AdvisorCheck - Find and Connect with Top Financial Advisors on Your Terms
Why Advisor Check
GS

Gregg C. Stamler

KESTRA ADVISORY SERVICES
Kings Park, NY 11754
Some features on this profile are disabled
CRD#: 6258885
GS

Professional summary


Gregg C Stamler is a registered financial advisor currently at KESTRA ADVISORY SERVICES, LLC located in Kings Park, New York and KESTRA INVESTMENT SERVICES, LLC located in Kings Park, New York.

Gregg is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2013. Gregg has worked at 2 firms and has passed the Series 63, SIE, Series 7 and Series 6 exams.

top-8-questions

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.
Business Name: GCS Tax Service Investment Related: No Address: 80 East Main St. Kings Park NY 11754 Nature of Business: Tax/Accounting/CPA Position, Title or Relationship: Owner Start Date: 1/10/2014 Hours per month: 11% - 20% (17 - 32 hours) Hours per month during trading hours: 11% - 20% (15 - 28 hours) Duties: I prepare individual income tax returns for approximately 300 clients. Most of my business is performed during the months of January to April.Business Name: Kestra Advisory Services, LLC Investment Related: Yes Address: 5707 Southwest Parkway Building 2, Suite 400 Austin TX 78735 Nature of Business: Investment Advisory services through Kestra Advisory Services, LLC Position, Title or Relationship: Investment Advisor Representative Start Date: 4/4/2016 Hours per month: Up to 100% (0 to 160 hours) Hours per month during trading hours: Up to 100% (0 to 160 hours) Duties: Investment advisory servicesBusiness Name: Main Street Financial Group Investment Related: Yes Address: 80 East Main Street Kings Park NY 11754 Nature of Business: Registered Rep Activities through Kestra Investment Services, LLC using a DBA name; Insurance; Investment Advisory services through Kestra Advisory Services, LLC Position, Title or Relationship: registered rep Start Date: 5/1/2014 Hours per month: 41% - 50% (65 - 80 hours) Hours per month during trading hours: 41% - 50% (57 - 70 hours) Duties: meet with clients. investment research. paperwork. and marketingBusiness Name: NY City Fire Department Investment Related: No Address: 9 MetroTech Center Brooklyn NY 11201 Nature of Business: Other Other/None of the Above Fire Fighting Position, Title or Relationship: Battalion Cheif Start Date: 5/8/1993 Hours per month: 91% - 100% (145 - 160 hours) Hours per month during trading hours: 51% - 60% (71 - 84 hours) Duties: Supervision of Fire House

Blog Corner


CRS (Client Relationship Summary) - RIA


Click below to view Gregg C Stamler'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

June 22, 2021 - Present

KESTRA ADVISORY SERVICES, LLC

Office #1: 80 East Main St., Kings Park, NY 11754
RIA
CRD#: 283330
Kings Park, NY
Current

November 21, 2013 - Present

KESTRA INVESTMENT SERVICES, LLC

Office #1: 80 East Main St, Kings Park, NY 11754
BD
CRD#: 42046
Kings Park, 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".
KA
KESTRA ADVISORY SERVICES, LLC
KESTRA ADVISORY SERVICES, LLC | NFP ADVISOR SERVICES LLC

CRD#: 283330 / SEC#: 801-56126

RIA
Registered Investment Advisory firm - (12/31/1998 Approved)

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
Florida
(8/13/2024)
RR
Illinois
(6/10/2020)
RR
New Hampshire
(11/2/2016)
RR
New Jersey
(6/4/2025)
RR
New York
(1/6/2014)
IAR
New York
(6/22/2021)
RR
Texas
(10/27/2023)
IAR
Texas
(10/30/2023)

Exams


State Security Law Exam
RR
Series 63
Date: 12/19/2013
Uniform Securities Agent State Law Examination
General Industry/Product Exam
General Industry/Product Exam
General Industry/Product Exam
SRO Registrations
RR
FINRA

Current Firm


KA
KESTRA ADVISORY SERVICES, LLC
KESTRA ADVISORY SERVICES, LLC | NFP ADVISOR SERVICES LLC

CRD#: 283330 / SEC#: 801-56126

RIA
Registered Investment Advisory firm - (12/31/1998 Approved)
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
5707 Southwest Parkway Building 2, Suite 400, Austin, TX 78735
Mailing Address
Phone number
(844) 553-7872
Established
Firm type
Fiscal year end
# of Employees
1,299

SEC notice filing (53 States and Territories)


Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents


Customer Relationship Summary (CRS / SEC)Latest Form ADV

Part 2 Brochures

KESTRA ADVISORY SERVICES, LLC BROCHURE (RETAIL CLIENTS) (10/21/2025)

Regulatory assets under management


Total Number of Accounts155,482
AUM (Assets Under Management)$ 60,174,309,829

Accountant surprise examination report


Filing DateForm ADV-E CoverForm ADV-E Report
12/23/2024
Cover Page
10/20/2023
12/21/2022

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


KESTRA ADVISORY SERVICES, LLC

CRD#: 283330Kings Park, NY 11754

TRUST BUT VERIFY

Monitor Gregg Stamler

Get automatic monthly alerts on:
Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates

Similar Advisors


Randy Brickman
Randy BrickmanAdvisorCheck Check Mark
PARK AVENUE SECURITIES LLC
IAR
RR
NORTH WOODMERE, NY
Philip David Meese
Philip MeeseAdvisorCheck Check Mark
AE WEALTH MANAGEMENT, LLC
IAR
Darien, CT
footer-logo

AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.
© 2025 AdvisorCheck, an AIMR Analytics company.
All rights reserved.
Powered ByAIRM Analytics