Mizuho Bank Eyes Fintech Growth with Upsider Acquisition

Mizuho Bank, Japan's top financial institution, has made plans to buy around 70 percent of the shares in Upsider Holdings Inc. for about 46 billion Yen (around USD 309.82 million). It will be acquired from current shareholders, which comprise both foreign and domestic venture capital companies. The founding members of Upsider will maintain their shareholding and, after the transaction, the firm will become a consolidated subsidiary unit of Mizuho Bank.

Upsider is a Tokyo-headquartered financial technology company renowned for having an AI-based credit model and startup-friendly, mid-sized business-friendly, and growth-stage supportive services. The company's corporate credit card and its invoice payment product, Shiharai, are used by more than 80,000 companies in Japan.

Key highlights:

• Mizuho Bank to acquire 70 percent stake in Upsider for 46 billion Yen, making it a consolidated subsidiary
• Upsider’s AI-driven credit model and fintech products serve over 80,000 businesses in Japan
• The acquisition supports Mizuho’s fintech expansion and SME-focused financing strategy

The deal represents a strategic move by Mizuho to further extend its presence in the rapidly changing fintech ecosystem and broaden offerings to growing businesses. By tapping into Upsider's sophisticated credit infrastructure and technology-based financial services, Mizuho will deliver more flexible and scalable financing solutions.

Also Read: Top 5 High-Growth Sectors to Invest in Asia Right Now

"This transaction is an extension of our overall strategy to partner with growth-oriented fintechs and nurture the next generation of high-growth firms. Upsider's technology advantage and market footprint match well with our goal to serve a larger universe of corporate clients." a senior Mizuho Bank executive said

Upsider will remain independently operating while being able to leverage Mizuho's extensive network, capital resources, and industry insights. Closing of the transaction is anticipated by September 2025, pending regulatory approvals.