About
Company
Founded in 2013. A small, high-quality IT company combining full-stack development, AI, and accounting expertise.
Company Information
- Company Name
- 株式会社SBK
- English Name
- SBK Co., Ltd.
- Established
- 2013年（平成25年）4月8日
- Representative Director
- 加藤 勇
- Address
- 〒590-0906 大阪府堺市堺区三宝町1丁10-1-105
- Business
- AI-assisted system development & IT consulting
- Contact
- sbk.system.common@gmail.com
- Business Hours
- Weekdays 10:00–18:00 (inquiries accepted by email)
Representative Profile
Representative Director 加藤 勇
After graduating from Ohara Bookkeeping Vocational School, he moved through an accounting firm and an in-house SE role at a construction company before entering software development. Starting from VB/VBA, he expanded his skills across PHP, Java, Node.js, Python, Flutter, and ReactNative, and now works as a full-stack engineer covering web, mobile, and AI systems. He founded SBK Co., Ltd. in 2013 and focuses on AI-driven development and IT consulting.
15+ Years of System Development Experience
Starting with business system development in VB/VBA, including manufacturing BOM system development for a major manufacturer, he has worked on multiple large-scale projects while expanding his technology coverage to PHP, Java, Node.js, Python, Flutter, and ReactNative. A full-stack engineer who has experienced every phase from requirements definition to operational maintenance.
Consolidated Accounting System for a Listed Corporate Group
He has a track record of contributing to the development of a large-scale consolidated accounting system covering 100+ companies, including overseas subsidiaries. (Company name not disclosed)
Accounting & Finance Expertise
He has passed the bookkeeping theory section of the Japanese CPA exam and has hands-on experience at an accounting firm. An engineer who deeply understands both IT and accounting.
AI System Development Track Record (2025)
Developed an automated email classification system leveraging AWS Bedrock. Combined with S3 and Athena-based data management, the system achieves AI-powered email sorting and management. Also actively uses AI coding assistants to improve development efficiency.
Technology Stack
Frontend
- Next.js
- React
- Vue.js
- Flutter
- ReactNative
Backend
- PHP (Laravel / CakePHP)
- Node.js
- Python
- Java (Spring Boot)
Database
- MySQL
- PostgreSQL
- Oracle
- SQL Server
Infrastructure & Other
- AWS (S3 / Athena / Bedrock)
- Docker
- Nginx / Apache
Contact
Let's Talk.
No matter the scale, feel free to reach out. We'll listen to your needs and propose the best solution.