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Trust Companies | High Net Worth

South Dakota

Firms in the Trust Companies category have the formation and fiduciary administration of trust structures as their sole or primary business. These firms may or may not also provide wealth management and estate planning services.

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  1. CISA Trust Company (South Dakota) LLC
    CISA Trust Company (South Dakota) LLC
    Trust Companies
    2025 | Spotlight | 5 Years Ranked
    CISA Trust Company is highly regarded in South Dakota for its trust services. It also offers wealth planning, accounting, and CRS and FATCA expertise.
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  2. Trident Trust
    Trident Trust
    Trust Companies
    2025 | Spotlight | 10 Years Ranked

    Trident Trust Company provides trust and fund administration services to high net worth clients. The firm is a major international provider of fiduciary services, and clients may benefit from its presence in other key jurisdictions.

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  3. South Dakota Trust Company
    Trust Companies
    2025 | Spotlight
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