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Mainstar Trust is a leading independent trust company specializing in custodial services for self-directed retirement accounts, including traditional, Roth, SEP, and SIMPLE IRAs. They enable investors to diversify their portfolios with alternative assets such as real estate, private equity, precious metals, and notes. Mainstar Trust focuses on providing secure, compliant, and client-focused solutions for individuals, financial professionals, and investment sponsors seeking greater control over their retirement savings.
Serves as the primary administrative, operational, and client support center for Mainstar Trust's custodial services.
Specific notable architectural highlights or unique facility features of the Kansas City office are not publicly promoted. The office is a modern, professional space designed for financial service operations.
Professional, client-focused, and compliance-oriented, emphasizing expertise in self-directed retirement accounts and alternative investments. The culture fosters accuracy, diligence, and a collaborative environment.
The Kansas City headquarters centralizes key decision-making, customer service, transaction processing, and compliance oversight, crucial for its role as a trusted IRA custodian.
Mainstar Trust primarily serves clients within the United States, offering custodial services for self-directed IRAs to U.S. residents and citizens. While some underlying investments in client IRAs may have international exposure, Mainstar Trust's direct operations and client base are focused domestically.
12200 N. Ash Street, Suite 200
Kansas City
MO
USA
Address: 101 E. 2nd Street, Onaga, KS 66521 (Physical); PO Box 263, Onaga, KS 66521 (Mailing for Operations)
Maintains an operational footprint in Onaga, Kansas, reflecting its historical roots and supporting nationwide custodial services with dedicated processing capabilities.
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As of April 2025, Mainstar Trust' leadership includes:
Mainstar Trust has been backed by several prominent investors over the years, including:
Based on publicly available information, there have been no significant new hires or departures announced at the executive level for Mainstar Trust within the last 12 months. The leadership team appears to have remained consistent.
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Mainstar Trust likely utilizes standard professional email formats. Common patterns include using the first initial followed by the last name, or the full first name separated from the last name by a period.
The most common email format for Mainstar Trust is likely `[first_initial][last]@mainstartrust.com` (e.g., jsmith@mainstartrust.com) or `[first].[last]@mainstartrust.com` (e.g., john.smith@mainstartrust.com).
Format
mwalker@mainstartrust.com (example, based on common [first_initial][last] format for Megan Walker, President & CEO)
Example
85%
Success rate
SEC.gov (U.S. Securities and Exchange Commission) • August 14, 2023
The U.S. Securities and Exchange Commission (SEC) charged Mainstar Trust for allegedly failing to perform its gatekeeping duties as an IRA custodian. The charges related to allowing high-risk investments promoted by fraudsters to be held in Mainstar customer accounts. Mainstar Trust agreed to pay more than $1.6 million, including disgorgement, prejudgment interest, and a civil penalty, to settle the charges without admitting or denying the SEC's findings....more
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