Thomas Mattingly is a registered investment advisor at Big Sioux Wealth Management, based in Watertown, SD, with 3 years of industry experience. Thomas operates on a fee-only basis, meaning they do not earn commissions from product sales. Their practice areas include Estate Planning, High Net Worth, Insurance Planning, Investment Management, and 2 more. Their firm serves 868 clients with $240M in assets under management.
Compensation
Firm Size
Number of Clients
Average Client Portfolio
Assets Under Management
Fee Structure
Portfolio-Based Fees (Tiered)
| Portfolio Value | Annual Fee |
|---|---|
| Up to $100K | 1.45% |
| $100K - $200K | 1.35% |
| $200K - $500K | 1.10% |
| $500K - $750K | 1.05% |
| $750K - $1.0M | 0.90% |
| $1.0M - $3.0M | 0.80% |
| $3.0M - $6.0M | 0.70% |
| $6M+ | 0.65% |
Certificate of deposit and money market assets are excluded from asset management fee calculations. Fees are negotiable based on relationship history, account composition, and expected future assets.
Fee Estimator
Location
1401 4th St Ne, Watertown, SD, 57201
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Regulatory History
No disclosures, customer disputes, or regulatory actions on file.
Disclosures include customer complaints, regulatory actions, and other events that advisors must report to the SEC. A clean record means none have been reported.
Learn about disclosures →Other Business Activities
Thomas coaches basketball and football at Watertown High School since December 2024. This activity is not investment-related and takes about 10-20% of his time.
Employment History
Current Registrations
Big Sioux Wealth Management
State Registrations1 state
You can work with an advisor not registered in your state. Most advisors can legally serve a small number of clients across state lines without registering.
Exams
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