TM
Thomas J. Mattingly
BIG SIOUX WEALTH MANAGEMENT
Watertown, SD 57201
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CRD#: 7780904
TM
Professional summary
Thomas James Mattingly, who also goes by Tom Mattingly, Tommy Mattingly, is a registered financial advisor currently at BIG SIOUX WEALTH MANAGEMENT located in Watertown, South Dakota.
Thomas is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2023. Thomas has worked at 1 firm and has passed the Series 65 exam.
Question & Answer
Are you a "fiduciary"?
Yes
Aliases
Tom Mattingly | Tommy Mattingly
Other business activities
Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
1. Basketball and Football Coach at Watertown High School. Start Date: 12/2024. Not investment related. Approximately 30 hours per month, 0 hours per month during securities trading hours. 2. Legacy Properties - Commercial LLC and Legacy Properties - Residential LLC; Partnership LLC of rental properties in Watertown, SD; 117 Summerwood Dr. Watertown, SD 57201; Landlord for Residential Rentals and Commercial Rentals; President and part-owner of both LLCs; July 10, 2025; 10 - 15 Hours per month; 2-3 Hours per month; primary role is bookeeping for the properties and occasional showings.
CRS (Client Relationship Summary) - RIA
Click below to view Thomas James Mattingly's CRS (Customer Relationship Summary).
Certified licenses
Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
NoneExperience
Current
September 14, 2023 - Present
BIG SIOUX WEALTH MANAGEMENT
Office #1: 1401 4th St Ne, Watertown, SD 57201RIA
CRD#: 299593
Watertown, SD
Primary Firm SEC Registration
This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
BS
BIG SIOUX WEALTH MANAGEMENT
BIG SIOUX FINANCIAL, INC. | BIG SIOUX WEALTH MANAGEMENT
CRD#: 299593 / SEC#: 801-118350
RIA
Registered Investment Advisory firm - (3/30/2020 Approved)Minnesota
Registered Investment Advisory firm - (6/22/2020 Terminated)South Dakota
Registered Investment Advisory firm - (6/19/2020 Terminated)State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.Highlighted states indicate IAR registrations
IAR
South Dakota(9/14/2023)
Current Firm
BS
BIG SIOUX WEALTH MANAGEMENT
BIG SIOUX FINANCIAL, INC. | BIG SIOUX WEALTH MANAGEMENT
CRD#: 299593 / SEC#: 801-118350
RIA
Registered Investment Advisory firm - (3/30/2020 Approved)Minnesota
Registered Investment Advisory firm - (6/22/2020 Terminated)South Dakota
Registered Investment Advisory firm - (6/19/2020 Terminated)Upgrade to AdvisorCheck Premium
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Contact information
Main Address
1401 4th St Ne, Watertown, SD 57201
Mailing Address
Po Box 1027, Watertown, SD 57201
Phone number
(605) 882-4280
Established
Firm type
Fiscal year end
# of Employees
6
SEC notice filing (6 States and Territories)
Documents
Regulatory assets under management
| Total Number of Accounts | 2,036 |
| AUM (Assets Under Management) | $ 200,749,508 |
Red Flags
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Check for any disclosures as part of your thorough research when choosing an advisor.
Company Information
BIG SIOUX WEALTH MANAGEMENT
CRD#: 299593Watertown, SD 57201TRUST BUT VERIFY
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