Marusan Securities (丸三証券)

Wiki route

This entry sits under securities-firms INDEX. Read it against Aizawa Securities Group for peer / contrast context, Japan financial instruments business operators registry index for the regulatory-license layer, and securities license stack for the FIEA license boundary.

TL;DR

Marusan Securities is a long-established mid-tier independent broker founded in 1910 年 (TSE PRIME 8613), an independent securities company with over 110 years of history specializing in face-to-face retail as its main axis + consulting-style sales. In the FSA’s list of financial-instruments business operators it is listed as “丸三証券株式会社,” registered as Director-General of the Kanto Local Finance Bureau (Financial Instruments) 第167号. JSDA full member. It does not belong to a megabank or telco group; it keeps the traditional mid-tier brokerage model centered on face-to-face sales of equities, bonds, and investment trusts, with competitors in the mid-tier independent-broker bracket such as Aizawa Securities Group / Okasan Sg / Iwai Cosmo Holdings / Tokai Tokyo Fh.

1. Corporate / license boundary

The following table is scoped to public primary sources (fsa.go.jp, jsda.or.jp, marusan-sec.co.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ^↗

2. Company structure

Legal name: 丸三証券株式会社 Founded: 1910 年 (founded in Tokyo as a sole proprietorship in the Meiji era) ^• Listing: listed on the TSE after the postwar reorganization of the stock market; currently TSE PRIME (8613) ^• Head office: Kojimachi, Chiyoda-ku, Tokyo Business type: Financial instruments business (Type I financial-instruments business operator) — mid-tier independent broker

Characteristics of the business type

Marusan Securities is a long-established mid-tier independent broker of the single-business-company type that has not gone through holding-company conversion. It holds no banking, insurance, or crypto-asset business within the group, and its defining feature is a simple business structure purely specialized in the securities business (especially face-to-face retail equities, bonds, and investment trusts). This is a different organizational form from Aizawa Securities Group (already converted to a holding company) or Okasan Sg (already converted to a holding company).

Key chronology (public-information based)

The following table is scoped to public primary sources (fsa.go.jp, jsda.or.jp, marusan-sec.co.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ^↗

3. Business-segment map

The following table is scoped to public primary sources (fsa.go.jp, jsda.or.jp, marusan-sec.co.jp). It restates licence / structure / product boundaries from those materials and does not invent market share, ranking, or unstated numerical claims. ^↗

Position as a long-established mid-tier independent broker

Marusan Securities is a long-established firm founded in 1910 年, a mid-tier independent broker with over 110 years of history. It occupies a position different from megabank-affiliated brokers (SMBC Nikko / MUMSS / Mizuho Securities), major face-to-face brokers (Nomura Holdings (Nomura HD) / Daiwa Sg), and online-only firms (SBI Securities / Rakuten Securities / Monex Group), maintaining the niche of face-to-face retail × mid-tier independence. It differs from the Chukyo / Kansai-based Okasan Sg / Iwai Cosmo Holdings / Tokai Tokyo Fh in its regional base (Tokyo vs Chukyo / Kansai).

Competitive environment (japan-online-brokerage-competition context)

• Differentiates through face-to-face consulting sales against the commission-free trend of online brokers
• Maintains the niche of “educational sales” and “face-to-face consultation” for wealthy / senior clients
• Competition with major face-to-face brokers is disadvantageous due to the scale gap, but it maintains a distinctive brand in the mid-tier independent-broker bracket

5. Regulation and policy

• Supervision: Financial Services Agency (FSA) / Kanto Local Finance Bureau
• Business type: Type I Financial Instruments Business (securities business)
• Regulation: Financial Instruments and Exchange Act / Japan Securities Dealers Association (JSDA) self-regulation
• Recent policy points:
  • 2025〜 strengthening of customer-first business operations (FD principles): a justifying factor for the face-to-face consulting-style sales model

Related

• aizawa-sg · okasan-sg · iwai-cosmo-hd · tokai-tokyo-fh
• matsui-sec · monex-group
• jsda
• financial-instruments-business-operators-japan-index

Sources

• FSA, “金融商品取引業者登録一覧,” kinyushohin.xlsx (public Excel list).
• Japan Securities Dealers Association (JSDA), “協会員名簿.”
• 丸三証券株式会社, “会社概要” (official corporate site).