Score
KOSEI SECURITIES
https://www.kosei.co.jp/
Website
Rating Index
Influence
Influence
C
Influence index NO.1
Contact
Licensed Entity:光世証券株式会社
License No. 近畿財務局長(金商)第14号
Single Core
1G
40G
1M*ADSL
- The current information shows that this broker does not have a trading software. Please be aware!
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Company Summary
| KOSEI SECURITIES Review Summary | |
| Founded | 1997 |
| Registered Country/Region | Japan |
| Regulation | FSA |
| Trading Products | Stocks, Bonds, Investment Trusts, ETFs/REITs, Futures, Options, and Insurance/iDeco |
| Trading Platform | / |
| Minimum Deposit | / |
| Customer Support | Tel: 0120-06-8617 |
| Address: 2-1-10 Kitahama, Chuo-ku, Osaka | |
KOSEI SECURITIES Information
The headquarters of Kosei Securities is located in Kitahama, Chuo-ku, Osaka City. Its business covers securities trading, investment trusts, futures and options, life insurance agency, etc., while also providing special services such as specific accounts (simplified tax filing) and NISA accounts (tax exemption for small-scale investments).

Pros and Cons
| Pros | Cons |
| Regulated by FSA | Complex commission structure |
| Fund safety guarantee | Insufficient English support (primarily in Japanese) |
| Combination of online and offline | |
| Long operational history | |
| Various trading products | |
| Transparent fee info |
Is KOSEI SECURITIES Legit?
Kosei Securities is listed on the Tokyo Stock Exchange and regulatedby the Financial Services Agency (FSA) of Japan. With a license number of 近畿財務局長(金商)第14号, it is a legally registered securities company.
| Regulated Authority | Current Status | Regulated Country | Licensed Entity | License Type | License No. |
| Financial Services Agency (FSA) | Regulated | Japan | 光世証券株式会社 | Retail Forex License | 近畿財務局長(金商)第14号 |

What Can I Trade on KOSEI SECURITIES?
| Trading Products | Supported | Details |
| Stocks | ✔ | Domestic listed stocks, U.S. stocks, initial public offerings (IPOs), and margin trading |
| Bonds | ✔ | Individual government bonds, corporate bonds, foreign currency-denominated bonds, and convertible bonds |
| Investment Trusts | ✔ | Equity investment trusts, corporate bond investment trusts, and hedge fund-type funds |
| ETFs/REITs | ✔ | Listed investment trusts, real estate investment trusts (e.g., TOPIX REIT Index) |
| Futures and Options | ✔ | Nikkei 225 futures, TOPIX options, precious metal futures (gold standard), and commodity index futures (CME crude oil) |
| Insurance/iDeco | ✔ | Life insurance agency services, Nomura iDeco (pension accounts) |

Account Type
Specific Account: Calculates profits and losses on behalf of clients, handles tax payments, and simplifies annual tax filings.
NISA Account: A tax-exempt account for small-scale investments, with an annual investment limit of ¥1,000,000. Dividends and sales proceeds are tax-exempt for 5 years.

KOSEI SECURITIES Fees
Main Commission Fees:
Stocks (Online): 0.601% for transactions under ¥1,000,000 (minimum ¥1,100). For amounts over ¥1,000,000,000, fees are subject to individual negotiation.
U.S. Stocks: A flat 0.495% (minimum ¥550). SEC fees will be temporarily waived starting May 13, 2025.
Futures & Options (Online): 0.022% for index futures, 0.0044% for government bond futures, with a minimum fee of ¥440.
Account Maintenance Fee: ¥2,200 annually (waived for clients holding 100+ shares of the firms stock).
Other Fees:
Margin Loan Rates (Buy Side): Institutional margin: 1.64%–1.92% (annual interest); General margin: 2.14%–2.42%.
For more detailed account fee information, please visit the official website.

Keywords
- 15-20 years
- Regulated in Japan
- Retail Forex License
- Suspicious Scope of Business
- Medium potential risk
Wiki Q&A
Can I trust KOSEI SECURITIES as a legitimate and secure broker for trading?
In my experience as an independent forex trader, evaluating a broker's legitimacy and security is paramount, especially for platforms operating in tightly regulated jurisdictions like Japan. KOSEI SECURITIES stands out for me because it is regulated by Japan's Financial Services Agency (FSA), which is globally recognized for its rigorous oversight of financial institutions. This regulatory environment offers a meaningful layer of protection for client funds and ensures the firm complies with established financial practices. KOSEI SECURITIES has a long operational history, over 15 years, which to me signals stability and sustained compliance with local laws. Its broad product offering, including stocks, bonds, investment trusts, and derivatives, reflects a commitment to diversified investing, though its scope is primarily geared toward Japanese residents. Importantly, I note that while the broker does provide transparent fee information and various account types with tax benefits, the commission structure can be complex and may require careful attention to ensure there are no unexpected costs. However, from my perspective, a significant consideration is the language barrier: most services and support are primarily in Japanese, which could present challenges for non-local traders. Also, while the medium potential risk tag indicates some areas that merit extra vigilance, I take reassurance from the FSA license and public listing, which typically reduce the likelihood of severe misconduct. Ultimately, while I see KOSEI SECURITIES as a legitimate and secure choice within the Japanese market, I would approach with care, especially as a non-resident. For those comfortable navigating Japanese-language platforms and seeking regulated exposure to Japan's financial markets, the broker provides a trustworthy framework, underpinned by strict regulatory standards. However, as always, I recommend conducting further personal due diligence to ensure that their offerings and support meet your specific needs.
Is a free demo account available at KOSEI SECURITIES, and if so, are there any restrictions such as a time limit?
Based on my careful research and personal assessment of KOSEI SECURITIES as outlined in reliable regulatory sources, I have not found any clear evidence that a free demo account is currently offered. In my own trading process, the availability of a demo account is an important factor for evaluating a broker, as it allows risk-free exploration of platforms and strategies. However, the details about account types at KOSEI SECURITIES focus mainly on specific and NISA accounts intended for live, real-money investing, especially tailored to residents in Japan. There’s no indication or mention of demo or practice accounts in the broker’s features or fee structure. For me, this absence means that, unlike many international forex-focused brokers who almost always provide unrestricted demo environments, KOSEI SECURITIES appears to prioritize regulated securities trading and investment products for local clients, with less emphasis on experiential learning tools typical for retail forex traders. If demo trading is a crucial part of your preparation, it would be prudent to directly inquire with KOSEI SECURITIES before considering account registration, as assumptions about offshore practices may not apply here. My approach is always to confirm such details directly on the official website or through client support channels to avoid misunderstandings, particularly where financial risk is involved.
What is the usual timeframe for KOSEI SECURITIES to complete a withdrawal to a bank account or e-wallet?
As a seasoned trader with a focus on the safety and reliability of my funds, I always prioritize understanding a broker’s regulatory status and operational transparency before diving into finer details like withdrawal processing times. KOSEI SECURITIES, being regulated by the Financial Services Agency (FSA) of Japan and holding a retail forex license, provides me with a baseline level of reassurance regarding fund protection and compliance. However, I have observed that their services and primary communications are predominantly in Japanese and targeted mainly at local residents. Because their main focus is on the Japanese market and traditional investment products, my experience suggests that withdrawal processes with domestic Japanese securities firms usually favor local bank transfers, and timelines may be faster compared to international e-wallet transfers—if the latter are offered at all. The broker is noted for its long operational history and emphasis on regulatory adherence, which for me typically translates into reasonably prompt withdrawal handling. In my personal practice, Japanese brokers regulated by the FSA often process withdrawals within one to three business days for local bank accounts, assuming all account verification procedures are completed. However, I always approach with caution, knowing that factors such as account type, national holidays, or additional compliance checks could extend this period. When dealing with firms like KOSEI SECURITIES that do not provide extensive English-language support or international e-wallet options, I’ve found it prudent to directly confirm timelines with customer service before making larger transfers. Overall, I rely on direct, conservative expectations: for standard local bank withdrawals, one to three business days is typical, while international or non-standard methods may vary or require further inquiry.
Is automated trading with Expert Advisors (EAs) available on KOSEI SECURITIES' platforms?
Based on my deep dive into KOSEI SECURITIES, my understanding is that their offering is primarily tailored toward Japanese residents, and their main business revolves around traditional securities, investment trusts, and derivatives like futures and options. While I’ve evaluated brokers across many jurisdictions, a key distinction with KOSEI SECURITIES is the total absence of details about a conventional forex trading platform such as MetaTrader 4 or MetaTrader 5—both of which are essential for using Expert Advisors (EAs) and automated trading systems. In my own trading, EAs require a platform that openly supports third-party algorithmic tools and scripting—typically MT4, MT5, or trading APIs. From the fee and service breakdowns, KOSEI SECURITIES seems to operate through proprietary or web-based systems instead, with no signals of automated trading availability, custom script integration, or external EAs. For me, this is a substantial limitation, especially since algorithmic trading plays a larger strategic role in risk control and market monitoring. For safety and regulatory considerations, I value the fact that KOSEI SECURITIES is FSA-regulated with a long history, which helps build trust for manual trading and investment. However, if your trading approach is reliant on EAs, I’d exercise caution and accept that this broker currently doesn’t appear to meet those specific automation needs. I always recommend verifying the actual available software directly with the broker, but for my purposes as an EA user, KOSEI SECURITIES isn’t a fit at this time.
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