EY Japan Takes the Lead in 2025 IPO Audit Performance

EY ShinNihon LLC, based in Chiyoda-ku, Tokyo, has proudly announced that it has ranked first in the number of IPO audits completed for the year 2025. With a total of 15 companies undergoing IPO audits this year, EY Japan not only leads the current rankings but also maintains its position at the top over a five-year cumulative total. In particular, during 2025, EY Japan played a significant role in providing audit services for 8 companies that went public with a market capitalization exceeding 10 billion yen. This achievement underscores EY’s commitment to supporting a diverse range of enterprises, from large global corporations to burgeoning startups, as they navigate their initial public offerings.

A Strong Track Record

The latest data, which was gathered and compiled by EY, indicates a robust performance in the IPO landscape from 2021 through 2025, further solidifying its reputation as a leader. This accomplishment excludes companies listed on the TOKYO PRO Market, and was based on the approval data from various stock exchanges as of November 28, 2025. EY’s strategic vision is rooted in its purpose of “Building a better working world,” and is manifested in its focus on long-term value leads for the economic growth of both Japan and the world.

Supporting Growth Across Industries

With increasing investment in strategic growth sectors, including AI, semiconductor industries, space, defense, and life sciences, EY Japan is positioned to leverage these opportunities. The firm’s efforts to bolster the startup ecosystem place it in a prime position to assist companies ready to seize these expansive market opportunities and accelerate their global outreach.

Masato Saito, Director of EY Japan’s Corporate Growth Support Center, emphasizes that:

“In conjunction with government initiatives aimed at promoting strategic growth investment areas, investments guided by both public and private sectors are accelerating. This political momentum is yielding new market opportunities and bolstering global expansion for innovative startups.”

EY Japan's commitment to enhancing its support services from both auditing and advisory perspectives is a testament to its dedication to fostering sustainable growth among startups and enhancing the reliability of Japan's capital markets.

Comprehensive IPO Consulting Services

As a part of its mission to support aspiring public companies, EY Japan established the Corporate Growth Support Center, dedicated to assisting those seeking an IPO or aspiring companies targeting new growth avenues. This center offers tailored solutions that align with each company’s growth trajectory. EY Japan hosts several initiatives, including the EY Japan Corporate Growth Summit, EY Startup Academy, and EY Startup Conference, aimed at fostering innovation and collaboration in growth sectors.

Through awards such as EY Entrepreneur of The Year™ and EY Innovative Startup recognitions, the firm honors numerous entrepreneurs while providing robust support to women entrepreneurs through initiatives like EY Entrepreneurial Winning Women™.

Main Services Offered

- New public offering (IPO) strategy formulation
- Short reviews
- IPO support
- Advisory for affiliate company restructuring
- Recommendations for building internal management systems
- Advice for improving management control systems
- Guidance on documentation required for listings
- Support for information disclosures post-listing
- Accounting audits for public offerings
- Cross-border listing assistance
- Funding procurement support

For more information on EY Japan’s IPO services, visit the official page: IPO and learn about their startup support via Startups.

About EY

EY is part of a global network called Ernst & Young Global Limited, which comprises independent member firms that operate under local legal frameworks. EY focuses on creating new values for clients, members, society, and the planet while establishing trust in capital markets and working towards building a better society. Through data, AI, and advanced technologies, EY’s teams enable clients to navigate future challenges confidently and develop actionable solutions for pressing issues today and tomorrow.

With expertise spanning assurance, consulting, tax, strategy, and transaction services, EY operates across over 150 countries and regions, underscored by accumulated industry insights and a diverse network of ecosystem partners.

All in to shape the future with confidence.