Marvin L. Barron
Professional summary
Marvin Lee Barron III, CFP®, who also goes by Marvin Lee Barron, is a registered financial advisor currently at TGS FINANCIAL ADVISORS located in Radnor, Pennsylvania.
Marvin is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2003. Marvin has worked at 2 firms and has passed the Series 66 and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Marvin Lee Barron III's CRS (Customer Relationship Summary).
Certified licenses
Experience
September 14, 2022 - Present
TGS FINANCIAL ADVISORS
Office #1: 100 W. Matsonford Road Building 3, Suite 304, Radnor, PA 19087January 20, 2005 - April 14, 2015
TGS FINANCIAL ADVISORS
October 28, 2003 - December 31, 2004
TGS FINANCIAL ADVISORS
April 30, 2003 - July 2, 2008
RAYMOND JAMES FINANCIAL SERVICES, INC.
Primary Firm SEC Registration

TGS FINANCIAL ADVISORS
CRD#: 107289 / SEC#: 801-38963
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Highlighted states indicate IAR registrations
(9/14/2022)
Exams
Current Firm

TGS FINANCIAL ADVISORS
CRD#: 107289 / SEC#: 801-38963
Contact information
SEC notice filing (13 States and Territories)
Regulatory assets under management
| Total Number of Accounts | 1,125 |
| AUM (Assets Under Management) | $ 359,389,701 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 12/05/2025 | ||
| 08/29/2024 | ||
| 10/27/2023 | ||
| 12/29/2022 |
Red Flags
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