Our Website Has Been Renewed — Discover the Essence of Concertive Management

We’ve Redesigned Our Website to Reflect the Essence of Concertive Management

We are pleased to announce the complete renewal of our official website.

This redesign was undertaken with the aim of clearly conveying the essence of Concertive Management—our unique business philosophy. At its core lies the belief that the true starting point of any business strategy or execution is the inner alignment of the business leader.

When the individual is centered, the organization’s core naturally stabilizes. Vision and values deepen, and a distinct brand identity begins to emerge organically. By stepping away from conventional “competition” and onto the stage of what we call concertive management—where harmony replaces rivalry—leaders can foster a more sustainable, resonant form of management rooted in empathy with both employees and society.

The concertive concept refers to a business approach inspired by musical harmony—where each voice, while distinct, contributes to a greater, unified expression.

This philosophy is the culmination of over 40 years of business experience and personal learning, refined and articulated over the past five years.

On our renewed website in Japanese, you’ll find a more intuitive structure to explore the background and principles of the concertive concept, detailed service offerings, and step-by-step guidance.

For English speakers, we invite you to visit the following page, which offers an introduction to the concept of Concertive Management in English:
👉 Introduction to Concertive Management (in English)

We hope this will provide a meaningful starting point for understanding how harmony—not competition—can become the foundation of sustainable and authentic leadership.

If you’re interested in discovering a new horizon in management, we warmly invite you to explore our sites.

To connect or learn more, you’re welcome to reach out via LinkedIn:
👉 Tatsuya Oishi | LinkedIn