About Plusing
About Us
Philosophy
Our Philosophy
Mission
At Plusing Inc., our mission is to realize a society where everyone in the world can start from an equal starting line, creating a world where opportunities are not taken away due to poverty or national issues.
Vision
- Plus the doing, worldwide.
- Provide educational opportunities to people anywhere in the world, building a more equitable society by bridging the gap in knowledge and technology.
- Create innovative technologies and services that enrich people's lives and spread the value of "action" throughout the world.
Values
- People's Potential: Provide equal opportunities to everyone regardless of their circumstances, and maximize their potential.
- Creativity & Innovation: Constantly pursue new ideas and technologies, responding to change with flexible thinking unconstrained by conventional frameworks.
- Collaboration: Effectively collaborate with people inside and outside the company, working together to drive projects that make an impact on the world.
- Responsibility & Integrity: Take responsibility for our actions and decisions, and always maintain honest and transparent communication to build trust with customers and partner companies.
Message
Message from CEO
"We want to do something with AI — we just don't know where to start." Conversations with our clients often begin with exactly that sentence.
Plusing is a company that answers that question by building. We use Claude-centered, AI-driven development for everything we make, verify the latest research with our own hands, and put only what has been proven into our clients' products. We don't sell technology — we understand the problem deeply and build the right solution together.
AI is a tool whose results swing widely with how it is used. That is why we believe the companies that establish a managed way of using it will define the quality of development from here on.
Making society better through research and engineering — aiming to be a company where clients, partners, and employees can all be happy, we keep building, today as every day.
Representative Director, CEO Tatsuru Okada
Overview
Company Overview
- Company Name
- Plusing, Inc.
- Established
- June 27, 2022
- Representative
- Representative Director, CEO Tatsuru Okada
- Location
- 〒150-0043 1-10-8 Dogenzaka, Shibuya-ku, Tokyo, Shibuya Dogenzaka Tokyu Building 2F-C
- Business
- AI-driven development (design, implementation, and evaluation centered on Claude), AI adoption support, web application development, and research & development
Company History
History
- June 2022
Plusing, Inc. established
- December 2022
AI development business launched
- 2025
Shifted to an AI-driven development model centered on Claude. Established spec-driven development (SDD) and automated evaluation
- Feb 2026
Launched GOBA AI Labs, publishing research on large language models and agents
- Jun 2026
Built and open-sourced Banto, a harness for running AI agents
- Jul 2026
Relocated headquarters to Shibuya, Tokyo
Get Started
Let's Start Your Project
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Start with a free consultation — tell us where you are today, and we'll come back with a concrete way forward.