Tsuji・Hongou Certified Public Tax Accountants Corporation Holds Seminar Commemorating the Publication of "Hongou's Management Notebook 2026" - Diversification of Business Models in a Declining Population Society, Small Proposals for Survival - Hybrid Event (Venue & Online)

Tsuji・Hongou Certified Public Tax Accountants Corporation (Headquarters: Shinjuku-ku, Tokyo; Chairman: Keiko Kuwaki) will hold the "Hongou's Management Notebook 2026 Publication Commemorative Seminar ~ Diversification of Business Models in a Declining Population Society, Small Proposals for Survival ~" on Tuesday, June 23, 2026, at the Tokyo Midtown Yaesu Office Cafeteria.

In the upcoming environment of a shrinking market, Hongou will deeply explore keywords such as "diversification" to discuss growth strategies and the way companies should be to survive. For those who cannot attend in person, in addition to real-time participation via the internet, an archived video of the day's proceedings will be distributed from Thursday, June 25, 11:30 AM to Wednesday, July 1, 5:00 PM.

Hongou's Management Notebook 2026 Publication Commemorative Seminar ~ Diversification of Business Models in a Declining Population Society, Small Proposals for Survival ~

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Seminar Overview

Seminar Title: Hongou's Management Notebook 2026 Publication Commemorative Seminar ~ Diversification of Business Models in a Declining Population Society, Small Proposals for Survival ~

Date (Period): Tuesday, June 23, 2026, 2:00 PM - 5:00 PM

*Lecture time is approximately 180 minutes.

Format: Simultaneous Venue and Online Participation

Venue: 32nd Floor, Yaesu Central Tower, Tokyo Midtown Yaesu, 2-2-1 Yaesu, Chuo-ku, Tokyo 104-0028

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Directly connected underground from JR and Tokyo Metro Marunouchi Line "Tokyo" Station (via Yaesu Underground Mall)

3-minute walk from "Kyobashi" Station on the Tokyo Metro Ginza Line

6-minute walk from "Nihonbashi" Station on the Tokyo Metro Tozai Line, Ginza Line, and Toei Asakusa Line

Fee: 50,000 yen (tax included)

Capacity: Online: None / Venue: 20 people

Lecture Topics:

Business Models and Growth Strategies in the Era of Population Decline A Look at History in the Era of Population Decline Impact of Population Decline on Business AI Becoming Smartphone-like Various Diversification Models

Notes:

Simultaneous venue and online participation (Venue: Tsuji・Hongou Certified Public Tax Accountants Corporation, Tokyo Midtown Yaesu Office Cafeteria).

[Archived Video Viewing]

Recorded video can be viewed from Thursday, June 25, 11:30 AM to Wednesday, July 1, 5:00 PM.

[For Venue Participation]

An email with guidance for the day will be sent to those who select venue participation.

Books will be handed out at the venue on the day of the event.

[For Online Participation]

An email with instructions on how to participate will be sent to those who select online participation.

The broadcast on the day will be conducted via Zoom. An internet environment is required for viewing.

Books will be delivered by mail. Please note that depending on the application date, delivery may occur after the event.

Organizer: Tsuji・Hongou Certified Public Tax Accountants Corporation

Please apply from here

Application Deadline: Friday, June 19, 2026, 5:00 PM

Lecturer Information

Yoshihiro Hongou

Yoshihiro Hongou Chairman of Tsuji・Hongou Group / Certified Public Accountant, Tax Accountant

Graduated from the First Faculty of Law and Economics, Waseda University, and completed the Master's program at the Graduate School of Commerce, Waseda University. Registered as a Certified Public Accountant. Established Tsuji・Hongou Certified Public Tax Accountants Corporation in April 2002 and developed it into one of the largest certified public accountant corporations in Japan as its chairman. With over 40 years of experience in accounting and taxation as an accounting expert, he has interacted with business leaders, entrepreneurs, and prominent figures from various fields. He has held his current position since 2016. He has served as a lecturer at the University of Tokyo, Tokyo University of Science, and a visiting professor at the Kanagawa University Institute for Small and Medium Enterprise Management and Accounting.

Book Introduction

Hongou's Management Notebook 2026 ~ Diversification of Business Models in a Declining Population Society, Small Proposals for Survival ~

In Japan, a population equivalent to one prefecture (like Shimane Prefecture) decreases each year. This poses a significant problem for businesses. In this 16th installment of the series, themed "The First Year of the Declining Population Society," the book discusses how companies can survive and aim for growth in a shrinking market.

Publication Date: Wednesday, March 18, 2026

Format: Standard (Shiroku-ban)

Pages: 131 pages

Price: 1,760 yen (tax included) 1,600 yen (main body) + tax

Author: Yoshihiro Hongou

Illustrator: Tomomi Michibata

Hongou's Management Notebook 2026: Diversification of Business Models in a Declining Population Society, Small Proposals for Survival

Corporate Overview

Tsuji・Hongou Certified Public Tax Accountants Corporation is the largest certified public accountant corporation in Japan, with bases across the country, over 2,000 employees, and more than 20,000 client companies. While focusing on corporate consulting and individual asset tax services, they provide consulting in specialized fields such as business succession, tax for medical, public interest, and social welfare corporations, and international taxation.

Inquiries regarding the seminar

consuldiv@ht-tax.or.jp (Tsuji・Hongou Seminar)

Inquiries regarding this article

https://www.ht-tax.or.jp/contact/ Keywords: