Banking Regulator
South Dakota’s official banking regulator office and contact information.
South Dakota Division of Banking
Regulates state-chartered banks, trust companies, and other financial institutions in South Dakota.
Tax Agency
South Dakota’s official tax agency office and contact information.
South Dakota Department of Revenue
Administers South Dakota's tax laws including sales tax and property tax. South Dakota has no personal income tax.
Consumer Protection
South Dakota’s official consumer protection office and contact information.
South Dakota Attorney General - Consumer Protection Division
Handles consumer complaints and enforces consumer protection laws in South Dakota.
Securities Regulator
South Dakota’s official securities regulator office and contact information.
South Dakota Division of Securities
Regulates the offer and sale of securities and the securities industry in South Dakota.
Insurance Commissioner
South Dakota’s official insurance commissioner office and contact information.
South Dakota Division of Insurance
Regulates the insurance industry and protects insurance consumers in South Dakota.
Additional Resources
Additional financial resources and industry associations in South Dakota.
South Dakota Bankers Association
Registered Investment Advisors in South Dakota
SEC-registered investment advisory firms operating in South Dakota.
Great Plains Trust
Trust services, investment management, estate planning
The First National Bank Wealth
Wealth management, retirement planning, financial advisory
Heartland Capital
Investment advisory, financial planning, retirement planning
FDIC-Insured Banks in South Dakota
Major banks with significant branch presence in South Dakota.
Great Western Bank
First Premier Bank
Dacotah Bank
Credit Unions in South Dakota
NCUA-insured credit unions serving South Dakota residents.
Black Hills Federal Credit Union
Lakeview Federal Credit Union
Data Sources: Investment advisor data from SEC IAPD. Bank data from FDIC BankFind. Credit union data from NCUA. Last verified: March 2026.
Related Tools & Articles
Helpful financial calculators and articles for South Dakota residents.
Federal Income Tax Calculator
Estimate your federal tax liability with our free calculator.
State Income Tax Calculator
Calculate your state income tax based on your filing status.
Mortgage Payment Calculator
Estimate your monthly mortgage payment including taxes and insurance.
How to Protect Yourself from Identity Theft
Essential steps to keep your financial information safe.