Mizuho Expands with Augusta & Co Acquisition
Deal News | Aug 07, 2025 | Travers Smith

Mizuho Financial Group has acquired Augusta & Co, a leading independent specialist financial advisory firm in the Renewable Energy and Energy Transition sectors, with the legal guidance of Travers Smith. This strategic acquisition aims to enhance Mizuho's M&A advisory platform, particularly in the energy transition sector, by leveraging Augusta & Co's expertise. The deal is still pending regulatory approval and closure is anticipated by October 2025. Travers Smith's advisory team for this transaction included a broad range of specialists in corporate law, financial services, tax, employment, and technology. Mizuho also received advisory support from Nishimura & Asahi for this acquisition.
Sectors
- Financial Services
- Renewable Energy
- Legal Services
Geography
- United Kingdom – Travers Smith is a UK-based law firm advising on the transaction.
- Japan – Mizuho Financial Group, the acquiring company, is based in Japan.
Industry
- Financial Services – Augusta & Co is a financial advisory firm, and Mizuho Financial Group is acquiring its expertise in the renewable energy sector.
- Renewable Energy – Augusta & Co specializes in advisory services for the Renewable Energy and Energy Transition sectors.
- Legal Services – Travers Smith provided legal advisory services for the transaction.
Financials
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| Mizuho Financial Group | Acquirer | Company | A major Japanese financial services group acquiring Augusta & Co. |
| Augusta & Co | Target Company | Company | A financial advisory firm specializing in Renewable Energy and Energy Transition. |
| Travers Smith | Legal Advisor | Company | A UK-based law firm advising Mizuho on the acquisition. |
| Nishimura & Asahi | Legal Advisor | Company | A Japanese law firm advising Mizuho on the acquisition. |