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A trust is only as sound as the administration beneath it. Amicorp Trustees (South Dakota) provides the full operational backbone that institutional clients, family offices, and their advisors require — from safekeeping assets and maintaining precise custody records, to managing the corporate entities that often sit within or alongside trust structures. We ensure the mechanics never become the distraction.

As a state-chartered, non-depository Public Trust Company since 2018, Amicorp Trustees (South Dakota) acts as institutional trustee, directed trustee, or co-trustee — serving the full range of clients who have come to recognize South Dakota as home for their most important structures. We combine institutional rigor with the responsiveness your advisors and families expect.

Amicorp was founded on the belief that trust — in the human sense — must precede every structure that bears the word. We have served families, institutions, and advisors across generations because we understand that relationships outlast any single transaction.

Our South Dakota trust company brings that depth of cross-border expertise to clients whose wealth, families, and advisors span multiple countries and legal systems.

Amicorp Wealth Services (AWS), as a SEC Registered Investment Advisor (RIA), is a trusted partner for institutional investors, investment firms, family offices, and financial firms seeking comprehensive financial market access and support. AWS leverages strategic partnerships and deep industry expertise to provide a regulated umbrella for various financial market activities. This includes acting as a manager for collective investment vehicles, facilitating seamless operations in the financial markets, navigating the complex financial landscape with confidence, and capitalizing on market opportunities.

Our services include

Amicorp Trustees (South Dakota)

  • Institutional & Directed Trustee Services
  • Dynasty & Perpetual Trust Administration
  • Domestic Asset Protection Trust (DAPT) Administration
  • Trust Decanting & Modification Consulting
  • Family Office Trustee Partnerships
  • International Client Trust Structures
  • Private Trust Company Chartering Support
  • Transaction and Corporate Agent
  • Escrow administration and custody

Trust structures rarely stand alone. They anchor holding companies, family LLCs, SPVs, and operating entities. We provide the administrative continuity those entities require — keeping them compliant, current, and ready:

  • Entity Formation & Registration: Formation of LLCs, LPs, and corporations; registered agent services and state compliance filings.
  • Registered Agent Services: Serve as registered agent for trust-owned entities domiciled in South Dakota, ensuring timely receipt and handling of official correspondence.
  • Corporate Record Maintenance: Maintain minute books, resolutions, membership registers, and organizational documents for trust-owned or trust-adjacent entities.
  • Annual Compliance & Reporting: Annual report filings, fee payments, and good-standing maintenance across South Dakota and other relevant jurisdictions.
  • Director & Officer Services: Provide nominee director, officer, or manager services for holding entities where an institutional presence is required or preferred.
  • Bank Account Opening Support: Assist Trust-owned entities with account opening documentation, KYC/AML preparation, and ongoing banking relationship support.

We coordinate with qualified custodians to ensure trust assets are held, recorded, and reported with institutional precision — supporting the directed trustee model without displacing your chosen investment advisor:

  • Custodian Liaison & Coordination: Interface with qualified custodians on behalf of the trust; reconcile holdings and confirm proper titling of trust assets.
  • Asset Inventory & Record-Keeping: Maintain complete, current inventories of trust assets across custodians, account types, and asset classes.
  • Trust Accounting & Reporting: Prepare fiduciary accountings, income and principal allocations, and periodic reports to beneficiaries and advisors under SDCL 55-2.
  • Alternative & Private Asset Administration: Administer hard-to-custody assets including private equity interests, LLCs, real property, and closely held business interests held within trust.
  • Distribution Processing: Execute distributions to beneficiaries in accordance with trust terms and the direction of any Distribution Advisor or Trust Protector.
  • Tax Document Coordination: Coordinate with tax advisors on K-1 preparation, FBAR filings, and annual trust tax reporting requirements.

Amicorp Wealth Services LLC

  • Financial Advisory Services: Financial advice, individual or institutional, investment policy creation and review, portfolio rebalancing and asset allocation modeling, portfolio monitoring, and customized reporting.
  • Investment Advisory Services: ‘Plug and Play’ for access to the markets and investment products in the United States, turn-key portfolios on open architecture structure, third-party strategies, structured products, trackers, exchange traded funds, registered retirement manager advisor (RMA), and collective investment funds management services.
  • Investment Account Opening – Client portal: Checks, debit cards, American Express cards, payments (third party).
  • Other Services: Insurance services, general financial consulting, investment research, coordination for establishing companies and trusts.

Languages: English and Spanish.

Global presence

Office location

Sioux Falls

Amicorp Trustees (South Dakota), LLC

5024 Bur Oak Place, Suite 113A
Sioux Falls, SD 57108
United States of America

Miami

Amicorp U.S. Director Services LLC 

1001 Brickell Bay Drive, Suite 2414
Miami, FL 33131
United States of America

Miami

Amicorp Services Ltd.

1001 Brickell Bay Drive, Suite 2414
Miami, FL 33131
United States of America

Miami

Amicorp Wealth Services LLC

1001 Brickell Bay Drive, Suite 2414
Miami, FL 33131
United States of America

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