# Mizuho Private Banking: Japan's low-profile wealth service

> Mizuho Private Banking has no public entry threshold; UHNW from ¥3 billion per household, Lombard Odier alliance since 2023, DICJ deposit cover up to ¥10 million.

Author: Adam Ihsan — Venture Partner (https://wiki.private.law/en/authors/adam)
Last modified: 2026-10-20T11:00:00.000Z
Canonical: https://wiki.private.law/en/mizuho-private
Publisher: wiki.private.law (https://wiki.private.law)
Version: 25d920c90e6bed6ef1703d64ee5f777957a75bbf8300c679c5a6c033a63ced64
Cite as: Mizuho Private Banking: Japan's low-profile wealth service. wiki.private.law. https://wiki.private.law/en/mizuho-private. Version 25d920c90e6bed6ef1703d64ee5f777957a75bbf8300c679c5a6c033a63ced64.
Topics: banking
Jurisdictions: japan, global
Functional tags: private-banking
Product tags: bank, wealth-planning, investment, trust
Semantic tags: private-banking, bank, wealth-planning, investment, trust

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## Concept

Private banking at Mizuho sits inside the Wealth Advisory Division of Mizuho Bank — a practice within one of Japan's largest financial groups rather than a standalone private bank. The dedicated subsidiary Mizuho Private Wealth Management (MHPW) was dissolved on 31.12.2021 and absorbed into the bank. The service model is MIZUHO Connected Service, launched in July 2021: an invitation-based membership structure for wealthy clients. Group scale: ¥283.3 trillion in total assets and a record net profit of ¥885.4 billion in FY2024.

## History and evolution

- **2002–2003** — Mizuho is formed from Dai-Ichi Kangyo Bank, Fuji Bank and the Industrial Bank of Japan.
- **2000s** — MHPW operates as the dedicated private-banking subsidiary.
- **July 2021** — MIZUHO Connected Service launches as the membership model for affluent clients.
- **31.12.2021** — MHPW is dissolved and absorbed into Mizuho Bank.
- **February 2023** — alliance with Lombard Odier announced: global custody and advisory capabilities for Japanese clients.
- **October 2025** — State Street takes over Mizuho's global custody business outside Japan.
- **FY2024** — record group net profit of ¥885.4 billion.
> 🍓 Deposit protection: the Deposit Insurance Corporation of Japan (DICJ) covers up to ¥10 million per depositor. No lombard loan product is published by the bank.

## Regulation

Primary supervisor is Japan's Financial Services Agency (FSA); the Luxembourg entity is supervised by the CSSF. In 2021 the FSA issued business improvement orders over a series of IT system failures; the orders were lifted on 19.01.2024. In November 2023 the CSSF fined Mizuho Trust & Banking (Luxembourg) €444,400.

## Source of wealth

Typical wealth origins among clients: multi-generational business families, senior corporate executives, landowners and real-estate holders, and inheritance — a major theme in ageing Japan. More on documenting [source of funds](https://wiki.private.law/source-of-funds).

> 💡 There is no officially published entry threshold: the service works by invitation. The bank defines UHNW as households with over ¥3 billion in financial assets.

## Who it serves

- UHNW clients: over ¥3 billion in financial assets per household — the bank's official definition.
- Around 600 such families were served as of March 2022 — official figure.
- The legacy MHPW threshold was reported by the press at roughly ¥500 million — reported, not official.
- Access is by invitation within the membership model.
## Services

- Investment advisory and global custody through the Lombard Odier alliance (since February 2023) — a partnership, not a group entity.
- Trust services, inheritance and succession planning via Mizuho Trust & Banking.
- Holistic servicing of wealthy families inside the Wealth Advisory Division.
- No public [lombard lending](https://wiki.private.law/lombard-lending) product is published.
## Entities

| Jurisdiction | Legal entity | Form and supervision | Role |
| --- | --- | --- | --- |
| Japan | Mizuho Bank, Ltd. (Wealth Advisory Division) | Commercial bank, FSA supervision | Core private-banking unit, MIZUHO Connected Service |
| Japan | Mizuho Trust & Banking Co., Ltd. | Trust bank, FSA supervision | Trusts, inheritance, real estate |
| Luxembourg | Mizuho Trust & Banking (Luxembourg) S.A. | Bank, CSSF supervision | European booking |

## Strengths

- Group scale: ¥283.3 trillion in total assets.
- Record FY2024 profitability — ¥885.4 billion net profit.
- The Lombard Odier alliance brings Swiss-grade global custody and advisory expertise.
- Commercial bank and trust bank integrated within one group.
## Where it falls short

- No public entry threshold — invitation only, with no transparency for outside prospects.
- No expat private banking offering.
- The ex-Japan global custody business moved to State Street (October 2025), reducing the group's own global infrastructure.
- No published lombard lending product.
Optimal for wealthy Japanese families with capital of ¥3 billion or more who value discretion, succession planning and access to global custody through a proven partnership, and who are comfortable working by invitation without published terms.

## Q/A

### What is the entry threshold for Mizuho Private Banking?

No official threshold is published: the service is invitation-based. UHNW is defined as over ¥3 billion per household; the legacy MHPW threshold was reported by the press at roughly ¥500 million (unofficial).

### How are deposits protected?

Deposits are insured by the DICJ up to ¥10 million per depositor.

### What happened to Mizuho Private Wealth Management?

The subsidiary was dissolved on 31.12.2021 and its functions absorbed into Mizuho Bank's Wealth Advisory Division.

### Is international custody available?

Yes, via the Lombard Odier alliance (February 2023). Separately, Mizuho's global custody business outside Japan moved to State Street in October 2025.

### Have there been regulatory actions?

The FSA issued business improvement orders in 2021 over IT system failures — lifted on 19.01.2024. In November 2023 the CSSF fined the Luxembourg entity €444,400.

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