRAG System DevelopmentAI Chatbot DevelopmentWorkflow Automation

Web Development

Web Development

Building the right website for your goals—corporate sites, landing pages, and e-commerce.

Corporate SitesLanding PagesE-CommerceCMS Sites
microCMS Official PartnerShopify Partner

As official partners of microCMS, kuroco, and Shopify, we recommend the best CMS and e-commerce solutions.

Marketing

Marketing Support

Comprehensive digital marketing support including ad management, SEO, and analytics.

Ad ManagementSEOSocial Media MarketingAnalytics

DX Consulting

DX Consulting

End-to-end support for your digital transformation, from strategy to execution.

DX StrategyProcess ImprovementTool ImplementationIT Talent Development

Finance

Finance (Investment)

Pursuing advanced financial investment based on scientific thinking to manage uncertainty.

Trading Strategy構築Asset AllocationPortfolio最適化Automated Trading Bot

Why Choose Us

01

Practical Knowledge from Real Business

We run our own cafe and real estate businesses, giving us real-world insight for practical solutions.

02

End-to-End from Requirements to Operations

From planning through design, development, and maintenance—all in one team. Minimizing communication loss.

03

ISMS Certified

We hold ISMS certification, protecting your data under strict international standards.

Development Process

01

Hearing

Thorough hearing of challenges and requirements

02

Requirements & Design

Organize functional requirements and design systems

03

Development

Agile development with phased implementation

04

Testing & QA

Various testing to ensure quality

05

Release & Operations

Production deployment and ongoing operations

Our Own Businesses

We operate across IT, F&B, and real estate, leveraging insights from each field to deliver practical and effective solutions.

Technologies

Frontend

ReactNext.jsTypeScriptVue.js

Backend

Node.jsPythonGoPHP

Infrastructure

AWSGCPVercelDocker

Database

PostgreSQLMySQLMongoDBFirebase

AI/ML

OpenAI APIClaude APILangChainRAG

Let's build something great together.

Whether it's a quick question or a big idea, we're here to help. Free consultation, no strings attached.

Online meetings available / Response within 1 business day