ST
Sofocles Tsimogianis
SANTANDER SECURITIES LLC
Acton, MA 01720
Some features on this profile are disabled
CRD#: 6752123
ST
Professional summary
Sofocles Tsimogianis is a registered financial advisor currently at SANTANDER SECURITIES LLC located in Acton, Massachusetts.
Sofocles is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2017. Sofocles has worked at 1 firm and has passed the Series 66, Series 63, Series 7TO, SIE, Series 6TO and Series 6 exams.
Question & Answer
Are you a "fiduciary"?
Yes
Aliases
None
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.
Aris Group, LLC, Partner, Property rental, investment related, 222 Heritage Dr, Whitensville, MA 01588, one hour a month none of which occur during trading hours.
CRS (Client Relationship Summary) - RIA
Click below to view Sofocles Tsimogianis's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view Sofocles Tsimogianis'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 2, 2025 - Present
SANTANDER SECURITIES LLC
Office #1: 409 Massachusetts Avenue, Acton, MA 01720RIA
BD
CRD#: 41791
Acton, MA
Current
January 19, 2024 - Present
SANTANDER SECURITIES LLC
Office #1: 409 Massachusetts Avenue, Acton, MA 01720RIA
BD
CRD#: 41791
Acton, MA
Past
February 21, 2017 - January 13, 2020
SANTANDER SECURITIES LLC
BD
CRD#: 41791
Worcester, MA
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".
SS
SANTANDER SECURITIES LLC
SANTANDER INVESTMENT SERVICES | SANTANDER SECURITIES LLC | SANTANDER SECURITIES CORPORATION OF PUERTO RICO | SANTANDER SECURITIES CORPORATION | SANTANDER SECURITIES
CRD#: 41791 / SEC#: 801-56796, 8-49571
RIA
Registered Investment Advisory firm - SEC (9/2/1999 Approved)BD
Broker-Dealer Firm Regulated by FINRA (Boston district office)
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.RR
indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.Visual representation of state registrations
RR
Massachusetts(10/16/2024)
IAR
Massachusetts(9/2/2025)
Exams
State Security Law Exam
State Security Law Exam
General Industry/Product Exam
RR
Series 7TO
Date: 5/29/2025
General Securities Representative ExaminationGeneral Industry/Product Exam
General Industry/Product Exam
RR
Series 6TO
Date: 1/19/2024
Investment Company Products/Variable Contracts Representative ExaminationGeneral Industry/Product Exam
SRO Registrations
RR
FINRA
Current Firm
SS
SANTANDER SECURITIES LLC
SANTANDER INVESTMENT SERVICES | SANTANDER SECURITIES LLC | SANTANDER SECURITIES CORPORATION OF PUERTO RICO | SANTANDER SECURITIES CORPORATION | SANTANDER SECURITIES
CRD#: 41791 / SEC#: 801-56796, 8-49571
RIA
Registered Investment Advisory firm - SEC (9/2/1999 Approved)BD
Broker-Dealer Firm Regulated by FINRA (Boston district office)
Upgrade to AdvisorCheck Premium
Get A Biweekly Pulse, AutomaticallyReceive biweekly alerts automatically. Stay informed and proactive.
Catch Firm-Level Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.
See Trends. Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.
Contact information
Main Address
75 State Street Mail Code: Ma-sst-inv3, Boston, MA 02109
Mailing Address
75 State Street Mail Code: Ma-sst-inv3, Boston, MA 02109
Phone number
(866) 736-6475
Established
Delaware since 01/03/2023
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Medium
# of Employees
440
SEC notice filing (53 States and Territories)
FINRA licenses (53 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| SANTANDER CAPITAL HOLDINGS, LLC | DIRECT OWNER | |
| BOWLER, DANIEL P | CHIEF FINANCIAL OFFICER | 5354805 |
| CARTER, LAWRENCE ANDREW | CHIEF COMPLIANCE OFFICER | 2113682 |
| CYLC, JOHN ALLAN II | NATIONAL BUSINESS DIRECTOR | 2917559 |
| NEURATH, DUSTIN | DIRECTOR | 8044630 |
| SCHMITZ, NICOLE | CHIEF OPERATIONS OFFICER | 2815862 |
| SNYDER, JONATHAN ANDREW | PRESIDENT & CEO | 6514215 |
| VANNAH, JAMES DOUGLASS | CHIEF LEGAL OFFICER & SECRETARY | 5679595 |
| VILLANO, ALYSON NICOLE | DIRECTOR | 7473984 |
| WATSON, JONATHAN EDWARD | DIRECTOR | 7631421 |
Regulatory assets under management
| Total Number of Accounts | 10,401 |
| AUM (Assets Under Management) | $ 2,553,311,017 |
Disclosures
| Regulatory Event | 12 |
| Arbitration | 7 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
Company Information
SANTANDER SECURITIES LLC
CRD#: 41791Acton, MA 01720TRUST BUT VERIFY
Monitor Sofocles Tsimogianis
Get automatic monthly alerts on:Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates
