Colin March

SANTANDER SECURITIES

Abington, MA 02351

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CRD#: 8054491

Professional summary

Colin March is a registered financial advisor currently at SANTANDER SECURITIES LLC located in Abington, Massachusetts.

Colin is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2025. Colin has worked at 1 firm and has passed the Series 66, Series 63, Series 7TO, Series 6TO and SIE exams.

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.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Colin March's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

CRS (Client Relationship Summary) - BD

Click below to view Colin March's CRS (Customer Relationship Summary).

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®

None

Experience

Current

July 9, 2026 - Present

SANTANDER SECURITIES LLC

Office #1: 533 Washington Street, Abington, MA 02351Office #2: 21 Commerce Way, Plymouth, MA 02360Office #3: 175 Centre Street, Pembroke, MA 02359Office #4: 77 Center Street, Middleboro, MA 02346Office #5: 25 Torrey Street, Brockton, MA 02301Office #6: 880 Plain Street, Marshfield, MA 02050Office #7: 9 Summer Street, Hingham, MA 02043

RIA

CRD#: 41791

Abington, MA

Current

August 1, 2025 - Present

SANTANDER SECURITIES LLC

RIA

CRD#: 41791

Abington, 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".

SANTANDER SECURITIES LLC

CRD#: 41791 / SEC#: 801-56796, 8-49571

RIA

Registered Investment Advisory firm - SEC (9/2/1999 Approved)

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.

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

Alabama
(6/23/2026)

Alaska
(6/23/2026)

Arizona
(6/23/2026)

Arkansas
(6/23/2026)

California
(6/23/2026)

Colorado
(6/23/2026)

Connecticut
(6/23/2026)

Delaware
(6/23/2026)

District of Columbia
(6/23/2026)

Florida
(6/23/2026)

Georgia
(6/23/2026)

Hawaii
(6/23/2026)

Idaho
(6/23/2026)

Illinois
(6/23/2026)

Indiana
(6/23/2026)

Iowa
(6/23/2026)

Kansas
(6/23/2026)

Kentucky
(6/23/2026)

Louisiana
(6/23/2026)

Maine
(6/23/2026)

Maryland
(6/23/2026)

Massachusetts
(9/8/2025)

IAR

Massachusetts
(7/9/2026)

Michigan
(6/23/2026)

Minnesota
(6/23/2026)

Mississippi
(6/23/2026)

Missouri
(6/23/2026)

Montana
(6/23/2026)

Nebraska
(6/23/2026)

Nevada
(6/23/2026)

New Hampshire
(6/23/2026)

New Jersey
(6/23/2026)

New Mexico
(6/23/2026)

New York
(6/23/2026)

North Carolina
(6/23/2026)

North Dakota
(6/23/2026)

Ohio
(6/24/2026)

Oklahoma
(6/23/2026)

Oregon
(6/23/2026)

Pennsylvania
(6/23/2026)

Rhode Island
(6/23/2026)

South Carolina
(6/23/2026)

South Dakota
(6/23/2026)

Tennessee
(6/23/2026)

Texas
(6/23/2026)

Utah
(6/23/2026)

Vermont
(6/23/2026)

Virginia
(6/23/2026)

Washington
(6/23/2026)

West Virginia
(6/23/2026)

Wisconsin
(6/23/2026)

Wyoming
(6/23/2026)

Don't see your state listed? The advisor may still be able to work with you under the federal De Minimis Rule, which allows up to five investment advisory clients in a state without registration. Some states, like TX, LA, NE, and NH, may still require registration or notice filing. Contact the advisor or their firm to confirm their investment advisory availability in your state. Note: This rule does not apply to broker-dealer activity.

Exams

What does exam status mean?

State Security Law Exam

IAR

Series 66

Status Unavailable

Passed: 6/24/2026

Uniform Combined State Law Examination

State Security Law Exam

Series 63

Status Unavailable

Passed: 9/4/2025

Uniform Securities Agent State Law Examination

General Industry/Product Exam

Series 7TO

Status Unavailable

Passed: 3/28/2026

General Securities Representative Examination

General Industry/Product Exam

Series 6TO

Status Unavailable

Passed: 8/1/2025

Investment Company Products/Variable Contracts Representative Examination

General Industry/Product Exam

SIE

Status Unavailable

Passed: 6/2/2025

Securities Industry Essentials Examination

SRO Registrations

FINRA

Current Firm

SANTANDER SECURITIES LLC

CRD#: 41791 / SEC#: 801-56796, 8-49571

RIA

Registered Investment Advisory firm - SEC (9/2/1999 Approved)

Broker-Dealer Firm Regulated by FINRA (Boston district office)

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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

449

SEC notice filing (53 States and Territories)

FINRA licenses (53 States and Territories)

Documents

Customer Relationship Summary (CRS / SEC)

Customer Relationship Summary (CRS / FINRA)

Latest Form ADV

Part 2 Brochures

SSLLC FMAX ADVISORY PROGRAM WRAP FEE BROCHURE 4.2026 FINAL (4/17/2026)

Direct owners and executive officers

Name	Position	CRD#
SANTANDER CAPITAL HOLDINGS, LLC	DIRECT OWNER
AGUILA, ALFREDO LUIS	DIRECTOR	4341342
BERMUDEZ VALDES, LUIS JAVIER	DIRECTOR	6352955
BOWLER, DANIEL P	HEAD OF FINANCE & ACCOUNTING	5354805
BROGAN, GREGORY	HEAD OF INVESTMENT OPERATIONS	6694296
CARTER, LAWRENCE ANDREW	CHIEF COMPLIANCE OFFICER	2113682
DE DIEGO, VICTOR	DIRECTOR	8274098
FRANCO-ESPINOSA, ELOINA MARIA	DIRECTOR	8276729
GREGORATTI, NICCOLO	PRESIDENT & CEO	7820683
NEURATH, DUSTIN	DIRECTOR	8044630
PREBLE, MATTHEW T	HEAD OF RETAIL INVESTMENT	6694411
SIMON, BART IVAN	DIRECTOR	8325693

Regulatory assets under management

Total Number of Accounts	11,152
AUM (Assets Under Management)	$ 3,140,983,898

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.

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Advisor Monitoring

Firm Stability Insights

Colin March

Professional summary

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Colin March's CRS (Customer Relationship Summary).

CRS (Client Relationship Summary) - BD

Click below to view Colin March's CRS (Customer Relationship Summary).

Certified licenses

Experience

SANTANDER SECURITIES LLC

Primary Firm SEC Registration

SANTANDER SECURITIES LLC

State Registrations and Notice Filings

Exams

Series 66

Passed: 6/24/2026

Series 63

Passed: 9/4/2025

Series 7TO

Passed: 3/28/2026

Series 6TO

Passed: 8/1/2025

SIE

Passed: 6/2/2025

FINRA

Current Firm

SANTANDER SECURITIES LLC

Contact information

SEC notice filing (53 States and Territories)

FINRA licenses (53 States and Territories)

Documents

Part 2 Brochures

Direct owners and executive officers

Regulatory assets under management

Disclosures

Red Flags

Company Information

SANTANDER SECURITIES LLC

TRUST BUT VERIFY

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