South Dakota Trust Company LLC
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Welcome to South Dakota Trust Company!

“Serving Families in Perpetuity”

South Dakota Trust Company LLC (SDTC) is a national boutique trust company founded by Al W. King III and Pierce H. McDowell III, and headquartered in Sioux Falls, South Dakota. SDTC's business is designed to accommodate the needs and desires of wealthy clients, both domestically and internationally, providing "flexible, cost- effective, service-oriented trust administration" in the #1 rated domestic trust jurisdiction. SDTC’s focus is to serve families’ individual goals, while preserving family wealth in perpetuity.

SDTC has more than $45 billion in assets under administration and $82 billion under agency. South Dakota's trust, income tax, asset protection, and private family trust company laws are top rated in the U.S. These laws have attracted more than 85 billionaires and 200 centa-millionaire clients to SDTC.

SDTC does not manage investment assets and consequently works with all outside investment managers and custodians of the client's choice, which is unique in the industry. Additionally, SDTC administers all types of non-financial assets, e.g., closely-held stocks, limited partnerships, residential and commercial real estate, LLCs, oil and gas interests, offshore entities, etc.

SDTC is independent and state chartered, and has reciprocity with most states. Consequently, SDTC can administer trusts from nearly all states.

South Dakota Planning Company LLC (SDPC) is located in New York City and is a separate sister company to South Dakota Trust Company. SDPC is responsible for sales, marketing and technical support, as well as publications, speeches, trust planning and consulting to support SDTC. Absolutely no trust administration is done out of the New York office.

Trust accounts representing more than $45 billion in assets under administration.

250 years of combined experience.

Worked with more than 25% of the Forbes 400.

More than 25 types of trusts available.

Work with most types of Non-Financial Assets.

Several Private Family Trust Company relationships worth in excess of $82 billion

Ranked annually as one of the top advisor-friendly trust companies by Bloomberg Magazine.

Rated the Best Trust Jurisdiction in the U.S. by Trusts & Estates Magazine(1/04; 1/07; 1/10; 1/12; 1/14; 1/16)

Learn more about South Dakota trusts
The information on this Private Trust's website is for general information purposes only. Nothing on this or associated pages, documents, comments, answers, emails, or other communications should be taken as legal and/or tax advice for any individual case or situation. The information on this website is not intended to create, and receipt or viewing of this information does not constitute, an attorney-client relationship.

South Dakota Office: 201 South Phillips Ave., Suite 200, Sioux Falls, SD 57104 Phone: 605 338-9170
New York Office: 10 East 40th St., Suite 1900, New York, NY 10016 Phone: 212 642-8377