NTT DOCOMO Financial Group (NDFG)
On this page
- Wiki route
- TL;DR
- 1. Company overview
- Establishment scheme (on a public-document basis)
- Parent-company chain
- Major subsidiaries & planned holdings (on a public-announcement basis)
- Key timeline (on a public-announcement basis)
- 2. Business segment map
- Positioning as the “4 th pole” of telco-affiliated FGs
- Aim of the financial-services integration (the gist of the public announcement)
- Partnership / acquisition strategy
- B2C branding
- 4. Regulation & policy
- Related
- Sources
Wiki route
This entry sits under megabanks INDEX. Read it against Rakuten Insurance Holdings for peer / contrast context and banking index for the broader system / regulatory boundary.
TL;DR
The financial-business supervisory intermediate holding company “NTT DOCOMO Financial Group, Inc.” (DOCOMO FG) which NTT DOCOMO will commence operations on 2026-07-01 (succeeding the businesses and related shares in the financial domain via absorption-type split). It reorganizes securities (Monex Group) + banking (SBI Sumishin Net Bank / docomo Neobank brand) + cards & payments (d CARD / d払い / d Smart Bank) under 1 roof. Its positioning is the 4 th pole of the “telco-affiliated FGs” alongside au-fg / paypay-fg / rakuten-fg. The parent company is NTT DOCOMO (NTT 100%).
1. Company overview
Legal name: NTT DOCOMO Financial Group, Inc. (abbreviated DOCOMO FG) English name: NTT DOCOMO Financial Holdings (the official English name is unpublished; this is a customary notation) Commencement of operations: 2026-07-01 (the effective date of the absorption-type split, on an official-announcement basis) Parent company: NTT DOCOMO, INC. (Nippon Telegraph and Telephone Corporation 100%) Headquarters: 2-11-1 Nagatacho, Chiyoda-ku, Tokyo, Sanno Park Tower
Establishment scheme (on a public-document basis)
NTT DOCOMO announced a spin-off / transfer scheme consolidating its existing financial-related subsidiaries and equity interests into the intermediate holding company NDFG. NDFG is positioned as a 100% subsidiary of NTT DOCOMO, and a listing plan has not been announced. The ultimate top-level parent of the entire group continues to be Nippon Telegraph and Telephone (NTT, TSE PRIME 9432).
Parent-company chain
日本电信电话（NTT，东证 PRIME 9432）
└── 株式会社 NTT docomo（NTT 100%，非上市）
├── 通信事业（核心）
├── 智能生活事业
└── NDFG（中间金融持股公司，事业开始 2026-07-01）★Major subsidiaries & planned holdings (on a public-announcement basis)
NDFG（中间持股，NTT docomo 100%，事业开始 2026-07-01）
├── Monex 集团（东证 PRIME 8698）
│ ├── 出资：于 2024-01-04 设立中间持股公司「docomo Monex Holdings」，NTT docomo 取得表决权约 49%（Monex 集团约 51%）。基于董事过半数指名权的实质支配力标准，Monex 证券为 **NTT docomo 的合并子公司**（错位合并）^[extracted]
│ ├── Monex 证券（在线证券，零售）
│ ├── TradeStation（美国在线券商）
│ └── Coincheck Group（加密资产交换业，有美国 Nasdaq 上市经纬）
├── 住信 SBI 网络银行（旧 东证 STD 7163，2025-09 docomo TOB 成立后退市）
│ ├── 于 2025-10-01 **成为 NTT docomo 的合并子公司**（TOB 启动 2025-05-30起，实质支配力标准）^[extracted]
│ ├── 资本重组后的持股比例 docomo 55.37%：三井住友信托 44.63%，经 A 种种类股转换后**表决权 50%／50%**的共同经营 ^[extracted]
│ └── 预定于 2026-08-03 将商号变更为 **株式会社 docomo SMTB 网络银行** ^[extracted]
├── d 卡・d 払い 事业（经吸收分割承继至 NDFG，2026-03-31 公布）^[extracted]
├── 株式会社 docomo・Insurance（经吸收分割承继）^[extracted]
├── 株式会社 docomo・Finance（经吸收分割承继）^[extracted]
└── d Smart Bank（与住信 SBI 网络银行联动的银行服务）^[extracted]Key timeline (on a public-announcement basis)
| Year/month | Event |
|---|---|
| 2018-04 | Full-scale expansion of the d CARD GOLD / d-point economic zone |
| 2019-12 | NTT announces a TOB to make NTT DOCOMO a wholly owned subsidiary (~2020-12 wholly-owned-subsidiary conversion completed) |
| 2023-10-04 | Monex Group / Monex Securities × NTT DOCOMO conclude a capital and business alliance agreement |
| 2024-01-04 | Monex Securities becomes an NTT DOCOMO consolidated subsidiary (docomo Monex HD, DOCOMO voting rights approx. 49%, a twisted consolidation) |
| 2024〜2025 | Announcement and expansion of the “docomo Neobank” brand linkage with SBI Sumishin Net Bank |
| 2025-05-30 | NTT DOCOMO launches a TOB for SBI Sumishin Net Bank (concluding a capital and business alliance agreement) |
| 2025-10-01 | SBI Sumishin Net Bank becomes an NTT DOCOMO consolidated subsidiary (joint management with Sumitomo Mitsui Trust at voting rights 50%／50%) ★ |
| 2025〜2026 | Preparations for establishing the financial-business supervisory intermediate holding company (NDFG) are publicly reported |
| 2026-03-31 | NTT DOCOMO officially announces the transition to the “NTT DOCOMO Financial Group” structure (financial-business reorganization) ★ |
| 2026-07-01 | NDFG (NTT DOCOMO Financial Group, Inc.) commences operations (the absorption-type split takes effect) |
| 2026-08-03 | SBI Sumishin Net Bank → scheduled name change to docomo SMTB Net Bank |
2. Business segment map
| Segment | Main operators (planned) | Features |
|---|---|---|
| Securities | Monex Group / Monex Securities | A major online broker, holding U.S. TradeStation |
| Crypto assets | Coincheck Group (under Monex) | A major domestic exchange operator |
| Banking | SBI Sumishin Net Bank (→ 2026-08 docomo SMTB Net Bank) + docomo Neobank brand | 2025-10-01 DOCOMO consolidated-subsidiary conversion (joint management at voting rights 50%／50%, with Sumitomo Mitsui Trust) |
| Cards | d CARD (d CARD GOLD / d CARD PLATINUM line) | Operated integrally with the d-point base |
| Points & payments | d POINT / d Payment / d払い | Telecom contractors + external merchants |
| Investment & asset-building | NISA / iDeCo, d Smart Bank linkage | Linked with Monex + Sumishin SBI |
Positioning as the “4 th pole” of telco-affiliated FGs
- The existing 3 poles: au-fg (KDDI / a reorganization period after selling au Jibun Bank), paypay-fg (SoftBank / Z Holdings keiretsu, PayPay Bank + PayPay Securities + PayPay Card), rakuten-fg (Rakuten Bank / Rakuten Securities / Rakuten Card / Rakuten Pay)
Aim of the financial-services integration (the gist of the public announcement)
- Changing the operating bodies of securities, banking, cards, and points from dispersed management to supervisory management, clarifying group KPIs and ROE management
- Separating the management responsibility of the NTT DOCOMO main body (telecom) from the financial business (regulatory response, governance)
- Centralizing, at the intermediate-HD level, the cross-sell design of the d-point economic zone + financial products
Partnership / acquisition strategy
- Monex Group: capital and business alliance agreement (2023-10-04) → consolidated-subsidiary conversion completed in 2024-01-04 (via docomo Monex HD, DOCOMO voting rights approx. 49%). The core of the securities segment
- SBI Sumishin Net Bank: developing from providing the docomo Neobank brand, with a TOB launched in 2025-05-30 (established 2025-09 ), it becomes an NTT DOCOMO consolidated subsidiary on 2025-10-01. After capital reorganization, DOCOMO 55.37% : Sumitomo Mitsui Trust 44.63% (joint management at voting rights 50%／50%), and a 2026-08-03 name change to “docomo SMTB Net Bank”
- Coincheck Group: succeeded as a crypto-asset business under Monex
B2C branding
- d-brand integration: continuing the commonization of the “d” prefix across d CARD, d Smart Bank, d POINT, and d払い
4. Regulation & policy
- Supervisor: Financial Services Agency (FSA)
- Type-I Financial Instruments Business (Monex Securities)
- Banking business (SBI Sumishin Net Bank)
- Comprehensive credit-purchase intermediary business (d CARD)
- Funds-transfer business / prepaid payment instruments (d払い, d POINT)
- Crypto-asset exchange business (Coincheck)
- Banking business (SBI Sumishin Net Bank, already converted to a DOCOMO consolidated subsidiary → docomo SMTB Net Bank)
Related
- mufg · smfg · mizuho-fg — the megabank 3 poles
- au-fg · paypay-fg · rakuten-fg — telco-affiliated FG peers
- sbi-hd — parent company of SBI Sumishin Net Bank
Sources
- NTT DOCOMO official press releases (public announcements regarding the establishment of the financial-business supervisory intermediate holding company / published sequentially)
- NTT DOCOMO “Conclusion of a Capital and Business Alliance Agreement with Monex Group / Monex Securities” (2023-10-04, confirming docomo Monex HD, DOCOMO voting rights approx. 49%, consolidated-subsidiary conversion 2024-01-04) https://www.docomo.ne.jp/info/news_release/2023/10/04_00.html
- NTT DOCOMO “Commencement of a Tender Offer for the Common Stock of SBI Sumishin Net Bank, Ltd. …” (2025-05-29, confirming the TOB launch and the capital and business alliance) https://www.docomo.ne.jp/info/news_release/2025/05/29_01.html
- NTT DOCOMO “Change of SBI Sumishin Net Bank’s Trade Name to ‘docomo SMTB Net Bank’, Capital Reorganization …” (2025-12-19, confirming the 2025-10-01 consolidated-subsidiary conversion, voting rights 50%／50%, and the 2026-08-03 name change) https://www.docomo.ne.jp/info/news_release/2025/12/19_00.html
- NTT DOCOMO “Regarding the Business Reorganization in the Financial Business and the Transition to the ‘NTT DOCOMO Financial Group’ Structure” (2026-03-31, confirming the company name “NTT DOCOMO Financial Group, Inc.”, 2026-07-01 commencement of operations, the headquarters “2-11-1 Nagatacho, Chiyoda-ku, Tokyo, Sanno Park Tower”, and the succession via absorption-type split of the “d CARD®” and “d払い®” businesses and the shares of docomo Insurance / docomo Finance / docomo Monex HD / SBI Sumishin (→docomo SMTB) Net Bank) https://www.docomo.ne.jp/info/news_release/2026/03/31_00.html
- NTT DOCOMO “New Organizations, etc.” (2026-05-08, confirming the 2026-07-01 transfer of financial functions and organizational reorganization) https://www.docomo.ne.jp/info/news_release/2026/05/08_00.html
- NTT DOCOMO parent-company TOB-related timely disclosures (NTT 9432 wholly-owned-subsidiary conversion, 2019-12〜2020-12)
- Wikipedia: NTT DOCOMO and the NTT entry
- Nikkei / Bloomberg / Reuters public reporting (2024〜2026)
[!info] Verification status confidence: tentative (v1.1 based on public announcements + timely disclosures, 2026-05-29 re-verified / 2026-05-30 official announcement fixing the company name, dates, and headquarters). 2026-05-30 update: per the business-reorganization release published by NTT DOCOMO 2026-03-31, the company name “NTT DOCOMO Financial Group, Inc.”, 2026-07-01 commencement of operations (the absorption-type split takes effect), the headquarters “2-11-1 Nagatacho, Chiyoda-ku, Tokyo, Sanno Park Tower”, and the succession targets (the “d CARD®” and “d払い®” businesses + the shares of docomo Insurance / docomo Finance / docomo Monex HD / SBI Sumishin →docomo SMTB Net Bank) are fixed — the former “forecast” annotations (company name, establishment date, headquarters, d-CARD spin-off, transfer scope) have been removed upon official confirmation. Monex Securities as of 2024-01-04 (docomo Monex HD, DOCOMO voting rights approx. 49%), and SBI Sumishin Net Bank becoming an NTT DOCOMO consolidated subsidiary as of 2025-10-01 (joint management with Sumitomo Mitsui Trust at voting rights 50%／50%, with a scheduled name change to “docomo SMTB Net Bank” at 2026-08-03) are officially confirmed. Whether d-points remain in the main body vs are transferred to NDFG is not individually specified in the official releases and, being unconfirmed speculation, is isolated to
.opinions/JapanFG/ndfg.md. Evaluative issues such as the applicability of holding-company regulation and the superior-bargaining-position guideline discussion are also isolated to.opinions. Important figures and proper nouns are limited to those based on public documents.