アイザワ証券 (Aizawa Securities)
ConfidenceLikelyUpdated2026-07-30Review by2026-10-27Sources4Machine-translatedOriginal (JA)
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This entry sits under securities-firms INDEX. Read it against Aizawa Securities Group for parent holding context, Iwai Cosmo Securities / Tokai Tokyo Securities / Okasan Sg for peer mid-tier independent securities, and securities index for the broader market-structure boundary.
TL;DR
Aizawa Securities Co., Ltd. is a wholly owned subsidiary of TSE Standard-listed Aizawa Securities Group (8708). The current company was established on 2021-04-01 and began securities operations on 2021-10-01 as part of the transition to a holding-company structure. Its official profile lists its head office at Shiodome City Center in Higashi-Shimbashi, Tokyo, capital of ¥3 billion, registration as Kanto Local Finance Bureau (FIBO) No. 3283, 779 employees, and 36 branches as of 2026-03-31. The official history traces its predecessor to the founding of Minatoya Shoten in 1918-07. ^[Aizawa Securities company profile: https://www.aizawa.co.jp/company/outline/; company history: https://www.aizawa.co.jp/company/history/; FSA financial instruments business operator registry: https://www.fsa.go.jp/menkyo/menkyoj/kinyushohin.xlsx]
1. 法人・株主
- 商号：アイザワ証券株式会社（英文：Aizawa Securities Co., Ltd.）
- 創業：1918 年（大正 7 年）2 月 — 藍澤彌八が東京・日本橋兜町で「藍澤證券店」設立
- 株式会社化：1948 年（株式会社藍澤證券）
- 持株会社化による現体制：2017 年 4 月 — Aizawa Securities Group 設立に伴い完全子会社化
- 本店所在地：〒103-0026 東京都中央区日本橋兜町 20-3
- 資本金：63 億円超
- 親会社：Aizawa Securities Group 株式会社（東証 STANDARD 8708、本社 東京）100% 出資
- 代表者：代表取締役社長
- 従業員数：約 750 名（HD 連結ベース）
2. ライセンス・登録
- 第一種金融商品取引業：関東財務局長（金商）第3198号
- 業界団体加入：
- 日本証券業協会 (JSDA) 正会員
- 一般社団法人 金融先物取引業協会
- 一般社団法人 第二種金融商品取引業協会
- 一般社団法人 日本投資顧問業協会
- 取引参加権：TSE・OSE 取引参加者・JSCC 清算参加者
3. 営業基盤
- Face-to-face sales: more than 40 branches・sales offices nationwide — centered on the Kanto base (Tokyo・Kanagawa・Chiba・Saitama), also expanded to Kansai・Tokai・Kyushu・Hokkaido
- Online trading: the “アイザワ証券オンライン” platform — Japanese stocks・US stocks・major Asian-emerging-market stocks
- Call center: 1 base (Tokyo)
- Overseas bases・partnerships:
- Vietnam: investment in・partnership with its own local subsidiary Asia Plus Securities (APSC), etc.
- Thailand: business partnership with a local securities firm
- Indonesia・Cambodia・Myanmar: agency partnerships with local brokers
- Family-office function: asset-management consulting for the wealthy / business owners
4. 業務セグメント
The following table is scoped to public primary sources (aizawa.co.jp, aizawa-sg.co.jp, fsa.go.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ↗
| セグメント | 内容 | 位置付け |
|---|---|---|
| 国内株式仲介 | 日本株 (TSE / OSE / 名証 / 福証 / 札証) | 主力収益柱 |
| 海外株式仲介 | 米国株・中華圏 (HKEX / NYSE / NASDAQ)・アジア新興国 | 差別化セグメント |
| 投資信託販売 | 国内外公募投信・私募 | リテール基盤 |
| 債券引受・販売 | 国内債・外国債・新興国債 | 中堅独立証券標準 |
| 株式引受 (IPO 含む) | 中小型 IPO 主幹事 / 副幹事 | 限定的だが継続的 |
| 法人 / 富裕層営業 | コンサルティング・事業承継・M&A 仲介 | 拡大領域 |
5. 親会社・グループ関係
Aizawa Securities Group (8708) is an intermediate holding company established via holding-company-ization in 2017-04 . Aizawa Securities proper is its 100% subsidiary and the core operating company that accounts for the majority of the group’s earnings. Under the HD, アイザワ・インベストメンツ (asset management)・affiliated overseas local subsidiaries are arrayed.
It belongs to none of the megabank-affiliated・regional-bank-affiliated・major-securities-affiliated lineages, maintaining an independent shareholder structure consisting of the founding family (the Aizawa family)・related parties・business counterparts.
6. 競合・業界ポジション
The following table is scoped to public primary sources (aizawa.co.jp, aizawa-sg.co.jp, fsa.go.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ↗
| 指標 | アイザワ証券 | Iwai Cosmo Securities | Marusan Securities | Tokai Tokyo Securities | |—|—|—|—|—| | 本店所在地 | 東京・日本橋 | 大阪・今橋 | 東京・日本橋 | 名古屋・名駅 | | 営業基盤 | 関東・海外 | 関西中心 | 関東中心 | 東海中心 | | 差別化軸 | アジア新興国 | 関西富裕層 | 老舗ブランド | 地銀提携 | | 親 HD | アイザワ証券 G | 岩井コスモ HD | 丸三証券 | 東海東京 FH |
7. 戦略・最近の動向
- Shift to Asian emerging markets: against the backdrop of the expanding middle class in Vietnam・Thailand, etc., continuing to strengthen emerging-market individual-stock brokerage for Japanese individual investors
- Online-ization: while retaining a business structure centered on face-to-face sales, strengthening online-trading functions (account opening・trading tools)
- Shift to business succession / the wealthy: a common theme of Japanese mid-tier independent securities firms — redirecting face-to-face sales resources toward the needs of the wealthy / business owners (M&A brokerage・inheritance・asset succession)
- Asset-management business: expanding discretionary investment / investment advisory through アイザワ・インベストメンツ
- Responding to the permanence of the NISA system: acquiring retail accounts in line with the 2024-01 start of the new NISA
8. 主要 KPI（概観）
The following table is scoped to public primary sources (aizawa.co.jp, aizawa-sg.co.jp, fsa.go.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ↗
| 項目 | 規模感 |
|---|---|
| 親 HD 上場区分 | 東証 STANDARD 8708 |
| 親 HD 営業収益 (連結) | 中堅独立証券レンジ（200 億円台） |
| 全国営業店舗数 | 40 拠点超 |
| 従業員数 (連結) | 約 750 名 |
| アジア新興国カバー国数 | 5 ヵ国前後 |
For detailed financials, refer to Aizawa Securities Group’s 有価証券報告書.
9. リスク・規制論点
- Revenue’s retail / market-condition dependence: because of the business model centered on face-to-face retail, revenue is linked to stock-market conditions・trading value. It is directly affected when market conditions deteriorate
- Emerging-market country risk: the Asian-emerging-market brokerage business embeds local-currency-fluctuation・political・regulatory-change risk
- Face-to-face sales vs internet-securities competition: under the fee-zeroing pressure of internet brokerages such as Matsui Securities・Monex Group・SBI Securities, proving the added value of face-to-face sales is a continuing challenge
- Financial Instruments and Exchange Act compliance: under FIEA Type 1 regulation, continued strengthening of the suitability principle・the duty to explain・conflict-of-interest management
Related
- Aizawa Securities Group — parent HD
- Iwai Cosmo Securities — Kansai-based independent mid-tier securities peer
- Tokai Tokyo Securities — Tokai-based independent mid-tier securities peer
- Marusan Securities — Kanto-based independent mid-tier securities peer
- Okasan Sg — Nagoya-affiliated long-established independent mid-tier securities peer
- securities-firms INDEX
- Securities domain index
Sources
- アイザワ証券 公式 会社概要：https://www.aizawa.co.jp/company/profile/
- アイザワ証券 公式 沿革：https://www.aizawa.co.jp/company/history/
- アイザワ証券グループ 公式 会社概要：https://www.aizawa-sg.co.jp/company/outline.html
- 金融庁 金融商品取引業者登録一覧：https://www.fsa.go.jp/menkyo/menkyoj/kinyushohin.xlsx
- EDINET 有価証券報告書（8708 アイザワ証券グループ）
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