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WE MAKE THE COMPLEX SIMPLE

Empowering Small Business Owners, Health Care Professionals, Retirees,

Employees, and Families to Achieve Financial Independence





Serving South Dakota and Beyond With Objectivity, Transparency, & Good Old-Fashioned Hard Work!


There's No Substitute For Being Known On A First Name Basis

At Big Sioux, we serve our clients in a fiduciary capacity. This means that we are obligated to put your interests before our own in all recommendations that we make on your behalf. We structured our approach this way to maximize long term value for our clients.

We are a locally owned, independent RIA firm located in Watertown and Sioux Falls, South Dakota. We serve families, individuals, small business owners, healthcare professionals, people who have come into sudden wealth, and retirees.

Check the background of this firm on FINRA’s BrokerCheck.