Keith P. Mayer

SANTANDER SECURITIES LLC

Melrose, MA 02176

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CRD#: 2335301

Professional summary

Keith Paul Mayer, who also goes by Keith Paul Mayer, Keith P Mayer, is a registered financial advisor currently at SANTANDER SECURITIES LLC located in Melrose, Massachusetts.

Keith is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1993. Keith has worked at 9 firms and has passed the Series 66, Series 65, Series 63, SIE, Series 7, Series 3 and Series 8 exams.

Question & Answer

Are you a "fiduciary"?

Yes

Aliases

Keith Paul Mayer | Keith P Mayer

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 Keith Paul Mayer's CRS (Customer Relationship Summary).

CRS (Customer Relationship Summary)

CRS (Client Relationship Summary) - BD

Click below to view Keith Paul Mayer'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

February 6, 2019 - Present

SANTANDER SECURITIES LLC

Office #1: 492 Main Street, Melrose, MA 02176Office #2: 228 Main Street, Reading, MA 01867Office #3: 7 Church Street, Winchester, MA 01890Office #4: 2a Elm Street, Woburn, MA 01801Office #5: 35 Leonard Street, Belmont, MA 02478Office #6: 20 Beale Street, Wollaston, MA 02170Office #7: 1 Beacon Street, Boston, MA 02108Office #8: 552 Commonwealth Avenue, Boston, MA 02215Office #9: 885 Boylston Street, Boston, MA 02116Office #10: 61 Harrison Avenue, Boston, MA 02111Office #11: 2 Meridian Street, East Boston, MA 02128Office #12: 459 Broadway, Everett, MA 02149Office #13: 437 Rutherford Avenue, Boston, MA 02129Office #14: 330 Broadway, Revere, MA 02151Office #15: 148 Everett Avenue, Chelsea, MA 02150Office #16: 35 Market Square, Lynn, MA 01905Office #17: 1150 Hancock Street, Quincy, MA 02169Office #18: 1442 Dorchester Avenue, Dorchester, MA 02122Office #19: 301 North Main Street, Randolph, MA 02368Office #20: 780 Gallivan Boulevard, Dorchester, MA 02122Office #21: 75 State Street, Boston, MA 02109Office #22: 75 State Street, Boston, MA 02109Office #23: 3060 Washington Street, Boston, MA 02119Office #24: 860 River Street, Boston, MA 02136Office #25: 330 Martin Luther King Boulevard, Suite 45, Roxbury, MA 02119Office #26: 1663 Blue Hill Avenue, Mattapan, MA 02126Office #27: 474 West Broadway, South Boston, MA 02127Office #28: 2189 Washington Street, Roxbury, MA 02119Office #29: 125 Causeway Street, Boston, MA 02114Office #30: 599 Massachusetts Avenue, Cambridge, MA 02139Office #31: 125 Broadway, Somerville, MA 02145Office #32: 403 Highland Avenue, Somerville, MA 02144Office #33: 1294 Massachusetts Avenue, Cambridge, MA 02138Office #34: 561 Adams Street, East Milton, MA 02186Office #35: 500 Main Street, Wakefield, MA 01880

RIA

CRD#: 41791

Melrose, MA

Current

January 31, 2019 - Present

SANTANDER SECURITIES LLC

RIA

CRD#: 41791

Melrose, MA

Past

May 27, 2016 - December 6, 2018

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

RIA

CRD#: 7691

WELLESLEY HILLS, MA

Past

April 15, 2016 - December 6, 2018

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

CRD#: 7691

WELLESLEY HILLS, MA

Past

May 13, 2009 - May 17, 2011

THE BENCHMARK COMPANY, LLC

CRD#: 22982

BOSTON, MA

Past

February 24, 2006 - March 30, 2009

STANFORD GROUP COMPANY

CRD#: 39285

BOSTON, MA

Past

May 3, 2004 - August 18, 2005

WELLS FARGO SECURITIES, LLC

CRD#: 7665

SAN FRANCISCO, CA

Past

April 29, 2002 - February 5, 2004

RYAN BECK & CO.

CRD#: 3248

FLORHAM PARK, NJ

Past

June 15, 2001 - May 13, 2002

GRUNTAL & CO., L.L.C.

CRD#: 372

NEW YORK, NY

Past

January 13, 1997 - May 3, 2001

GLEACHER & COMPANY SECURITIES, INC.

CRD#: 298

NEW YORK, NY

Past

April 30, 1993 - January 4, 1997

PRUDENTIAL EQUITY GROUP, LLC

CRD#: 7471

NEW YORK, NY

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

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)

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
(5/18/2023)

Alaska
(5/18/2023)

Arizona
(5/18/2023)

Arkansas
(5/18/2023)

California
(5/18/2023)

Colorado
(5/18/2023)

Connecticut
(5/18/2023)

Delaware
(5/18/2023)

District of Columbia
(5/18/2023)

Florida
(5/15/2019)

Georgia
(5/28/2020)

Hawaii
(5/18/2023)

Idaho
(5/18/2023)

Illinois
(5/18/2023)

Indiana
(5/18/2023)

Iowa
(5/18/2023)

Kansas
(5/18/2023)

Kentucky
(5/18/2023)

Louisiana
(5/18/2023)

Maine
(8/13/2019)

Maryland
(5/18/2023)

Massachusetts
(1/31/2019)

IAR

Massachusetts
(2/6/2019)

Michigan
(5/18/2023)

Minnesota
(5/18/2023)

Mississippi
(5/18/2023)

Missouri
(5/18/2023)

Montana
(5/18/2023)

Nebraska
(5/18/2023)

Nevada
(7/7/2025)

New Hampshire
(5/15/2019)

New Jersey
(5/18/2023)

New Mexico
(5/18/2023)

New York
(5/18/2023)

North Carolina
(5/18/2023)

North Dakota
(5/18/2023)

Ohio
(5/18/2023)

Oklahoma
(5/18/2023)

Oregon
(5/18/2023)

Pennsylvania
(5/18/2023)

Rhode Island
(5/15/2019)

South Carolina
(5/18/2023)

South Dakota
(5/18/2023)

Tennessee
(7/7/2025)

Texas
(5/18/2023)

Utah
(5/18/2023)

Vermont
(5/18/2023)

Virginia
(5/18/2023)

Washington
(5/18/2023)

West Virginia
(5/18/2023)

Wisconsin
(5/18/2023)

Wyoming
(5/18/2023)

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

State Security Law Exam

IAR

Series 66

Date: 5/26/2016

Uniform Combined State Law Examination

State Security Law Exam

IAR

Series 65

Date: 5/11/1993

Uniform Investment Adviser Law Examination

State Security Law Exam

Series 63

Date: 4/30/1993

Uniform Securities Agent State Law Examination

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 7

Date: 4/15/2016

General Securities Representative Examination

General Industry/Product Exam

Series 3

Date: 11/7/1995

National Commodity Futures Examination

Principal/Supervisory Exam

Series 8

Date: 9/21/1995

General Securities Sales Supervisor Examination (Options Module & General Module)

SRO Registrations

FINRA

Current Firm

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)

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

440

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 11.2025 (11/5/2025)

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.

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Advisor Monitoring

Firm Stability Insights

Keith P. Mayer

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - RIA

Click below to view Keith Paul Mayer's CRS (Customer Relationship Summary).

CRS (Client Relationship Summary) - BD

Click below to view Keith Paul Mayer's CRS (Customer Relationship Summary).

Certified licenses

Experience

SANTANDER SECURITIES LLC

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

THE BENCHMARK COMPANY, LLC

STANFORD GROUP COMPANY

WELLS FARGO SECURITIES, LLC

RYAN BECK & CO.

GRUNTAL & CO., L.L.C.

GLEACHER & COMPANY SECURITIES, INC.

PRUDENTIAL EQUITY GROUP, LLC

Primary Firm SEC Registration

SANTANDER SECURITIES LLC

State Registrations and Notice Filings

Exams

Series 66

Date: 5/26/2016

Series 65

Date: 5/11/1993

Series 63

Date: 4/30/1993

SIE

Date: 10/1/2018

Series 7

Date: 4/15/2016

Series 3

Date: 11/7/1995

Series 8

Date: 9/21/1995

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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